Quick answers
- Does Yong Ha Jeon accept Medicare assignment?
- Yes. Medicare's clinician data says Yong Ha Jeon 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 Yong Ha Jeon see?
- In 2024, CMS data shows 209 Original Medicare patients and 641 services for Yong Ha Jeon. This counts Original Medicare only and measures volume, not quality.
- What is Yong Ha Jeon's NPI number?
- 1215275797. 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 Yong Ha Jeon, 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 | 209 |
|---|---|
| Services billed to Medicare | 641 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)384 services
- Hospital discharge day management, more than 30 minutes (99239)102 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)65 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)40 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 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%
- Diabetes52%
- Arthritis46%
- Chronic kidney disease45%
- Ischemic heart disease44%
Hospitals where Yong Ha Jeon works
Medicare's Facility Affiliation Data lists Yong Ha Jeon 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.
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050633
- Centura Health-Penrose St Francis Health ServicesColorado Springs, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060031
- St Francis Hospital & Medical CenterHartford, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070002
- Wynn HospitalUtica, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330044
Practice locations
Addresses where Yong Ha Jeon is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1010 Murray AveSan Luis Obispo, CA 93405 (805) 546‑7600
- 111 Hospital DrUtica, NY 13502 (315) 917‑9966
- 114 Woodland StHartford, CT 06105 (860) 714‑4000
- 2222 N Nevada AveColorado Springs, CO 80907
- 41 State Hwy 67Woodland Park, CO 80863
Group practices
Medicare enrollment lists Yong Ha Jeon as a member of these groups (CMS data updated October 2, 2026).
- Catholic Health Initiatives Colorado1,225 clinicians in the group
- Galen Inpatient Physicians PC1,077 clinicians in the group
- New York Medical Physician Associates PC202 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Luis Obispo
Clinicians with the same Medicare primary specialty in San Luis Obispo, CA — not a recommendation.
Other clinicians in Catholic Health Initiatives Colorado
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215275797 |
| 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