Agha Masroor Abbas, MD
Internal Medicine Physician · Sunnyvale, TX
Agha Masroor Abbas, MD is an internal medicine physician with a practice address in Sunnyvale, Texas, and NPI 1326001843, issued on Apr 7, 2006. Check the license (Texas M2520, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Agha Masroor Abbas
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M2520 TX
Self-reported in NPPES; status is on the state search - Practice location
- 231 S Collins RD, Sunnyvale, TX 75182
- Phone
- (972) 892-3000
- Enumerated
- Apr 7, 2006
- Record last updated
- Jun 30, 2026
- Medicaid IDs
- 1156426 LA
182344513 TX - Medicare enrollment
- Enrolled (PECOS I20060228000086); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 231 S Collins RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abby Grider, M.D.Family Medicine Physician1871848242
- Ahmed Hassan, D.O.Internal Medicine Physician1508249285
Verify Agha Masroor Abbas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M2520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
356 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. Brand-name drugs were 4% of claims. 67 claims were for opioids.
Most prescribed
- Naproxen56 claims
- Acetaminophen-Codeine52 claims
- Cefdinir44 claims
- Prednisone26 claims
- Ondansetron Hcl20 claims
- Omeprazole17 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 one group practice
- Ray Hubbard Emergency Physicians PLLCSunnyvale, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Agha Masroor Abbas among 9,175 internal medicine physician records in Texas
Agha Masroor Abbas, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1988 · median 2004 among the 6,088 with a school on file
- Record last updated2026 · 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).
8 internal medicine physician records list a practice address in Sunnyvale
They are 8 of the 213 NPPES records with a practice address in Sunnyvale, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Sunnyvale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Suresh Belame, M.D.Sunnyvale, TX 751821356667612
- Godfrey Chithambo, MDSunnyvale, TX 751821366470379
- Billy De Los Santos, MDSunnyvale, TX 751821386885614
- Ahmed Hassan, D.O.Sunnyvale, TX 751821508249285
- Ramya KedikaSunnyvale, TX 751821821477720
- Farah Masood, MDSunnyvale, TX 751821447403563
- Roby RajanSunnyvale, TX 751821225278559
- Mustafa Firoz, M.D.Wills Point, TX 751691720040686
Common questions
What is Agha Masroor Abbas, MD's NPI number?
Agha Masroor Abbas, MD's National Provider Identifier (NPI) is 1326001843, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Agha Masroor Abbas, MD located?
The NPPES record lists a practice address at 231 S Collins RD, Sunnyvale, TX, 75182. Phone: (972) 892-3000. Providers update this record themselves, so call before visiting.
How can I verify Agha Masroor Abbas, MD's license?
NPPES lists Texas license number M2520, 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 Agha Masroor Abbas, MD prescribe under Medicare Part D?
In 2024, Agha Masroor Abbas, MD had 356 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.