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Internal Medicine

Yamini Madhavan, MD

Works at hospitals in Fremont, CA · California

Summary

Dr. Yamini Madhavan, MD is an internal medicine doctor at 3200 Kearney St, Fremont, CA 94538. Phone: (510) 490-1222. Accepts Medicare assignment. In 2024, Yamini Madhavan had 194 Original Medicare patients and 469 services. NPI 1841375516. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3200 Kearney St, Fremont, CA 94538 · Directions
  • Phone: (510) 490‑1222
  • Medicare: Accepts Medicare assignment
  • Hospital: Washington Hospital
  • Group practice: Sutter Bay Medical Foundation
  • Medical school: graduated 1999 (27 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Yamini Madhavan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Yamini Madhavan accept Medicare assignment?
Yes. Medicare's clinician data says Yamini Madhavan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Yamini Madhavan see?
In 2024, CMS data shows 194 Original Medicare patients and 469 services for Yamini Madhavan. This counts Original Medicare only and measures volume, not quality.
What is Yamini Madhavan's NPI number?
1841375516. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Yamini Madhavan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients194
Services billed to Medicare469
Different services or procedures27
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)167 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)116 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)66 services
  4. Influenza vaccine, inactivated (90653)12 services
  5. Administration of influenza virus vaccine (G0008)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol73%
  • High blood pressure71%
  • Diabetes37%
  • Arthritis32%
  • Chronic kidney disease24%
  • Osteoporosis23%

Hospitals where Yamini Madhavan works

Medicare's Facility Affiliation Data lists Yamini Madhavan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Washington HospitalFremont, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050195

Practice locations

Addresses where Yamini Madhavan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Yamini Madhavan as a member of this group (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fremont

Clinicians with the same Medicare primary specialty in Fremont, CA — not a recommendation.

All internal medicine doctors in Fremont →

Other clinicians in Sutter Bay Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841375516
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians