John William Ervin, M.D.
Obstetrics & Gynecology Physician · Tulsa, OK
John William Ervin, M.D. is an obstetrics & gynecology physician with a practice address in Tulsa, Oklahoma, and NPI 1629061213, issued on Aug 30, 2005. Check the license (Oklahoma 33711, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- John William Ervin
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 33711 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4444 E 41St St, Tulsa, OK 74135
- Phone
- (918) 619-4400
- Enumerated
- Aug 30, 2005
- Record last updated
- Aug 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid IDs
- 500694558 OR
878690060A GA - Medicare enrollment
- Enrolled (PECOS I20180924000570); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 438 in Oklahoma → Look up another NPI →
Also registered at 4444 E 41St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle AgirigaStudent in an Organized Health Care Education/Training Program1811844798
- Elizabeth AhmedStudent in an Organized Health Care Education/Training Program1710852868
- Sana AhmedStudent in an Organized Health Care Education/Training Program1518684257
- Andrea Albin, DOPediatrics Physician1477050813
- Dru Albin, DOInternal Medicine Physician1487151619
- Breighleigh AlexanderStudent in an Organized Health Care Education/Training Program1407629827
Verify John William Ervin 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 33711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
411 Medicare Part D claims for 122 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Estradiol76 claims
- Lumigan27 claims
- Restasis19 claims
- Latanoprost17 claims
- Prempro17 claims
- Ofloxacin15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $372.03
3 payments; by number, the most common kind was gift; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Integris Ambulatory Care CorporationGrove, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John William Ervin among 438 obstetrics & gynecology physician records in Oklahoma
John William Ervin, M.D. is one of 438 obstetrics & gynecology physician records with a practice address in Oklahoma. 76% 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, 88% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1999 · median 2006 among the 267 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Oklahoma
There are 438 obstetrics & gynecology physician records in Oklahoma.
All 438 in Oklahoma → Every provider in Tulsa → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kelsey Arbogast, M.D.Tulsa, OK 741351831455468
- Mark Frost, MDTulsa, OK 741351518967579
- Alfred Gendy, M.D.Tulsa, OK 741351700062346
- Jennifer Gibbens, M.D.Tulsa, OK 741351598712291
- Jennifer Hayes, MDTulsa, OK 741351306810916
- Monica Henning, M.D.Tulsa, OK 741351306046271
- Allison Huebert, M.D.Tulsa, OK 741351487657532
- Erin Jorgensen, M.D.Tulsa, OK 741351043579774
Common questions
What is John William Ervin, M.D.'s NPI number?
John William Ervin, M.D.'s National Provider Identifier (NPI) is 1629061213, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John William Ervin, M.D. located?
The NPPES record lists a practice address at 4444 E 41St St, Tulsa, OK, 74135. Phone: (918) 619-4400. Providers update this record themselves, so call before visiting.
How can I verify John William Ervin, M.D.'s license?
NPPES lists Oklahoma license number 33711, 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 John William Ervin, M.D. prescribe under Medicare Part D?
In 2024, John William Ervin, M.D. had 411 Medicare Part D claims for 122 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is John William Ervin, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.