Muhammad A. Nyazee, MD
Gastroenterology Physician · Saint Louis, MO
Muhammad A. Nyazee, MD is a gastroenterology physician with a practice address in Saint Louis, Missouri, and NPI 1952494932, issued on Oct 2, 2006. Check the license (Missouri R3C90, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Muhammad A. Nyazee
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- R3C90 MO
Self-reported in NPPES; status is on the state search - Practice location
- 11155 Dunn RD Ste 212E, Saint Louis, MO 63136
- Phone
- (314) 837-4200
- Enumerated
- Oct 2, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 972-0402
- Medicaid ID
- 201736105 MO
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 414 in Missouri → Look up another NPI →
Also registered at 11155 Dunn RD Ste 212E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashfaq Hakim, MDGastroenterology Physician1548353428
Verify Muhammad A. Nyazee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R3C90Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average gastroenterology physician in 2024
962 Medicare Part D claims for 189 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Peg 3350-Electrolyte60 claims
- Amlodipine Besylate47 claims
- Pantoprazole Sodium43 claims
- Simvastatin40 claims
- Omeprazole32 claims
- Potassium Chloride27 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.
Muhammad A. Nyazee among 414 gastroenterology physician records in Missouri
Muhammad A. Nyazee, MD is one of 414 gastroenterology physician records with a practice address in Missouri. 84% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Missouri
There are 414 gastroenterology physician records in Missouri.
All 414 in Missouri → Every provider in Saint Louis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Ansstas, M.D.Saint Louis, MO 631361851658728
- Naeem Aslam, MDSaint Louis, MO 631361750347902
- Ashfaq Hakim, MDSaint Louis, MO 631361548353428
- Olayiwola Olagbegi, M.D.Saint Louis, MO 631361912011255
- Jason Taylor, M.D.Saint Louis, MO 631361972623536
- Heather White, MDSaint Louis, MO 631361770576381
- Barry Abramson, M.D.Saint Louis, MO 631311922025980
- Siddique Akram, MDSaint Louis, MO 631311457989071
Common questions
What is Muhammad A. Nyazee, MD's NPI number?
Muhammad A. Nyazee, MD's National Provider Identifier (NPI) is 1952494932, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Muhammad A. Nyazee, MD located?
The NPPES record lists a practice address at 11155 Dunn RD Ste 212E, Saint Louis, MO, 63136. Phone: (314) 837-4200. Providers update this record themselves, so call before visiting.
How can I verify Muhammad A. Nyazee, MD's license?
NPPES lists Missouri license number R3C90, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Muhammad A. Nyazee, MD prescribe under Medicare Part D?
In 2024, Muhammad A. Nyazee, MD had 962 Medicare Part D claims for 189 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.