Mariya Khan, MD
Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO
Mariya Khan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Saint Louis, Missouri, and NPI 1639708787, issued on Apr 1, 2020. Check the license (Missouri 2025053866, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mariya Khan
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 2025053866 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 362-3500
- Enumerated
- Apr 1, 2020
- Record last updated
- Feb 4, 2026
- Fax
- (314) 230-1119
- Medicare enrollment
- Enrolled (PECOS I20260319001262); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 206 in Missouri → Look up another NPI →
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariya Khan 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 2025053866Check 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 endocrinology, diabetes & metabolism physician in 2024
446 Medicare Part D claims for 89 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Ozempic53 claims
- Trulicity53 claims
- Metformin Hcl39 claims
- Atorvastatin Calcium35 claims
- Mounjaro31 claims
- Metformin Hcl Er28 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
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariya Khan among 206 endocrinology, diabetes & metabolism physician records in Missouri
Mariya Khan, MD is one of 206 endocrinology, diabetes & metabolism physician records with a practice address in Missouri. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 5% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2013 · median 2003 among the 148 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Missouri
There are 206 endocrinology, diabetes & metabolism physician records in Missouri.
All 206 in Missouri → Every provider in Saint Louis → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- James Avery, MDSaint Louis, MO 631101487671947
- Thomas Baranski, MDSaint Louis, MO 631101710903026
- Raymond Bourey, MDSaint Louis, MO 631101982607578
- Kim Carmichael, MDSaint Louis, MO 631101417907742
- Lewis Chase, MDSaint Louis, MO 631101134146640
- Anne Goldberg, MDSaint Louis, MO 631101093731317
- Sanjay Jain, M.D.Saint Louis, MO 631101033145974
- Janet McGill, MDSaint Louis, MO 631101811915325
Common questions
What is Mariya Khan, MD's NPI number?
Mariya Khan, MD's National Provider Identifier (NPI) is 1639708787, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mariya Khan, MD located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-3500. Providers update this record themselves, so call before visiting.
How can I verify Mariya Khan, MD's license?
NPPES lists Missouri license number 2025053866, 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 Mariya Khan, MD prescribe under Medicare Part D?
In 2024, Mariya Khan, MD had 446 Medicare Part D claims for 89 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.