NPPES file of Aug 9, 2026

Janjsik William J. Chung, M.D.

Pediatric Adolescent Medicine Physician · Rochester Hills, MI

Janjsik William J. Chung, M.D. is a pediatric adolescent medicine physician with a practice address in Rochester Hills, Michigan, and NPI 1255494100, issued on Dec 19, 2006. Check the license (Michigan 36541, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255494100
Name
Janjsik William J. Chung
Credential
M.D.
Primary taxonomy
Pediatric Adolescent Medicine Physician 2080A0000X
License number
36541 MI
Self-reported in NPPES; status is on the state search
Practice location
930 W Avon RD, Rochester Hills, MI 48307
Phone
(248) 651-5454
Enumerated
Dec 19, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(248) 651-3841
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pediatric adolescent medicine physician records → All 82 in Michigan → Look up another NPI →

Also registered at 930 W Avon RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Molloy, DDS MSDentist1659342707
  2. Thomas Warner, D.D.S.Dentist1023137718
  3. Michael Weiss, D.O.Gynecology Physician1376596726

Verify Janjsik William J. Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 36541    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $46.60

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 859 providers of this specialty with any payment received $389.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Janjsik William Chung$46.60
  2. Specialty average$389.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Janjsik William J. Chung among 82 pediatric adolescent medicine physician records in Michigan

Janjsik William J. Chung, M.D. is one of 82 pediatric adolescent medicine physician records with a practice address in Michigan. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 27% newer
  • In a Medicare fileYes · 54% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Adolescent Medicine Physician providers in Michigan

There are 82 pediatric adolescent medicine physician records in Michigan.

All 82 in Michigan → Every provider in Rochester Hills → Pediatric Adolescent Medicine Physician nationwide →

The 8 pediatric adolescent medicine physician records with the nearest ZIP codes

  1. Hikmat Gogue, M.D.Sterling Heights, MI 483101821066697
  2. Susan Raymundo, MDBloomfield Hills, MI 483041457761066
  3. Durdana Rehman, M.DSterling Heights, MI 483101558399808
  4. Mohammad Bitar, M.D.Shelby Township, MI 483171487877973
  5. Max Robins, D.O.W Bloomfield, MI 483221265528624
  6. Erica Harding, MDClarkston, MI 483461538374236
  7. Joy Inyang, M.D.Hartland, MI 483531851373393
  8. Roberta Bobal-Savage, M.D.Highland, MI 483571659370674

Common questions

What is Janjsik William J. Chung, M.D.'s NPI number?

Janjsik William J. Chung, M.D.'s National Provider Identifier (NPI) is 1255494100, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janjsik William J. Chung, M.D. located?

The NPPES record lists a practice address at 930 W Avon RD, Rochester Hills, MI, 48307. Phone: (248) 651-5454. Providers update this record themselves, so call before visiting.

How can I verify Janjsik William J. Chung, M.D.'s license?

NPPES lists Michigan license number 36541, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.