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

Dr. Christian D Clark, MD

Individual provider Gastroenterology Physician · NPI 1649223710

Dr. Christian D Clark, MD is an Internal Medicine in Tulsa, Oklahoma. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 2003, 23 years ago. Practices with Cherokee Nation, a 448-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
23
Trained at
University of Kansas School of Med (KC/WICH/SAL)
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

6465 S Yale Ave Ste 1002
Tulsa, OK 74136-7823
Phone: (918) 481-4700
Fax: (918) 481-4765
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 27511 (OK)

Record details

NPI number1649223710
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESMarch 29, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 2003 (23 years in practice)
Group practice Cherokee Nation — 448 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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