Robert O'Donnell, M.D., PH.D.
NPI 1386627586 · Hematology & Oncology Physician · Sacramento, CA
Robert O'Donnell, M.D., PH.D. is a Hematology & Oncology Physician provider in Sacramento, CA (NPI 1386627586).
Provider details
- NPI number
- 1386627586
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G063398 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-22
- Last updated
- 2019-08-22
Frequently asked questions
- What is Robert O'Donnell's NPI number?
- Robert O'Donnell's National Provider Identifier (NPI) is 1386627586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert O'Donnell's specialty?
- Robert O'Donnell is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert O'Donnell located?
- Robert O'Donnell's practice location on file with NPPES is 2279 45th Street, Sacramento, CA 95817-2229.
- What is Robert O'Donnell's phone number?
- The practice phone number listed in the NPPES registry for Robert O'Donnell is (916) 734-5959.
- Is Robert O'Donnell's NPI active?
- Yes — Robert O'Donnell's NPI (1386627586) is active in the NPPES registry as of the last update on 2019-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.