Michael D Andya, M.D.

Internal Medicine

Michael D Andya is an Internal Medicine specialist based in Grass Valley, CA with over 37 years of clinical experience. Offers virtual telehealth visits.

(530) 273-2221Grass Valley, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Patients across CA can see Michael D Andya, M.D. in person in Grass Valley or via virtual visit — no travel required. He graduated from University of California, Irvine, California College of Medicine in 1989 and has 37+ years of clinical experience. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

At a glance

  • Uses generic medications more than 54% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 3,565 Internal Medicine providers in CASee all Internal Medicine in Grass Valley37+ years experienceNPI since 2006

Older · 6894dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

101 Margaret Ln Suite a, Grass Valley, CA 95945-4207

Fax: (530) 273-3550
Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Hypertension
70%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%
Arthritis
Higher than avg (+5%)54%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+5%) — a focus area for this doctor

Ischemic Heart Disease
Lower than avg (-9%)23%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-9%) — less common here

Mood Disorders
22%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1989

    University of California, Irvine, California College of Medicine

  2. 37 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

University of California, Irvine, California College of Medicine (Class of 1989)

Virtual Internal Medicine Care With Michael D Andya

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Michael D Andya for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Grass Valley required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Michael D Andya

NPI records show Dr. Andya as active with telehealth listed in Grass Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (530) 273-2221.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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