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Physician Assistant

Cheston J. Wong, PA

Works at hospitals in San Francisco, CA · Greenbrae, CA · California

Summary

Cheston J. Wong, PA is a physician assistant at 2250 Hayes St, Suite 302, San Francisco, CA 94117. Phone: (415) 750-5995. Accepts Medicare assignment. In 2024, Cheston J. Wong had 159 Original Medicare patients and 316 services. NPI 1174036545. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Cheston J. Wong, 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 Cheston J. Wong accept Medicare assignment?
Yes. Medicare's clinician data says Cheston J. Wong 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 Cheston J. Wong see?
In 2024, CMS data shows 159 Original Medicare patients and 316 services for Cheston J. Wong. This counts Original Medicare only and measures volume, not quality.
What is Cheston J. Wong's NPI number?
1174036545. 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 Cheston J. Wong, 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 patients159
Services billed to Medicare316
Different services or procedures26
Participating Medicare providerYes
Average age of these patients74

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)106 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)49 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)47 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)21 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)16 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 cholesterol71%
  • High blood pressure58%
  • Arthritis40%
  • Depression25%
  • Anxiety21%
  • Diabetes18%

Hospitals where Cheston J. Wong works

Medicare's Facility Affiliation Data lists Cheston J. Wong 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.

Practice locations

Addresses where Cheston J. Wong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cheston J. Wong as a member of this group (CMS data updated October 2, 2026).

  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in San Francisco

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

All physician assistants in San Francisco →

Other clinicians in UCSF Medical Group Business Services

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

Clinician information

CredentialPA
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174036545
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