EARL MAGNUS ARMSTRONG MD
NPI 1205944428
Internal Medicine - Pulmonary Disease in Washington, DC

NPI Status: Active since August 28, 2006

Contact Information

1160 VARNUM ST NE
#214
WASHINGTON, DC
ZIP 20017
Phone: (202) 526-5491
Fax: (202) 526-5434

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  • Individual
  • Male
  • Years of Experience 53
  • Internal Medicine
  • Pulmonary Disease
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About EARL ARMSTRONG

This page provides the complete NPI Profile along with additional information for Earl Armstrong, an internist established in Washington, District Of Columbia with a medical specialization in Internal Medicine, focusing in pulmonary disease and more than 53 years of experience. He graduated from University Of Chicago, Pritzker School Of Medicine in 1973. The healthcare provider is registered in the NPI registry with number 1205944428 assigned on August 2006. The practitioner's primary taxonomy code is 207RP1001X with license number MD11217 (DC). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1205944428
Provider Name
EARL MAGNUS ARMSTRONG MD
Gender
Male
Entity Type
Individual
Location Address
1160 VARNUM ST NE #214 WASHINGTON, DC 20017
Location Phone
(202) 526-5491
Location Fax
(202) 526-5434
Mailing Address
1160 VARNUM ST NE #214 WASHINGTON, DC 20017
Mailing Phone
(202) 526-5491
Mailing Fax
(202) 526-5434
Medical School Name
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduation Year
1973
Is Sole Proprietor?
No
Enumeration Date
08-28-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Earl Armstrong is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
License No.
MD11217
License State
DC
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

D19993 (MD)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
C62145MEDICARE UPIN (02) 
AA163921MEDICARE ID-TYPE UNSPECIFIED (04) 

Medicare Participation & PECOS Enrollment Status

Earl Armstrong is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Earl Armstrong is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3476680075

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20100429000595

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Oxygen and Supplies (DC000N)

    Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:E0431)

    3 DME suppliers used 30 Medicare Claims 30 Services Paid

  • DME-Other DME (DE000N)

    Nebulizer, with compressor (HCPCS:E0570)

    2 DME suppliers used 15 Medicare Claims 15 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    5 DME suppliers used 87 Medicare Claims 87 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Portable oxygen concentrator, rental (HCPCS:E1392)

    2 DME suppliers used 53 Medicare Claims 53 Services Paid

  • DME-Other DME (DE000N)

    Pharmacy dispensing fee for inhalation drug(s); per 30 days (HCPCS:Q0513)

    10 DME suppliers used 48 Medicare Claims 48 Services Paid

Drugs Administered Through DME

  • DME-Drugs Administered Through DME (DG006N)

    Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg (HCPCS:J7613)

    5 DME suppliers used 27 Medicare Claims 3415 Services Paid

  • DME-Drugs Administered Through DME (DG006N)

    Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme (HCPCS:J7620)

    6 DME suppliers used 33 Medicare Claims 2940 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 12 times for 11 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 251 times for 114 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 39 times for 22 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 13 times for 13 patients

Test for exercise-induced lung stress

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

This service was performed 57 times for 51 patients

Test to determine lung volumes using sensors

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

This service was performed 20 times for 20 patients

Test to examine how well the lungs exchange gases

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

This service was performed 22 times for 21 patients

Test to measure expiratory airflow and volume

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

This service was performed 20 times for 19 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $36.96 for a new patient copayment and $28.43 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 20017 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $147.85
  • Minimum New Patient Price $65.18
  • Maximum New Patient Price $194.86
  • Average New Patient Copayment $36.96
  • Minimum New Patient Copayment $16.29
  • Maximum New Patient Copayment $48.71

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $113.72
  • Minimum Established Patient Price $21.4
  • Maximum Established Patient Price $158.88
  • Average Established Patient Copayment $28.43
  • Minimum Established Patient Copayment $5.35
  • Maximum Established Patient Copayment $39.72

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
e-Prescribing 73% 1906
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
Medication Reconciliation 96% 27
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
Provide Patient Access 34% 404
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold certain information.
Security Risk AnalysisYesN/A
Conduct or review a security risk analysis in accordance with the requirements in 45 CFR 164.308(a)(1), including addressing the security (to include encryption) of ePHI data created or maintained by certified EHR technology in accordance with requirements in 45 CFR164.312(a)(2)(iv) and 45 CFR 164.306(d)(3), and implement security updates as necessary and correct identified security deficiencies as part of the MIPS eligible clinician's risk management process.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1205944428
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2205184844
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 2 + 0 + 5 + 1 + 8 + 4 + 8 + 4 + 4 + 24 = 62
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 62 = 88

