Michael D Andya, M.D.
Individual provider Active NPI Internal Medicine Physician · Grass Valley, CA
NPI 1760428452 · NPPES record last updated May 28, 2026
Key facts
- NPI
- 1760428452
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Internal Medicine Physician 207R00000X
- License
- G69223 (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
- Sex
- Male
- Sole proprietor
- Yes
Organizations & group practices 2
Hospital & facility affiliations 6
Medicare Care Compare profile
- 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
- Progressive Home Care - Auburn
- Adventist Health Home Care Services
- Sierra Nevada Home Care
- Advanced Home Health, Inc
- Sutter Auburn Faith Vna & Hospice
- Sierra Nevada Memorial Hospital
- Sutter Auburn Faith Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 82.49 of 100
- Quality
- 80.52
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 61.94
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Melanoma (skin cancer) excision | 1-10 |
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20041116000489 | CA | Practitioner - Internal Medicine | 4183688591 |
Receives reassigned benefits from 1 practitioner Practice locations: Grass Valley, CA |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 69223 | CA | MD | Pharmacist |
| G69223 | CA | MD | Internal Medicine Physician |
Practice roles (2 of 3)
| Organization | Specialty | Status | New 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
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | G69223 | CA | Yes |
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
Other providers in Grass Valley, CA
- Haley Renee Anderson
- Heather Anderson
- Kathleen Patricia Anderson
- Andrew J Thomas MD Inc
- Dana C. Andrews
- Angela I Ingendaay M D Professional Corporation
- Angela Ingendaay, M.D., Professional Corporation
- Tammie Angove
- Charles Antouri
- Linn Aosjia
All providers in Grass Valley, CA · Internal Medicine Physician in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on May 28, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.