NPIMap

Organization Active NPI

Marshall Medical Center

  • Hematology & Oncology Physician
  • Cameron Park, CA
National Provider Identifier
1659554285
Registry record updated Mar 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
Legal business name
MARSHALL MEDICAL CENTER
Practice address
3581 Palmer Dr
Suite 400
Cameron Park, CA 95682-8236
Phone
(530) 676-6600
Fax
(530) 676-6603
NPI assigned
Dec 5, 2007
Last updated
Mar 9, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Siri Nelson
Title
Ceo
Phone
(530) 622-1441

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RH0003X Primary

Addresses

Primary practice location

3581 Palmer Dr
Suite 400
Cameron Park, CA 95682-8236

Mailing address

PO Box 45680
San Francisco, CA 94145-0680
Phone (530) 626-2787

Other names 1

  • Marshall Hematology/Oncology Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031208001095 CA Part B Supplier - Clinic/Group Practice 7517875859 Receives reassigned benefits from 169 practitioners
14 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Placerville, CA; Twin Bridges, CA; Gold River, CA; El Dorado Hills, CA; Cameron Park, CA

Other NPIs on the same Medicare enrollment 14

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 14

National Provider Directory

National Provider Directory
Tax ID family
Marshall Hosp Pul Funct18 organizations share this tax ID, including this one

Other organizations with this tax ID 17

Organizations that report the same tax identification number in the National Provider Directory.

View all 17

Locations

3106 Ponte Morino Dr
Ste B
Cameron Park, CA 95682
Phone (530) 631-1310

3501 Palmer Dr
Ste 204
Cameron Park, CA 95682
Phone (530) 626-9488

3581 Palmer Dr
Ste 608
Cameron Park, CA 95682
Phone (530) 672-7000

4201 Town Center Blvd
Bldg D
El Dorado Hills, CA 95762
Phone (530) 344-5400

5137 Golden Foothill Pkwy
#602
El Dorado Hills, CA 95762

617 New York Ranch Rd
Jackson, CA 95642
Phone (209) 257-0292

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Practitioners & affiliated clinicians

Practitioners 14

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 14

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1196812800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773014400000",
    "number": "1659554285",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 45680",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941450680",
            "telephone_number": "530-626-2787",
            "fax_number": "530-626-2839"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3581 PALMER DR",
            "address_2": "SUITE 400",
            "city": "CAMERON PARK",
            "state": "CA",
            "postal_code": "956828236",
            "telephone_number": "530-676-6600",
            "fax_number": "530-676-6603"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARSHALL MEDICAL CENTER",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-12-05",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A",
        "authorized_official_last_name": "NELSON",
        "authorized_official_first_name": "SIRI",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "530-622-1441"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Marshall Hematology/Oncology",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Cameron Park, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.