Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mariya Khan, MD

Individual provider Internal Medicine Physician · NPI 1639708787

Dr. Mariya Khan, MD is an Endocrinology in Saint Louis, Missouri. Qualified in 2013, 13 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
13
Licensed in
MO
In the registry since
2020
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Barnes Jewish Hospital Plz Div Im Endocrinology
Saint Louis, MO 63110-1003
Phone: (314) 362-3500
Fax: (314) 230-1119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 2025053866 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2025053866 (MO)

Record details

NPI number1639708787
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2020
Last updated in NPPESFebruary 4, 2026
Certification dateApril 7, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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