Physician Profile
Unclaimed ProfileAbout ANDYA
Michael D Andya, M.D. practices internal medicine in Grass Valley, CA. Michael is a 1989 graduate of University of California, Irvine, California College of Medicine. According to Medicare claims data, Michael cared for 2,451 Medicare patients across 3,559 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (530) 273-2221
- Email not available
Practice Locations
402 S AUBURN ST
Grass Valley, CA 95945
Procedures Most Often Billed to Medicare
3,559 services · 2,451 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
257 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
67 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
58 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
854 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
729 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
397 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
286 |
| Administration of influenza virus vaccine | Billing code | G0008 |
270 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
104 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
104 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Grass Valley 8
Same specialty, same city.
Trained at University of California, Irvine, California College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at University of California, Irvine, California College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Andya's specialty?
Dr. Andya is an internal medicine in Grass Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Andya?
Dr. Andya is listed at 402 S AUBURN ST, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Andya?
The number on file is (530) 273-2221. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Andya's NPI number?
Dr. Andya's National Provider Identifier is 1760428452. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Andya's medical education?
Dr. Andya attended University of California, Irvine, California College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Andya been practicing?
Dr. Andya has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Andya known for?
According to Medicare billing data, Dr. Andya provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Andya confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Andya. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.