MAGGIE GIAMBALVO PA
NPI 1023647989
Physician Assistant in Stamford, CT
NPI Status: Active since April 03, 2020
Contact Information
1177 SUMMER ST FL 5
STAMFORD, CT
ZIP 06905
Phone: (203) 353-1133
Fax: (203) 653-3398
- Individual
- Female
- Physician Assistant
- PECOS Enrolled
About MAGGIE GIAMBALVO
This page provides the complete NPI Profile along with additional information for Maggie Giambalvo, a primary care provider established in Stamford, Connecticut with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1023647989 assigned on April 2020. The practitioner's primary taxonomy code is 363A00000X with license number 5067 (CT). The provider is registered as an individual and her NPI record was last updated 4 years ago. The organization operates as a single speciality business group with one or more individual providers who practice the same area of specialization.
- NPI
- 1023647989
- Provider Name
- MAGGIE GIAMBALVO PA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1177 SUMMER ST FL 5 STAMFORD, CT 06905
- Location Phone
- (203) 353-1133
- Location Fax
- (203) 653-3398
- Mailing Address
- 752 TOWNE HOUSE RD FAIRFIELD, CT 06824
- Mailing Phone
- (203) 581-0939
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-03-2020
- Last Update Date
- 02-09-2021
- Code Navigator
A primary care provider (PCP) like Maggie Giambalvo sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
Physician Assistant
- Taxonomy Code
- 363A00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 5067
- License State
- CT
- Taxonomy Description
- A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
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) |
|---|---|---|---|---|
| 1 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
Medicare Participation & PECOS Enrollment Status
Maggie Giambalvo 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
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
Physician Visit Costs
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 06905 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $93.86
- Minimum New Patient Price $60.82
- Maximum New Patient Price $183.1
- Average New Patient Copayment $23.46
- Minimum New Patient Copayment $15.2
- Maximum New Patient Copayment $45.77
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $75.55
- Minimum Established Patient Price $19.76
- Maximum Established Patient Price $149.26
- Average Established Patient Copayment $18.88
- Minimum Established Patient Copayment $4.94
- Maximum Established Patient Copayment $37.31
* 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.
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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. | |||||||||
| 1 | 0 | 2 | 3 | 6 | 4 | 7 | 9 | 8 | 9 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 0 | 4 | 3 | 12 | 4 | 14 | 9 | 16 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 0 + 4 + 3 + 1 + 2 + 4 + 1 + 4 + 9 + 1 + 6 + 24 = 61 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 61 = 9 | 9 | ||||||||
The NPI number 1023647989 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 5 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1437177896 | DR. MARTIN KRAUTHAMER MD Individual | Internal Medicine (Cardiovascular Disease) | 1177 SUMMER ST FL 5 STAMFORD, CT 06905 (740) 503-1617 |
| 1548899966 | JEFFRY MICHAEL VELKY PA-C Individual | Physician Assistant | 1177 SUMMER ST FL 5 STAMFORD, CT 06905 (203) 353-1133 |
| 1093810590 | EDWARD PORTNAY M.D. Individual | Internal Medicine (Interventional Cardiology) | 1177 SUMMER ST FL 5 STAMFORD, CT 06905 (203) 353-1133 |
| 1982380358 | SRIVALLI ISUKAPALLI PA-C Individual | Physician Assistant | 1177 SUMMER ST FL 5 STAMFORD, CT 06905 (203) 353-1133 |
| 1962169342 | COURTNEY ANNE ESTEVES APRN Individual | Nurse Practitioner (Adult Health) | 1177 SUMMER ST FL 5 STAMFORD, CT 06905 (203) 353-1133 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023647989, enumerated in the NPI registry as an "individual" on April 03, 2020
The provider is located at 1177 Summer St Fl 5 Stamford, Ct 06905 and the phone number is (203) 353-1133
The provider's speciality is Physician Assistant with taxonomy code 363A00000X
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 $93.86 with an average copayment of $23.46 for new patient appointments. Established patients should expect a typical charge of $75.55 and an average copayment of 18.88. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on April 03, 2020. 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.