Individual provider Active NPI

Michael D Andya, M.D.

  • Internal Medicine Physician
  • Grass Valley, CA
National Provider Identifier
1760428452
Registry record updated May 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G69223 Issued in CA
Practice address
402 S Auburn St
Grass Valley, CA 95945-7226
Phone
(530) 273-2221
Fax
(530) 273-3550
NPI assigned
Jun 21, 2006
Last updated
May 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G69223 CA Primary

Addresses

Primary practice location

402 S Auburn St
Grass Valley, CA 95945-7226

Mailing address

402 S Auburn St
Grass Valley, CA 95945-7226
Phone (530) 273-2221

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20041116000489 CA Practitioner - Internal Medicine 4183688591 Receives reassigned benefits from 1 practitioner
Practice locations: Grass Valley, CA

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of California, Irvine, California College of Medicine, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

101 Margaret Lane a
Grass Valley, CA 95945
Phone (530) 273-2221

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.49 of 100Reported as individual
Quality
80.52
Promoting interoperability
99
Improvement activities
40
Cost
61.94

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G69223CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sierra Nevada Memorial-Miners Hospital Past Accepting new patients
Sierra Nevada Memorial-Miners Hospital Past Accepting new patients

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Practitioners & affiliated clinicians

Practitioners 1

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.

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1760428452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "402 S AUBURN ST",
            "city": "GRASS VALLEY",
            "state": "CA",
            "postal_code": "959457226",
            "telephone_number": "530-273-2221",
            "fax_number": "530-273-3550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "402 S AUBURN ST",
            "city": "GRASS VALLEY",
            "state": "CA",
            "postal_code": "959457226",
            "telephone_number": "530-273-2221",
            "fax_number": "530-273-3550"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ANDYA",
        "first_name": "MICHAEL",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-21",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G69223",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grass Valley, CA

Sources for this page

Verify at the official NPI Registry.