Michael I. Nahhas, M.D.
Vascular Neurology Physician · Houston, TX
Michael I. Nahhas, M.D. is a vascular neurology physician with a practice address in Houston, Texas, and NPI 1427431469, issued on Jul 8, 2015. Check the license (Texas S6697, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael I. Nahhas
- Credential
- M.D.
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License numbers
- S6697 TX
007921 GA
82255 SC
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St, Houston, TX 77030
- Phone
- (713) 500-7019
- Enumerated
- Jul 8, 2015
- Record last updated
- Dec 15, 2023
- Medicare enrollment
- Enrolled (PECOS I20200630000480); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular neurology physician records → All 82 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 Michael I. Nahhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S6697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average vascular neurology physician in 2024
84 Medicare Part D claims for 31 beneficiaries, against an average of 270 among the 598 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium13 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): 77.5 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: $801.98
22 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 461 providers of this specialty with any payment received $3,770.65 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).
Michael I. Nahhas among 82 vascular neurology physician records in Texas
Michael I. Nahhas, M.D. is one of 82 vascular neurology physician records with a practice address in Texas. 96% 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 67% of them.
- NPI issued2015 · 67% of these records are older, 23% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 95% of these records are
- Graduated2011 · median 2011 among the 78 with a school on file
- Record last updated2023 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Neurology Physician providers in Texas
There are 82 vascular neurology physician records in Texas.
All 82 in Texas → Every provider in Houston → Vascular Neurology Physician nationwide →
The 8 vascular neurology physician records with the nearest ZIP codes
- Andrew Barreto, MDHouston, TX 770301679540355
- Eric Bershad, MDHouston, TX 770301235109083
- Rajan Gadhia, M.D.Houston, TX 770301386901759
- Amanda Jagolino-Cole, MDHouston, TX 770301609192087
- Ashutosh Kaushal, MDHouston, TX 770301407119258
- Khalid KhalidHouston, TX 770301780937466
- Christina Kim, M.D.Houston, TX 770301215257209
- Pitchaiah Mandava, MD PHDHouston, TX 770301457454662
Common questions
What is Michael I. Nahhas, M.D.'s NPI number?
Michael I. Nahhas, M.D.'s National Provider Identifier (NPI) is 1427431469, issued on Jul 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michael I. Nahhas, M.D. located?
The NPPES record lists a practice address at 6431 Fannin St, Houston, TX, 77030. Phone: (713) 500-7019. Providers update this record themselves, so call before visiting.
How can I verify Michael I. Nahhas, M.D.'s license?
NPPES lists Texas license number S6697, 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 Michael I. Nahhas, M.D. prescribe under Medicare Part D?
In 2024, Michael I. Nahhas, M.D. had 84 Medicare Part D claims for 31 beneficiaries; the average among vascular neurology physician prescribers was 270. Part D covers Medicare prescriptions only.
What is Michael I. Nahhas, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.