Hyojin Jeon, MD
Family Medicine Physician · Crystal Lake, IL
Hyojin Jeon, MD is a family medicine physician with a practice address in Crystal Lake, Illinois, and NPI 1578190054, issued on Mar 25, 2020. Check the license (Illinois 36165883, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Hyojin Jeon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36165883 IL
Self-reported in NPPES; status is on the state search - Practice location
- 875 South Route 31, Crystal Lake, IL 60014
- Phone
- (779) 220-5500
- Enumerated
- Mar 25, 2020
- Record last updated
- Sep 25, 2023
- Fax
- (815) 356-7541
- Medicare enrollment
- Enrolled (PECOS I20231006001324); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 875 South Route 31
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hyojin Jeon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 36165883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average family medicine physician in 2024
2,050 Medicare Part D claims for 198 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium187 claims
- Levothyroxine Sodium82 claims
- Metformin Hcl76 claims
- Amlodipine Besylate72 claims
- Hydrochlorothiazide71 claims
- Metoprolol Succinate65 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Mercy Health System CorporationCrystal Lake, IL
- Swedishamerican HospitalRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hyojin Jeon among 6,215 family medicine physician records in Illinois
Hyojin Jeon, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2006 among the 3,714 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Crystal Lake
They are 24 of the 1,442 NPPES records with a practice address in Crystal Lake, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Crystal Lake → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Muhammad Ali, M.D.Crystal Lake, IL 600141932201712
- John Balocki, DOCrystal Lake, IL 600141801856117
- Moriah Bang, D.O.Crystal Lake, IL 600141750393310
- Jamie Gancayco, MDCrystal Lake, IL 600141669470431
- Marina Gladson, MDCrystal Lake, IL 600141588751366
- Natalie Kostinsky, M.D.Crystal Lake, IL 600141205835881
- Marilyn Lacrosse, M.D.Crystal Lake, IL 600141255376885
- Michael Lesser, MDCrystal Lake, IL 600141760593032
Common questions
What is Hyojin Jeon, MD's NPI number?
Hyojin Jeon, MD's National Provider Identifier (NPI) is 1578190054, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Hyojin Jeon, MD located?
The NPPES record lists a practice address at 875 South Route 31, Crystal Lake, IL, 60014. Phone: (779) 220-5500. Providers update this record themselves, so call before visiting.
How can I verify Hyojin Jeon, MD's license?
NPPES lists Illinois license number 36165883, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hyojin Jeon, MD prescribe under Medicare Part D?
In 2024, Hyojin Jeon, MD had 2,050 Medicare Part D claims for 198 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.