John Terpstra, D.O.
NPI 1528171030 · Emergency Medicine Physician · Dayton, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Terpstra, D.O. is a Emergency Medicine Physician provider in Dayton, OH (NPI 1528171030).
Provider details
- NPI number
- 1528171030
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 34-007889 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
360 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 112 | $169 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $92 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 53 | $116 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $121 |
| Critical Care, First 30-74 Minutes99291 | 38 | $203 |
| Hemoglobin A1c Level83036 | 17 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 95 | 32 |
| Metformin Hcl | 59 | 21 |
| Levothyroxine Sodium | 51 | 16 |
| Omeprazole | 50 | 21 |
| Lisinopril | 49 | 21 |
| Prednisone | 45 | 27 |
| Semaglutidebrand: Ozempic |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$177 across 7 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)
- 1430 Columbus AveWashington Court House, OH 43160-1703Phone: (740) 335-1210
Registry dates
- Enumerated
- 2006-08-17
- Last updated
- 2023-05-16
- Certified
- 2023-05-16
Frequently asked questions
- What is John Terpstra's NPI number?
- John Terpstra's National Provider Identifier (NPI) is 1528171030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Terpstra's specialty?
- John Terpstra is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Terpstra located?
- John Terpstra's practice location on file with NPPES is 332 Congress Park Dr, Dayton, OH 45459-4133.
- What is John Terpstra's phone number?
- The practice phone number listed in the NPPES registry for John Terpstra is (800) 726-3627.
- Does John Terpstra accept Medicare?
- John Terpstra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Terpstra's NPI active?
- Yes — John Terpstra's NPI (1528171030) is active in the NPPES registry as of the last update on 2023-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.