John Oehler, D.O.
NPI 1801974431 · Family Medicine Physician · Bucyrus, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Oehler, D.O. is a Family Medicine Physician provider in Bucyrus, OH (NPI 1801974431).
Provider details
- NPI number
- 1801974431
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 34007607 (OH)
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
19 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
782 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 | 264 | $89 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 258 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 85 | $35 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 633 | 166 |
| Amlodipine Besylate | 369 | 95 |
| Lisinopril | 335 | 84 |
| Losartan Potassium | 326 | 83 |
| Famotidine | 305 | 78 |
| Metformin Hclbrand: Metformin Hcl Er | 303 | 81 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (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)
- 1005 Bellefontaine AveSuite 360Lima, OH 45804-2851Phone: (419) 998-8205Fax: (419) 998-8220
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2022-01-25
Frequently asked questions
- What is John Oehler's NPI number?
- John Oehler's National Provider Identifier (NPI) is 1801974431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Oehler's specialty?
- John Oehler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Oehler located?
- John Oehler's practice location on file with NPPES is 725 N Sandusky Ave Ste 1, Bucyrus, OH 44820-1463.
- What is John Oehler's phone number?
- The practice phone number listed in the NPPES registry for John Oehler is (419) 562-7557.
- Does John Oehler accept Medicare?
- John Oehler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Oehler's NPI active?
- Yes — John Oehler's NPI (1801974431) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.