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Family Practice

Byung-Gook Park, MD

Works at hospitals in San Jose, CA · California

Summary

Dr. Byung-Gook Park, MD is a family doctor at 751 S Bascom Ave, Santa Clara Vly Med, San Jose, CA 95128. Phone: (408) 885-5000. Accepts Medicare assignment. In 2024, Byung-Gook Park had 178 Original Medicare patients and 1,267 services. NPI 1801996962. 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: 751 S Bascom Ave, Santa Clara Vly Med, San Jose, CA 95128 · Directions
  • Phone: (408) 885‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Santa Clara Valley Medical Center
  • Group practice: County of Santa Clara
  • Medical school: graduated 1978 (48 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Byung-Gook Park, 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 Byung-Gook Park accept Medicare assignment?
Yes. Medicare's clinician data says Byung-Gook Park 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 Byung-Gook Park see?
In 2024, CMS data shows 178 Original Medicare patients and 1,267 services for Byung-Gook Park. This counts Original Medicare only and measures volume, not quality.
What is Byung-Gook Park's NPI number?
1801996962. 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 Byung-Gook Park, 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 patients178
Services billed to Medicare1,267
Different services or procedures11
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)893 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)215 services
  3. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)61 services
  4. Hospital discharge day management, more than 30 minutes (99239)26 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)24 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 blood pressure75%
  • High cholesterol75%
  • Diabetes56%
  • Chronic kidney disease49%
  • Heart failure48%
  • Arthritis46%

Hospitals where Byung-Gook Park works

Medicare's Facility Affiliation Data lists Byung-Gook Park 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 Byung-Gook Park is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Byung-Gook Park as a member of this group (CMS data updated October 2, 2026).

  • County of Santa Clara1,022 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in San Jose

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

All family doctors in San Jose →

Other clinicians in County of Santa Clara

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

Clinician information

CredentialMD
Graduation year1978 (48 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801996962
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