Christopher A. Carpenter, M.D.
NPI 1508846023ActiveIndividual· Family Medicine· Castle Rock, CO
Family Medicine (M.D.) in Castle Rock, Colorado, trained at University of Oklahoma College of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $561,099 for 4,459 claims, against $42,204 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $338.47 in all, mostly food and beverage.
Overview
| NPI | 1508846023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 19, 2006 |
| Last updated in NPPES | Feb 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 34771 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 1,106 across 41 procedure codes |
| Paid by Medicare | $42,204 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,459 · 11,630 30-day fills |
|---|---|
| Patients | 432 |
| Total drug cost | $561,099 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Family Practice |
Medical group
- Healthone Clinic Services - Primary Care LLCDenver, CO · 45 clinicians
Hospital affiliation
- Adventhealth Castle RockCastle Rock, CO
Industry payments (Open Payments)
- 2025$338.47 · 16 payments from 9 companies
- 2024$501.84 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $77.39 | 4 |
| Lilly USA, LLC | $67.08 | 3 |
| Astellas Pharma US Inc | $56.50 | 2 |
| Novo Nordisk Inc | $33.20 | 2 |
| Grifols USA, LLC | $28.17 | 1 |
What the 2025 payments were for
- Food and Beverage$338.47 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 68 family medicine physicians in Castle Rock · All family medicine physicians in Colorado