Unnam Nasir, M.D.
Family Medicine Physician · Harlingen, TX
Unnam Nasir, M.D. is a family medicine physician with a practice address in Harlingen, Texas, and NPI 1053774695, issued on Mar 31, 2016. Check the license (Texas S3428, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Unnam Nasir
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- S3428 TX
Self-reported in NPPES; status is on the state search - Practice location
- 222 E Van Buren Ave Ste 506, Harlingen, TX 78550
- Phone
- (956) 242-4452
- Enumerated
- Mar 31, 2016
- Record last updated
- Nov 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20200929000401); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2016
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify Unnam Nasir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S3428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
50 Medicare Part D claims for 36 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Emergency Medicine Services OF TX, PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Unnam Nasir among 11,119 family medicine physician records in Texas
Unnam Nasir, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2004 among the 7,095 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 family medicine physician records list a practice address in Harlingen
They are 68 of the 2,419 NPPES records with a practice address in Harlingen, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Harlingen → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ricardo Alaniz, MDHarlingen, TX 785501477549533
- Raquel Bolado, D.O.Harlingen, TX 785501679567713
- Timothy Bothwell, M.D.Harlingen, TX 785501780680850
- Robert Holder, MDHarlingen, TX 785501588648075
- Thomas Huff, DOHarlingen, TX 785501780676858
- Ann Kanaan, D.O.Harlingen, TX 785501972500510
- Bruce Leibert, M.D.Harlingen, TX 785501386639672
- Juan Maldonado, MDHarlingen, TX 785501114901626
Common questions
What is Unnam Nasir, M.D.'s NPI number?
Unnam Nasir, M.D.'s National Provider Identifier (NPI) is 1053774695, issued on Mar 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Unnam Nasir, M.D. located?
The NPPES record lists a practice address at 222 E Van Buren Ave Ste 506, Harlingen, TX, 78550. Phone: (956) 242-4452. Providers update this record themselves, so call before visiting.
How can I verify Unnam Nasir, M.D.'s license?
NPPES lists Texas license number S3428, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Unnam Nasir, M.D. prescribe under Medicare Part D?
In 2024, Unnam Nasir, M.D. had 50 Medicare Part D claims for 36 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.