TASNIM ISLAM D.O
NPI 1942733662
Internal Medicine in San Antonio, TX
About Tasnim Islam D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TASNIM ISLAM D.O (NPI 1942733662) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (S5665) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White All Saints Medical Center Fort Worth, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2017).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tasnim Islam D.o is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Tasnim Islam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78216
- Reassigned Medicare billing, Texas enrollment
- 61 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 2,397 clinicians in this Medicare group
Lakeway, TX 78738
- Reassigned Medicare billing, Texas enrollment
- 3,167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor Scott & White All Saints Medical Center Fort Worth
Acute Care Hospitals · Fort Worth, TXBaylor Scott & White Medical Center Plano
Acute Care Hospitals · Plano, TXBaylor Scott & White The Heart Hospital - Plano
Acute Care Hospitals · Plano, TXBaylor Emergency Medical Center At Aubrey
Acute Care Hospitals · Aubrey, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78216 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tasnim Islam's NPI number?
The NPI number for Tasnim Islam is 1942733662. It was assigned to this individual provider in the NPPES registry on April 10, 2017.
Where is Tasnim Islam located?
Tasnim Islam practices at 12446 West Ave Ste 102, San Antonio, TX 78216. The listed phone number is (210) 525-1668.
What is Tasnim Islam's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tasnim Islam enrolled in Medicare?
Yes. Tasnim Islam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tasnim Islam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tasnim Islam reassigns Medicare benefits to 3 organizations: Complete Care Medical Associates (San Antonio, TX), The University Of Texas Health Science Center At San Antonio (San Antonio, TX) and Healthtexas Provider Network (Lakeway, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tasnim Islam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tasnim Islam accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list Tasnim Islam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tasnim Islam affiliated with any hospitals?
According to CMS data, Tasnim Islam is affiliated with Baylor Scott & White All Saints Medical Center Fort Worth, Baylor Scott & White Medical Center Plano, Baylor Scott & White The Heart Hospital - Plano and Baylor Emergency Medical Center At Aubrey.
When was this NPI record last updated?
The NPPES record for Tasnim Islam was last updated on June 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tasnim Islam, D.O · NPI 1942733662
Internal Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since April 10, 2017.
## Identity
- **NPI:** 1942733662 (Entity type: Individual)
- **Enumerated:** April 10, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** S5665 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 12446 WEST AVE STE 102, San Antonio, TX 78216-2530
- **Phone:** (210) 525-1668 · **Fax:** (210) 525-1669
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Complete Care Medical Associates (NPI 1609350024, San Antonio, TX); The University Of Texas Health Science Center At San Antonio (NPI 1326829904, San Antonio, TX); Healthtexas Provider Network (NPI 1104714583, Lakeway, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Texas Hsc, College Of Osteopathic Med, class of 2017
## Record status
- **NPPES last updated:** June 26, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1942733662) · Data from the CMS NPPES public registry.