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 patients | 178 |
|---|---|
| Services billed to Medicare | 1,267 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)893 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)215 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)61 services
- Hospital discharge day management, more than 30 minutes (99239)26 services
- 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.
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050038
Practice locations
Addresses where Byung-Gook Park is enrolled with Medicare (CMS data updated October 2, 2026).
- 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000
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
- Family Practiceprimary
Other family doctors in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Other clinicians in County of Santa Clara
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801996962 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians