DR. NICHOLAS ALEXANDER MD
NPI 1639871221
Student in an Organized Health Care Education/Training Program in Nashville, TN
NPI Status: Active since March 20, 2023
Contact Information
2300 PATTERSON ST
NASHVILLE, TN
ZIP 37203
Phone: (615) 342-3966
- Individual
- Male
- Student in an Organized Health Care Educ...
- PECOS Enrolled
About NICHOLAS ALEXANDER
This page provides the complete NPI Profile along with additional information for Nicholas Alexander, a primary care provider established in Nashville, Tennessee with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1639871221 assigned on March 2023. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated 2 years ago.
- NPI
- 1639871221
- Provider Name
- DR. NICHOLAS ALEXANDER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2300 PATTERSON ST NASHVILLE, TN 37203
- Location Phone
- (615) 342-3966
- Mailing Address
- 2300 PATTERSON ST NASHVILLE, TN 37203
- Mailing Phone
- (615) 342-3966
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-20-2023
- Last Update Date
- 03-20-2023
- Code Navigator
A primary care provider (PCP) like Nicholas Alexander 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
Student in an Organized Health Care Education/Training Program
- Taxonomy Code
- 390200000X
- Type
- Student, Health Care
- Taxonomy Description
- An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Medicare Participation & PECOS Enrollment Status
Nicholas Alexander 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
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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 | 6 | 3 | 9 | 8 | 7 | 1 | 2 | 2 | 1 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 6 | 6 | 9 | 16 | 7 | 2 | 2 | 4 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 6 + 6 + 9 + 1 + 6 + 7 + 2 + 2 + 4 + 24 = 69 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 69 = 1 | 1 | ||||||||
The NPI number 1639871221 is valid because the calculated check digit 1 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 |
|---|---|---|---|
| 1710983119 | NATALIE P KITTRELL PHARM.D. Individual | Pharmacist (Pharmacotherapy) | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-4746 |
| 1063498871 | DR. FRANK B GLASCOCK MD Individual | Radiology (Diagnostic Radiology) | 2300 PATTERSON ST CENTENNIAL MEDICAL CENTER NASHVILLE, TN 37203 (615) 342-1071 |
| 1891749891 | HCA HEALTH SERVICES OF TENNESSEE, INC. Organization | Rehabilitation Unit | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1710934989 | ERIN MICHELLE TINCHER PA-C Individual | Physician Assistant | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1447207618 | LAWRENCE JOSEPH VALDEZ M.D. Individual | Emergency Medicine | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1124065362 | MARK T. BYRAM M.D. Individual | Emergency Medicine | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1932146032 | HCA HEALTH SERVICES OF TENNESSEE, INC. Organization | General Acute Care Hospital | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1841237948 | HCA HEALTH SERVICES OF TENNESSEE, INC. Organization | General Acute Care Hospital | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1750328852 | HCA HEALTH SERVICES OF TENNESSEE, INC. Organization | Psychiatric Unit | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1750322343 | TERRY WAYNE CAIN M.D. Individual | Emergency Medicine | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1275573974 | GARY DUANE SINGER D.O. Individual | Emergency Medicine | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1831130194 | WANDA E. JOHNSON PA-C Individual | Physician Assistant | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1124033568 | MID TENNESSEE NEONATOLOGY ASSOCIATES PC Organization | Pediatrics (Neonatal-Perinatal Medicine) | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-4660 |
| 1245247741 | DR. DELINDA L. PEARSON M.D. Individual | Pediatrics (Neonatal-Perinatal Medicine) | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-4660 |
| 1427066885 | DR. ERIC SCOTT PALMER M.D. Individual | Pediatrics (Neonatal-Perinatal Medicine) | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-4660 |
| 1982781753 | DR. STEVEN L STROUP MD Individual | Specialist | 2300 PATTERSON ST RADIATION ONCOLOGY NASHVILLE, TN 37203 (615) 342-4850 |
| 1942373667 | MRS. AMANDA MICHELLE SHARBER P.A.-C Individual | Physician Assistant | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1505 |
| 1578765947 | HCA HEALTH SERVICES OF TENNESSEE, INC. Organization | Clinic/Center (End-Stage Renal Disease (ESRD) Treatment) | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-1000 |
| 1205039161 | DR. EMILY WALLIS PHARM.D. Individual | Pharmacist | 2300 PATTERSON ST NASHVILLE, TN 37203 (615) 342-4750 |
| 1669668356 | MRS. PATRICIA ANN SCOTT MSN, RNC, APN - NNP Individual | Nurse Practitioner (Neonatal) | 2300 PATTERSON ST MID-TENNESSEE NEONATOLOGY ASSOCIATES NASHVILLE, TN 37203 (615) 342-4660 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639871221, enumerated in the NPI registry as an "individual" on March 20, 2023
The provider is located at 2300 Patterson St Nashville, Tn 37203 and the phone number is (615) 342-3966
The provider's speciality is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X
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.
This NPI record was last updated on March 20, 2023. 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].
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