The NPI number 1205944428 is valid because the calculated check digit 8 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 20 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1619975349 EDWARD ANTHONY RANKIN M.D.
Individual
Orthopaedic Surgery1160 VARNUM ST NE 312
WASHINGTON, DC 20017
(202) 526-7031
1497757124RANKIN ORTHOPAEDIC & SPORTS MEDICINE CENTER
Organization
Orthopaedic Surgery1160 VARNUM ST NE SUITE 312
WASHINGTON, DC 20017
(202) 526-7031
1245224369DR. WILLIAM JAMES BROWNLEE III M.D.
Individual
Surgery1160 VARNUM ST NE SUITE 300-B
WASHINGTON, DC 20017
(202) 526-0200
1407841448 JOSEPH A QUASH SR. M.D.
Individual
Internal Medicine (Cardiovascular Disease)1160 VARNUM ST NE #100
WASHINGTON, DC 20017
(202) 832-1800
1740277748DR. TAHMOURES DEHESH M.D.
Individual
Internal Medicine (Gastroenterology)1160 VARNUM ST NE #218
WASHINGTON, DC 20017
(202) 526-2800
1518957307 MARIBEL YAP MAMONLUK-CHUA MD
Individual
Allergy & Immunology1160 VARNUM ST NE SUITE008
WASHINGTON, DC 20017
(202) 526-3897
1861474975 FERDINAND PHILIP CHUA MD
Individual
Internal Medicine1160 VARNUM ST NE SUITE 008
WASHINGTON, DC 20017
(202) 526-3897
1427020650 SETH A MORGAN MD
Individual
Psychiatry & Neurology (Neurology)1160 VARNUM ST NE SUITE 204
WASHINGTON, DC 20017
(301) 562-7200
1134180128 STUART LAWRENCE HORWITZ MD
Individual
Internal Medicine (Gastroenterology)1160 VARNUM ST NE 311
WASHINGTON, DC 20017
(202) 832-2880
1942261706GASTROINTESTINAL ASSOCIATES, PC
Organization
Internal Medicine (Gastroenterology)1160 VARNUM ST NE 311
WASHINGTON, DC 20017
(202) 832-2880
1225072994DR. DENIA TAPSCOTT M.D.
Individual
Internal Medicine1160 VARNUM ST NE SUITE 317
WASHINGTON, DC 20017
(202) 529-1961
1568498632 MARIA FAROOQI MD
Individual
Family Medicine (Geriatric Medicine)1160 VARNUM ST NE
WASHINGTON, DC 20017
(202) 269-7785
1558399527 SCHOLASTIC WHITE NP
Individual
Nurse Practitioner (Gerontology)1160 VARNUM ST NE
WASHINGTON, DC 20017
(202) 269-7785
1649201922 JAMES HOWARD MINTZER DPM PC
Individual
Podiatrist (Foot Surgery)1160 VARNUM ST NE 012
WASHINGTON, DC 20017
(202) 269-4062
1881626141DR. SHARYN S HORWITZ MD
Individual
Internal Medicine (Geriatric Medicine)1160 VARNUM ST NE #311
WASHINGTON, DC 20017
(240) 351-8962
1639195407DR. BERNICE D. JACKSON M.D.
Individual
Internal Medicine (Cardiovascular Disease)1160 VARNUM ST NE SUITE 314
WASHINGTON, DC 20017
(202) 269-9249
1780695973PULMONARY CRITICAL CARE ASSOCIATES, PC
Organization
Internal Medicine (Pulmonary Disease)1160 VARNUM ST NE SUITE 214
WASHINGTON, DC 20017
(202) 526-5491
1982718383DR. GILBERTO A VERA M.D.
Individual
Internal Medicine (Nephrology)1160 VARNUM ST NE SUITE 16
WASHINGTON, DC 20017
(202) 526-8833
1578656385METROPOLITAN REHABILITATION MEDICINE PC
Organization
Clinic/Center (Rehabilitation)1160 VARNUM ST NE SUITE 1008
WASHINGTON, DC 20017
(202) 526-0099
1568545937 CEDRIC POKU-DANKWAH MD
Individual
Family Medicine1160 VARNUM ST NE SUITE 217
WASHINGTON, DC 20017
(202) 529-6147

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205944428, enumerated in the NPI registry as an "individual" on August 28, 2006

The provider is located at 1160 Varnum St Ne #214 Washington, Dc 20017 and the phone number is (202) 526-5491

The provider's speciality is Internal Medicine with taxonomy code 207RP1001X with a focus in Pulmonary Disease

The provider has more than 53 years of experience. He graduated from University Of Chicago, Pritzker School Of Medicine in 1973.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

Medicare beneficiaries should expect a typical cost of $147.85 with an average copayment of $36.96 for new patient appointments. Established patients should expect a typical charge of $113.72 and an average copayment of 28.43. Please review your insurance plan or contact the provider directly to determine your specific costs.

The most common procedures or services performed by this practitioner are: Established patient office or other outpatient visit, 20-29 minutes, Established patient office or other outpatient visit, 30-39 minutes, Follow-up hospital inpatient care per day, typically 25 minutes, Initial hospital inpatient care per day, typically 50 minutes, Test for exercise-induced lung stress, Test to determine lung volumes using sensors, Test to examine how well the lungs exchange gases and Test to measure expiratory airflow and volume.

This NPI record was last updated on August 28, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.