Quick answers
- Does Ji Yon Hwang Ki accept Medicare assignment?
- Yes. Medicare's clinician data says Ji Yon Hwang Ki 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 Ji Yon Hwang Ki see?
- In 2024, CMS data shows 317 Original Medicare patients and 6,484 services for Ji Yon Hwang Ki. This counts Original Medicare only and measures volume, not quality.
- What is Ji Yon Hwang Ki's NPI number?
- 1881899706. 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 Ji Yon Hwang Ki, 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 | 317 |
|---|---|
| Services billed to Medicare | 6,484 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)2,496 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)419 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)287 services
- Annual alcohol misuse screening, 5 to 15 minutes (G0442)262 services
- Advance care planning, first 30 minutes (99497)259 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%
- Diabetes54%
- Arthritis46%
- Osteoporosis32%
- Depression31%
Practice locations
Addresses where Ji Yon Hwang Ki is enrolled with Medicare (CMS data updated October 2, 2026).
- 15200 Shady Grove Rd, Suite 108Rockville, MD 20850 (301) 610‑6630
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881899706 |
| 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
- 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