Gregory Terpstra, DO
NPI 1952399792 · Family Medicine Physician · Potosi, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Terpstra, DO is a Family Medicine Physician provider in Potosi, MO (NPI 1952399792).
Provider details
- NPI number
- 1952399792
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 110137 (MO)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,045 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 | 287 | $112 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 211 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 190 | $78 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 106 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 102 | $107 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 245 | 65 |
| Enalapril Maleate | 212 | 55 |
| Metoprolol Succinate | 188 | 47 |
| Amlodipine Besylate | 175 | 44 |
| Levothyroxine Sodium | 147 | 31 |
| Losartan Potassium | 136 | 35 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77 across 4 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
Registry dates
- Enumerated
- 2005-10-06
- Last updated
- 2008-05-13
Frequently asked questions
- What is Gregory Terpstra's NPI number?
- Gregory Terpstra's National Provider Identifier (NPI) is 1952399792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Terpstra's specialty?
- Gregory Terpstra is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Terpstra located?
- Gregory Terpstra's practice location on file with NPPES is 612 E High St Ste 210, Potosi, MO 63664-1426.
- What is Gregory Terpstra's phone number?
- The practice phone number listed in the NPPES registry for Gregory Terpstra is (573) 438-3660.
- Does Gregory Terpstra accept Medicare?
- Gregory Terpstra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Terpstra's NPI active?
- Yes — Gregory Terpstra's NPI (1952399792) is active in the NPPES registry as of the last update on 2008-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.