MS. CHOLOG YEON M.D.
NPI 1215509716
Family Medicine in Rockford, IL

Q: What is Cholog Yeon's NPI number?

The NPI number for Cholog Yeon is 1215509716. It was assigned to this individual provider in the NPPES registry on July 14, 2021.

Q: What is Cholog Yeon's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Cholog Yeon was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 14, 2021PECOS EnrolledAccepts Medicare Assignment

1221 E. STATE ST, ROCKFORD, IL 61104(815) 972-1037(815) 972-1092 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 28, 2026, Oct 7, 2024, Jul 14, 2021 (3 updates tracked since 2021).

On this page

About Ms. Cholog Yeon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. CHOLOG YEON M.D. (NPI 1215509716) is an individual family medicine provider in Rockford, Illinois, licensed in Maryland (D0101519) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Sentara Martha Jefferson Hospital, and maintains a secondary practice location in Charlottesville.

NPPES Registry Identity

NPI1215509716

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameMS. CHOLOG YEONCredential: M.D.

Location Address1221 E. STATE STRockford, IL 61104

Mailing Address1221 E State StRockford, IL 61104-2231

Phone(815) 972-1037

Fax(815) 972-1092

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJuly 14, 2021

Last NPPES UpdateJanuary 28, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 28, 2026

✔ NPI 1215509716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in MD · D0101519✔ Licensed in VA · 0101283273

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1221 E. STATE ST, Rockford, IL 61104

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Secondary Practice Location 1

Location 1920 E High St Ste 201Charlottesville, VA 22902-4850 · Phone (434) 654-1950 · Fax (434) 977-9808

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Cholog Yeon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709272826

PECOS Enrollment IDI20241104002430, I20260401001320

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sentara Martha Jefferson Hospital

Acute Care Hospitals · Charlottesville, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490077

Location500 Martha Jefferson DriveCharlottesville, VA 22911 · Albemarle County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cholog Yeon's NPI number?

The NPI number for Cholog Yeon is 1215509716. It was assigned to this individual provider in the NPPES registry on July 14, 2021.

Where is Cholog Yeon located?

Cholog Yeon practices at 1221 E. State St, Rockford, IL 61104. The listed phone number is (815) 972-1037.

What is Cholog Yeon's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Cholog Yeon enrolled in Medicare?

Yes. Cholog Yeon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Cholog Yeon affiliated with any hospitals?

According to CMS data, Cholog Yeon is affiliated with Sentara Martha Jefferson Hospital.

When was this NPI record last updated?

The NPPES record for Cholog Yeon was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.