Christian D. Clark, MD
Gastroenterology Physician · Tulsa, OK
Christian D. Clark, MD is a gastroenterology physician with a practice address in Tulsa, Oklahoma, and NPI 1649223710, issued on May 18, 2006. Check the license (Oklahoma 27511, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Christian D. Clark
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 27511 OK
Self-reported in NPPES; status is on the state search - Practice location
- 6465 S Yale Ave, Tulsa, OK 74136
- Phone
- (918) 481-4700
- Enumerated
- May 18, 2006
- Record last updated
- Mar 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (918) 481-4765
- Medicaid ID
- 200292330A OK
- Medicare enrollment
- Enrolled (PECOS I20230220002773); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 6465 S Yale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erika Allison, PA-CPhysician Assistant1215209358
- Kami Barton, M.D.Internal Medicine Physician1235114471
- James Bourdeau, MDNephrology Physician1710097803
- Monica Broussard, P.A. - CPhysician Assistant1376960799
- Mary Cameron, MDNephrology Physician1619924677
- Shelley Capehart, MDColon & Rectal Surgery Physician1013941418
Verify Christian D. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 27511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
519 Medicare Part D claims for 358 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Clenpiq69 claims
- Plenvu61 claims
- Pantoprazole Sodium51 claims
- Suflave51 claims
- Peg-3350 And Electrolytes47 claims
- Omeprazole29 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.
Industry payments in 2024: $643.53
39 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Adult Gastroenterology Associates IncBartlesville, OK
- Cherokee NationTahlequah, OK
- Creek Nation Hospital And ClinicsTulsa, OK
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Oklahoma
There are 160 gastroenterology physician records in Oklahoma.
Other gastroenterology physician records in Oklahoma
- Jean Abed, M.D.Oklahoma City, OK1528371754
- Ahmed Abdelsatar Ali AbomhyaOklahoma City, OK1841810850
- Katy Adams, MDOklahoma City, OK1427686765
- Haresh Ajmera, MDTulsa, OK1780747261
- Mohamad Al-Rifai, DOTulsa, OK1033670369
- Ahmad Al-Taee, M.D.Oklahoma City, OK1467837880
- Ijlal Akbar Ali, MDOklahoma City, OK1023423977
- Tauseef Ali, M.D.Oklahoma City, OK1417096041
- Amer Alkhatib, MDTulsa, OK1487740296
- Peter Aran, M.D.Tulsa, OK1689661878
Common questions
What is Christian D. Clark, MD's NPI number?
Christian D. Clark, MD's National Provider Identifier (NPI) is 1649223710, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christian D. Clark, MD located?
The NPPES record lists a practice address at 6465 S Yale Ave, Tulsa, OK, 74136. Phone: (918) 481-4700. Providers update this record themselves, so call before visiting.
How can I verify Christian D. Clark, MD's license?
NPPES lists Oklahoma license number 27511, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christian D. Clark, MD prescribe under Medicare Part D?
In 2024, Christian D. Clark, MD had 519 Medicare Part D claims for 358 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.