Kenneth C. Tan, MD

Internal Medicine

Also practices: PEDIATRIC MEDICINE

(408) 848-4600Gilroy, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Kenneth C. Tan, MD practices as part of a group internist practice in Gilroy, CA. A University of California, San Diego School of Medicine graduate since 1998, he brings 28+ years of experience. A physician who provides long-term, comprehensive care in the office and the hospital.

At a glance

  • Prescribes opioids less than 32% of reporting doctors in California
  • Uses generic medications more than 74% 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 Gilroy28+ years experienceNPI since 2006

Older · 1604dNPPES updated 2021-12-13 · verify on CMS

Contact & Location

Practice Location

7520 Arroyo Cir, Gilroy, CA 95020-7303

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

2.8%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-2.3 pts)

2.8% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

91.3%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+8.5 pts)

Better than 74% of reporting doctors in California

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Prescription Recipients

422

Patients prescribed

Prescriptions Written

3,789

Total claims

Total Medicare drug cost: $229k

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1998

    University of California, San Diego School of Medicine

  2. 28 years in practice

    Experienced

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, San Diego School of Medicine (Class of 1998)

Practice Footprint

Mailing address

1800 Harrison St Fl 7, Oakland, CA 94612-3466

Differs from practice location

Virtual Internal Medicine Care With Kenneth C. Tan

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

Schedule a virtual visit with Kenneth C. Tan for follow-ups, medication reviews, and ongoing care — no travel to Gilroy required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Kenneth C. Tan

Dr. Tan is listed as active in the NPI registry with telehealth listed in Gilroy, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (408) 848-4600.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. 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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