Kristina Carpenter, D.O.
NPI 1952741985ActiveIndividual· Family Medicine· Concord, CA
Family Medicine (D.O.) with Fred J Von Stieff MD A Professional Corporation, practicing in Concord, California. Their prescriptions cost Medicare Part D more than their services did: $395,225 for 4,238 claims, against $43,585 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $254.75 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952741985 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2013 |
| Last updated in NPPES | Dec 16, 2020 |
| Certified by provider | Dec 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A14099 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 667 across 40 procedure codes |
| Paid by Medicare | $43,585 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,238 · 8,607 30-day fills |
|---|---|
| Patients | 456 |
| Total drug cost | $395,225 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Fred J Von Stieff MD A Professional CorporationConcord, CA · 3 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- Sutter Care at HomeHospice · Alameda, CA
- Vitas Healthcare Corporation of CaliforniaHospice · Walnut Creek, CA
Industry payments (Open Payments)
- 2025$254.75 · 11 payments from 10 companies
- 2024$183.20 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $53.50 | 2 |
| Vanda Pharmaceuticals Inc. | $34.61 | 1 |
| Novo Nordisk Inc | $30.51 | 1 |
| Lundbeck LLC | $27.64 | 1 |
| Exact Sciences Corporation | $25.70 | 1 |
What the 2025 payments were for
- Food and Beverage$254.75 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Concord
- 1124210323
- 1336219468
- 1386662641
- 1386907624
- 1437306313
- 1457517229
- 1497789499
- 1649566324
- 1700048378
- 1760466312
- 1861487589
- 1073074944
All 45 family medicine physicians in Concord · All family medicine physicians in California