Sayf Yassin, M.D.
Internal Medicine Physician · Round Rock, TX
Sayf Yassin, M.D. is an internal medicine physician with a practice address in Round Rock, Texas, and NPI 1043605371, issued on Apr 2, 2015. Check the license (Texas R8293, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sayf Yassin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- R8293 TX
66293 TN
Self-reported in NPPES; status is on the state search - Practice location
- 201 Seton Pkwy, Round Rock, TX 78665
- Phone
- (512) 324-4170
- Enumerated
- Apr 2, 2015
- Record last updated
- Feb 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20181017000479); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 201 Seton Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Blake, MS, ACNP-BCAcute Care Nurse Practitioner1598073835
Verify Sayf Yassin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R8293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
528 Medicare Part D claims for 203 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Pantoprazole Sodium56 claims
- Amoxicillin-Clavulanate Potass28 claims
- Furosemide24 claims
- Potassium Chloride22 claims
- Atorvastatin Calcium20 claims
- Prednisone17 claims
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 2 group practices
- Hcc OF Laredo LLCLaredo, TX
- Usacs Integrated Acute Care Services OF Texas, PLLCLuling, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sayf Yassin among 9,175 internal medicine physician records in Texas
Sayf Yassin, M.D. 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 2015, is newer than 71% of them.
- NPI issued2015 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 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).
63 internal medicine physician records list a practice address in Round Rock
They are 63 of the 3,815 NPPES records with a practice address in Round Rock, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Round Rock → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ashraf Anani, M.D.Round Rock, TX 786651629041710
- Brian Anderson, D.O.Round Rock, TX 786651598886954
- Kendall Britt, M.D.Round Rock, TX 786651932138567
- Satya Sree Chalasani, M.D.Round Rock, TX 786651346408325
- Nilanjana Dasgupta, M.D.Round Rock, TX 786651598703084
- Trina Dorrah, M.D.Round Rock, TX 786651326104183
- Robyn Fader, MDRound Rock, TX 786651609846781
- Christopher Farmer, M.D.Round Rock, TX 786651619136462
Common questions
What is Sayf Yassin, M.D.'s NPI number?
Sayf Yassin, M.D.'s National Provider Identifier (NPI) is 1043605371, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sayf Yassin, M.D. located?
The NPPES record lists a practice address at 201 Seton Pkwy, Round Rock, TX, 78665. Phone: (512) 324-4170. Providers update this record themselves, so call before visiting.
How can I verify Sayf Yassin, M.D.'s license?
NPPES lists Texas license number R8293, 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 Sayf Yassin, M.D. prescribe under Medicare Part D?
In 2024, Sayf Yassin, M.D. had 528 Medicare Part D claims for 203 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.