Shervin Assassi, M.D.
Rheumatology Physician · Houston, TX
Shervin Assassi, M.D. is a rheumatology physician with a practice address in Houston, Texas, and NPI 1043259567, issued on Jun 6, 2006. Check the license (Texas M2251, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Shervin Assassi
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- M2251 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St, Houston, TX 77030
- Phone
- (713) 500-6900
- Enumerated
- Jun 6, 2006
- Record last updated
- Jun 24, 2025
- Fax
- (713) 500-0580
- Medicare enrollment
- Enrolled (PECOS I20051031000963); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 545 in Texas → Look up another NPI →
Also registered at 6431 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmad AbdelhadiStudent in an Organized Health Care Education/Training Program1073453296
- Zayna AbdullaStudent in an Organized Health Care Education/Training Program1245030337
- Yaman Abdullah, M.D.Internal Medicine Physician1134461619
- Elizabeth Abels, MDStudent in an Organized Health Care Education/Training Program1417516881
- Jessica Abhulimhen, MDInternal Medicine Physician1639665136
- Andrew Abikhaled, MD CANDIDATEStudent in an Organized Health Care Education/Training Program1699574335
Verify Shervin Assassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M2251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average rheumatology physician in 2024
589 Medicare Part D claims for 74 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 57 claims were for opioids.
Most prescribed
- Prednisone59 claims
- Omeprazole46 claims
- Tramadol Hcl43 claims
- Mycophenolate Mofetil32 claims
- Famotidine31 claims
- Hydroxychloroquine Sulfate28 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $86,887.53
89 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim International GmbH. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shervin Assassi among 545 rheumatology physician records in Texas
Shervin Assassi, M.D. is one of 545 rheumatology physician records with a practice address in Texas. 87% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1999 · median 2004 among the 417 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Texas
There are 545 rheumatology physician records in Texas.
All 545 in Texas → Every provider in Houston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sandeep AgarwalHouston, TX 770301467489757
- Frank Arnett, M.D.Houston, TX 770301922026152
- Kalpana Bhairavarasu, M.DHouston, TX 770301942236682
- Holly Jones, M. D.Houston, TX 770301457344202
- Huifang Lu, M.D. PHDHouston, TX 770301487672879
- Maureen Mayes, M.D.Houston, TX 770301255364238
- John Reveille, M.D.Houston, TX 770301295753408
- Richard Rubin, M.D.Houston, TX 770301942293758
Common questions
What is Shervin Assassi, M.D.'s NPI number?
Shervin Assassi, M.D.'s National Provider Identifier (NPI) is 1043259567, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shervin Assassi, M.D. located?
The NPPES record lists a practice address at 6431 Fannin St, Houston, TX, 77030. Phone: (713) 500-6900. Providers update this record themselves, so call before visiting.
How can I verify Shervin Assassi, M.D.'s license?
NPPES lists Texas license number M2251, 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 Shervin Assassi, M.D. prescribe under Medicare Part D?
In 2024, Shervin Assassi, M.D. had 589 Medicare Part D claims for 74 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Shervin Assassi, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.