John Ervin, M.D.
NPI 1629061213 · Obstetrics & Gynecology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ervin, M.D. is a Obstetrics & Gynecology Physician provider in Tulsa, OK (NPI 1629061213).
Provider details
- NPI number
- 1629061213
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 33711 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
173 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 96 | $119 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 32 | $155 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 27 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $84 |
Typical Medicare-allowed amounts for these services range $36–$155 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 76 | 36 |
| Bimatoprostbrand: Lumigan | 27 | 11 |
| Cyclosporinebrand: Restasis | 19 | — |
| Latanoprost | 17 | — |
| Estrogen,con/M-Progest Acetbrand: Prempro | 17 | — |
| Ofloxacin | 15 | 11 |
| Brimonidine Tartrate/Timololbrand: Combigan | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$372 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1125 May StSuite 202Hood River, OR 97031Phone: (541) 387-8940Fax: (541) 387-8908
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2018-08-29
Frequently asked questions
- What is John Ervin's NPI number?
- John Ervin's National Provider Identifier (NPI) is 1629061213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ervin's specialty?
- John Ervin is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Ervin located?
- John Ervin's practice location on file with NPPES is 4444 E 41st St, Tulsa, OK 74135-2527.
- What is John Ervin's phone number?
- The practice phone number listed in the NPPES registry for John Ervin is (918) 619-4400.
- Does John Ervin accept Medicare?
- John Ervin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ervin's NPI active?
- Yes — John Ervin's NPI (1629061213) is active in the NPPES registry as of the last update on 2018-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.