Elsa Marquez Merin, M.D.
Family Medicine Physician · Forest Park, IL
Elsa Marquez Merin, M.D. is a family medicine physician with a practice address in Forest Park, Illinois, and NPI 1952494361, issued on Sep 30, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Elsa Marquez Merin
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 7435 W. Madison St., Forest Park, IL 60130
- Phone
- (708) 771-0250
- Enumerated
- Sep 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (708) 771-0686
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Elsa Marquez Merin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Elsa Marquez Merin among 6,215 family medicine physician records in Illinois
Elsa Marquez Merin, M.D. 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 not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileNo · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 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).
3 family medicine physician records list a practice address in Forest Park
They are 3 of the 289 NPPES records with a practice address in Forest Park, and 6,215 family medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,215 in Illinois → Every provider in Forest Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Shiann Lin, MDForest Park, IL 601301396793964
- Bahir Mansur, MDForest Park, IL 601301487756474
- Engjellush SadikFranklin Park, IL 601311497199855
- William White, MDFranklin Park, IL 601311326112731
- Myriam Yokana, M.D.Franklin Park, IL 601311790764371
- Steven Zerilli, MDFranklin Park, IL 601311528452422
- Chelsie Carlton, MDHanover Park, IL 601331033478342
- Salman Khaleeluddin, D.O.Hanover Park, IL 601331063728897
Common questions
What is Elsa Marquez Merin, M.D.'s NPI number?
Elsa Marquez Merin, M.D.'s National Provider Identifier (NPI) is 1952494361, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elsa Marquez Merin, M.D. located?
The NPPES record lists a practice address at 7435 W. Madison St., Forest Park, IL, 60130. Phone: (708) 771-0250. Providers update this record themselves, so call before visiting.
How can I verify Elsa Marquez Merin, M.D.'s license?
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.