Quick answers
- Which hospitals does Richard D. Carpenter work at?
- Medicare's official clinician data lists Richard D. Carpenter at 2 hospitals: John Muir Medical Center - Concord Campus and John Muir Medical Center - Walnut Creek Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard D. Carpenter see patients?
- Medicare's clinician data lists 1 practice location in Concord, CA. Call before your visit to confirm the address.
- What is Richard D. Carpenter's specialty?
- Medicare lists Family Practice as the primary specialty, and also Addiction Medicine.
- Does Richard D. Carpenter accept Medicare assignment?
- Yes. Medicare's clinician data says Richard D. Carpenter accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Richard D. Carpenter offer telehealth?
- Medicare's clinician data says Richard D. Carpenter offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Richard D. Carpenter?
- (925) 680-8933, as listed in official Medicare / NPI Registry data.
- What is Richard D. Carpenter's NPI number?
- 1881127165. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard D. Carpenter works
Medicare's Facility Affiliation Data lists Richard D. Carpenter at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · CCN 050496
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · CCN 050180
Practice locations
Addresses where Richard D. Carpenter is enrolled with Medicare (CMS data updated 2026-10-02).
- 2481 Pacheco StConcord, CA 94520 (925) 680‑8933
Group practices
Medicare enrollment lists Richard D. Carpenter as a member of this group (CMS data updated 2026-10-02).
- Fred J Von Stieff MD a Professional Corporation3 clinicians in the group
Specialties
- Family Practiceprimary
- Addiction Medicinealso
Other family doctors in Concord
Clinicians with the same Medicare primary specialty in Concord, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881127165 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians