Tasnim Islam, D.O
Internal Medicine Physician · San Antonio, TX
Tasnim Islam, D.O is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1942733662, issued on Apr 10, 2017. Check the license (Texas S5665, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tasnim Islam
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- S5665 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12446 West Ave Ste 102, San Antonio, TX 78216
- Phone
- (210) 525-1668
- Enumerated
- Apr 10, 2017
- Record last updated
- Jun 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (210) 525-1669
- Medicare enrollment
- Enrolled (PECOS I20200701001334); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Tasnim Islam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S5665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Healthtexas Provider NetworkFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tasnim Islam among 9,175 internal medicine physician records in Texas
Tasnim Islam, D.O is one of 9,175 internal 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 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2004 among the 6,088 with a school on file
- Record last updated2020 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leslee Ball-Scovel, MDSan Antonio, TX 782161790759371
- Reid Hartson, MDSan Antonio, TX 782161063528263
- Roseann Miller, MDSan Antonio, TX 782161285646141
- Dennis Murphree, MDSan Antonio, TX 782161174520894
- Kwame Obeng, M.D.San Antonio, TX 782161851320402
- Anthony Oliva, MDSan Antonio, TX 782161467569822
- Lino Ramos, MDSan Antonio, TX 782161851332415
- Shankar Sanka, M.D.San Antonio, TX 782161851395495
Common questions
What is Tasnim Islam, D.O's NPI number?
Tasnim Islam, D.O's National Provider Identifier (NPI) is 1942733662, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tasnim Islam, D.O located?
The NPPES record lists a practice address at 12446 West Ave Ste 102, San Antonio, TX, 78216. Phone: (210) 525-1668. Providers update this record themselves, so call before visiting.
How can I verify Tasnim Islam, D.O's license?
NPPES lists Texas license number S5665, 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.
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.