Quick answers
- Which hospitals does Gregory P. Rosa work at?
- Medicare's official clinician data lists Gregory P. Rosa at 1 hospital: Providence Santa Rosa Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory P. Rosa see patients?
- Medicare's clinician data lists 3 practice locations, including Anaheim, CA, Santa Rosa, CA and Sebastopol, CA. Call before your visit to confirm the address.
- What is Gregory P. Rosa's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gregory P. Rosa accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory P. Rosa 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 Gregory P. Rosa offer telehealth?
- Medicare's clinician data says Gregory P. Rosa offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory P. Rosa?
- (707) 823-7616, as listed in official Medicare / NPI Registry data.
- What is Gregory P. Rosa's NPI number?
- 1902861453. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory P. Rosa works
Medicare's Facility Affiliation Data lists Gregory P. Rosa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
Practice locations
Addresses where Gregory P. Rosa is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 W Ctr St PromenadeAnaheim, CA 92805
- 500 Doyle Park DrSanta Rosa, CA 95405
- 6800 Palm Ave, Suite HSebastopol, CA 95472 (707) 823‑7616
Group practices
Medicare enrollment lists Gregory P. Rosa as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902861453 |
| 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