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Family Practice

Ka Wai Tam, MD

Works at hospitals in Burlingame, CA · California

Summary

Dr. Ka Wai Tam, MD is a family doctor at 1241 E Hillsdale Blvd, Suite 270, Foster City, CA 94404. Phone: (650) 918-5080. Accepts Medicare assignment. In 2024, Ka Wai Tam had 129 Original Medicare patients and 452 services. NPI 1265484588. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1241 E Hillsdale Blvd, Suite 270, Foster City, CA 94404 · Directions
  • Phone: (650) 918‑5080
  • Medicare: Accepts Medicare assignment
  • Hospital: Peninsula Medical Center
  • Group practice: Foster City Medical Center
  • Medical school: University Of Toronto, Faculty Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ka Wai Tam, 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 Ka Wai Tam accept Medicare assignment?
Yes. Medicare's clinician data says Ka Wai Tam 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 Ka Wai Tam see?
In 2024, CMS data shows 129 Original Medicare patients and 452 services for Ka Wai Tam. This counts Original Medicare only and measures volume, not quality.
What is Ka Wai Tam's NPI number?
1265484588. 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 Ka Wai Tam, 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 patients129
Services billed to Medicare452
Different services or procedures14
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)166 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)106 services
  3. 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's (G2211)103 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)24 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)20 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 cholesterol74%
  • High blood pressure71%
  • Diabetes27%
  • Arthritis27%
  • Chronic kidney disease18%
  • Ischemic heart disease17%

Hospitals where Ka Wai Tam works

Medicare's Facility Affiliation Data lists Ka Wai Tam 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.

  • Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007

Practice locations

Addresses where Ka Wai Tam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ka Wai Tam as a member of this group (CMS data updated October 2, 2026).

  • Foster City Medical Center4 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All family doctors in California →

Other clinicians in Foster City Medical Center

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

Clinician information

CredentialMD
Medical schoolUniversity Of Toronto, Faculty Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1265484588
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