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

Dr. Diana Marie Chen, MD

Individual provider Internal Medicine Physician · NPI 1518919091

Dr. Diana Marie Chen, MD is an Internal Medicine in Tulsa, Oklahoma. Graduated from University of Toledo College of Medicine in 1988, 38 years ago. Practices with Ahs Oklahoma Physician Group LLC, a 315-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
38
Trained at
University of Toledo College of Medicine
Licensed in
OK
In the registry since
2006
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

4408 S Harvard Ave
Tulsa, OK 74135-2615
Phone: (918) 574-0350
Fax: (918) 574-0359
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 16942 (OK)

Record details

NPI number1518919091
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESFebruary 24, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Ahs Oklahoma Physician Group Llc — 315 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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