OrganizationActive
Marshall Medical Center
NPI 1659554285 · Hematology & Oncology Physician · Cameron Park, CA
Provider details
- NPI number
- 1659554285
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Siri Nelson, Ceo(530) 622-1441
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
3581 Palmer Dr
Suite 400
Cameron Park, CA 95682-8236
Phone: (530) 676-6600
Fax: (530) 676-6603
Street-level locationGet directions
Mailing address
Po Box 45680
San Francisco, CA 94145-0680
Other names (DBA / former)
- Other name
- Marshall Hematology/Oncology
Registry dates
- Enumerated
- 2007-12-05
- Last updated
- 2026-03-09
- Certified
- 2026-03-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.