Cholog Yeon, M.D.
NPI 1215509716 · Family Medicine Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cholog Yeon, M.D. is a Family Medicine Physician provider in Rockford, IL (NPI 1215509716).
Provider details
- NPI number
- 1215509716
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0101519 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lisinopril | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 |
| Simvastatin | 21 |
| Atorvastatin Calcium | 17 |
| Metformin Hcl | 17 |
| Amlodipine Besylate | 16 |
| Metoprolol Succinate | 16 |
| Levothyroxine Sodium | 15 |
| Fenofibrate |
Practice location
Mailing address
Additional practice locations (1)
- 920 E High St Ste 201Charlottesville, VA 22902-4850Phone: (434) 654-1950Fax: (434) 977-9808
Registry dates
- Enumerated
- 2021-07-14
- Last updated
- 2026-01-28
- Certified
- 2026-01-28
Frequently asked questions
- What is Cholog Yeon's NPI number?
- Cholog Yeon's National Provider Identifier (NPI) is 1215509716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cholog Yeon's specialty?
- Cholog Yeon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cholog Yeon located?
- Cholog Yeon's practice location on file with NPPES is 1221 E. State St, Rockford, IL 61104.
- What is Cholog Yeon's phone number?
- The practice phone number listed in the NPPES registry for Cholog Yeon is (815) 972-1037.
- Does Cholog Yeon accept Medicare?
- Cholog Yeon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cholog Yeon's NPI active?
- Yes — Cholog Yeon's NPI (1215509716) is active in the NPPES registry as of the last update on 2026-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.