Melissa Chen, M.D.
Internal Medicine Physician · Gurnee, IL
Melissa Chen, M.D. is an internal medicine physician with a practice address in Gurnee, Illinois, and NPI 1942261516, issued on Mar 31, 2006. Check the license (Illinois 036.119255, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Melissa Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.119255 IL
MD00041572 WA
Self-reported in NPPES; status is on the state search - Practice location
- 662 Waterbury Ave, Gurnee, IL 60031
- Phone
- (847) 336-0240
- Enumerated
- Mar 31, 2006
- Record last updated
- Jul 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 8357360 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Melissa Chen 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 036.119255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Melissa Chen among 7,238 internal medicine physician records in Illinois
Melissa Chen, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2014 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 internal medicine physician records list a practice address in Gurnee
They are 28 of the 846 NPPES records with a practice address in Gurnee, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,238 in Illinois → Every provider in Gurnee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vivek Arora, M.D.Gurnee, IL 600311194712638
- Regan Christopoulos, MDGurnee, IL 600311740231596
- Efren Estrella, M.D.Gurnee, IL 600311053341172
- Mohammad Kagzi, MDGurnee, IL 600311659347409
- Jason Kramer, M.D.Gurnee, IL 600311093746927
- James Monahan, MDGurnee, IL 600311760478499
- Joseph Mun, MDGurnee, IL 600311588635940
- Xavier Parreno, M.D.Gurnee, IL 600311023085479
Common questions
What is Melissa Chen, M.D.'s NPI number?
Melissa Chen, M.D.'s National Provider Identifier (NPI) is 1942261516, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Chen, M.D. located?
The NPPES record lists a practice address at 662 Waterbury Ave, Gurnee, IL, 60031. Phone: (847) 336-0240. Providers update this record themselves, so call before visiting.
How can I verify Melissa Chen, M.D.'s license?
NPPES lists Illinois license number 036.119255, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.