Benjamin Houston Greiner, DO, MPH
Internal Medicine Physician · Tulsa, OK
Benjamin Houston Greiner, DO, MPH is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1902428212, issued on May 8, 2020. Check the license (Oklahoma 7948, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Benjamin Houston Greiner
- Credential
- DO, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 7948 OK
BP10071313 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6600 S Yale Ave Ste 600, Tulsa, OK 74136
- Phone
- (918) 491-5990
- Enumerated
- May 8, 2020
- Record last updated
- Aug 16, 2023
- Fax
- (918) 488-6673
- Medicare enrollment
- Enrolled (PECOS I20230717000179); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 6600 S Yale Ave Ste 600
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taryn Haney, DO, MPH, AAHIVSInternal Medicine Physician1508447533
- Samantha Nivens, APRNFamily Nurse Practitioner1376338574
- Erin Rowan, APRNFamily Nurse Practitioner1396118972
- Cristina Sarrosa, APRN-CNPPrimary Care Nurse Practitioner1376097261
Verify Benjamin Houston Greiner 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 7948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,476 Medicare Part D claims for 1,098 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 72 claims were for opioids.
Most prescribed
- Atorvastatin Calcium429 claims
- Amlodipine Besylate386 claims
- Levothyroxine Sodium350 claims
- Gabapentin298 claims
- Telmisartan284 claims
- Losartan Potassium283 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: $1,220.18
62 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Warren Clinic IncTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Houston Greiner among 1,115 internal medicine physician records in Oklahoma
Benjamin Houston Greiner, DO, MPH is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% 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 78% of them.
- NPI issued2020 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2020 · median 2007 among the 653 with a school on file
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
307 internal medicine physician records list a practice address in Tulsa
They are 307 of the 18,643 NPPES records with a practice address in Tulsa, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Tulsa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Bailey, M.D.Tulsa, OK 741361699750349
- Kami Barton, M.D.Tulsa, OK 741361235114471
- Vincent Bryan, DOTulsa, OK 741361134129356
- Brent Dennis, M.D.Tulsa, OK 741361932185709
- Stephen Fincher, M.D.Tulsa, OK 741361952388555
- Johnny Fowler, M.D.Tulsa, OK 741361184601619
- Mark Galles, M.D.Tulsa, OK 741361982681482
- Philip Hess, M.D.Tulsa, OK 741361750368924
Common questions
What is Benjamin Houston Greiner, DO, MPH's NPI number?
Benjamin Houston Greiner, DO, MPH's National Provider Identifier (NPI) is 1902428212, issued on May 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Houston Greiner, DO, MPH located?
The NPPES record lists a practice address at 6600 S Yale Ave Ste 600, Tulsa, OK, 74136. Phone: (918) 491-5990. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Houston Greiner, DO, MPH's license?
NPPES lists Oklahoma license number 7948, 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 Benjamin Houston Greiner, DO, MPH prescribe under Medicare Part D?
In 2024, Benjamin Houston Greiner, DO, MPH had 10,476 Medicare Part D claims for 1,098 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.