Gregory B. Vanzant, D.O.
Cardiovascular Disease Physician · Oklahoma City, OK
Gregory B. Vanzant, D.O. is a cardiovascular disease physician with a practice address in Oklahoma City, Oklahoma, and NPI 1932196839, issued on Oct 5, 2005. Check the license (Oklahoma 3703, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Gregory B. Vanzant
- Credential
- D.O.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 3703 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4200 W Memorial RD Ste 410, Oklahoma City, OK 73120
- Phone
- (405) 608-4767
- Enumerated
- Oct 5, 2005
- Record last updated
- Jun 6, 2022
- Fax
- (405) 607-2976
- Medicaid ID
- 100131230A OK
- Medicare enrollment
- Enrolled (PECOS I20060614000125); accepts Medicare assignment
- Medical or professional school
- Nova Southeastern College Of Osteo Medicine, 1993
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 184 in Oklahoma → Look up another NPI →
Also registered at 4200 W Memorial RD Ste 410
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Piper, APRN, CNSAcute Care Clinical Nurse Specialist1336566983
- Elizabeth Widaski, RNAdult Health Nurse Practitioner1730224924
Verify Gregory B. Vanzant 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 3703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
9,316 Medicare Part D claims for 766 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Metoprolol Succinate1,001 claims
- Atorvastatin Calcium830 claims
- Lisinopril808 claims
- Eliquis801 claims
- Amlodipine Besylate705 claims
- Furosemide506 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: $54.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Kestra Medical Technology Services, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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.
2 hospitals and group practices
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospitals4 of 5 stars
- Ohh Physicians LLCOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gregory B. Vanzant among 184 cardiovascular disease physician records in Oklahoma
Gregory B. Vanzant, D.O. is one of 184 cardiovascular disease physician records with a practice address in Oklahoma. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1993 · median 1998 among the 131 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Oklahoma
There are 184 cardiovascular disease physician records in Oklahoma.
All 184 in Oklahoma → Every provider in Oklahoma City → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Philip Adamson, M.D.Oklahoma City, OK 731201407840689
- Mark Anderson, M.D.Oklahoma City, OK 731201184030439
- Omar Baber, M.D.Oklahoma City, OK 731201457799850
- Pamela Craven, M.D.Oklahoma City, OK 731201144214370
- Varun Khanna, M.D.Oklahoma City, OK 731201013144799
- Michael Koehler, MDOklahoma City, OK 731201902031487
- Carl Rubenstein, M.D.Oklahoma City, OK 731201225025240
- Nicole Tran, M.D.Oklahoma City, OK 731201164683405
Common questions
What is Gregory B. Vanzant, D.O.'s NPI number?
Gregory B. Vanzant, D.O.'s National Provider Identifier (NPI) is 1932196839, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory B. Vanzant, D.O. located?
The NPPES record lists a practice address at 4200 W Memorial RD Ste 410, Oklahoma City, OK, 73120. Phone: (405) 608-4767. Providers update this record themselves, so call before visiting.
How can I verify Gregory B. Vanzant, D.O.'s license?
NPPES lists Oklahoma license number 3703, 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 Gregory B. Vanzant, D.O. prescribe under Medicare Part D?
In 2024, Gregory B. Vanzant, D.O. had 9,316 Medicare Part D claims for 766 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.