NPPES file of Aug 9, 2026

Joshua Robert Merok, M.D.

Family Medicine Physician · Chicago, IL

Joshua Robert Merok, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1063685451, issued on Apr 8, 2008. Check the license (Illinois 036119720, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1063685451
Name
Joshua Robert Merok
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036119720 IL
Self-reported in NPPES; status is on the state search
Practice location
2001 W Addison St, Chicago, IL 60618
Phone
(773) 796-2280
Enumerated
Apr 8, 2008
Record last updated
Apr 21, 2023
Medicare enrollment
Enrolled (PECOS I20081126000098); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 2005
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →

Also registered at 2001 W Addison St

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

  1. Richard Fairbrother, D.O.Family Medicine Physician1245204312
  2. Margaret Gordon, NPFamily Nurse Practitioner1003380148
  3. Michael Kupkowski, M.D.Family Medicine Physician1598081598

Verify Joshua Robert Merok in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036119720    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 Illinois 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

62% fewer Medicare Part D claims than the average family medicine physician in 2024

1,342 Medicare Part D claims for 120 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Joshua Merok1,342
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium77 claims
  2. Rosuvastatin Calcium46 claims
  3. Metformin Hcl38 claims
  4. Lisinopril37 claims
  5. Amlodipine Besylate35 claims
  6. Metoprolol Succinate35 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.

Industry payments in 2024: $972.68

54 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joshua Merok$972.68
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Windy City Health Partners PLLCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joshua Robert Merok among 6,215 family medicine physician records in Illinois

Joshua Robert Merok, 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. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2005 · 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).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Henson Chu, MDChicago, IL 606181962498170
  2. Eliecer Cotes, MDChicago, IL 606181093754707
  3. William Faber, M.D.Chicago, IL 606181992739981
  4. Richard Fairbrother, D.O.Chicago, IL 606181245204312
  5. Lettricia Gunaratnam, M.D.Chicago, IL 606181851449060
  6. Mike Kim, M.D.Chicago, IL 606181134396112
  7. Jasminka Kostic, MDChicago, IL 606181073599775
  8. Alex Lima, M.D.Chicago, IL 606181356389381

Common questions

What is Joshua Robert Merok, M.D.'s NPI number?

Joshua Robert Merok, M.D.'s National Provider Identifier (NPI) is 1063685451, issued on Apr 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Robert Merok, M.D. located?

The NPPES record lists a practice address at 2001 W Addison St, Chicago, IL, 60618. Phone: (773) 796-2280. Providers update this record themselves, so call before visiting.

How can I verify Joshua Robert Merok, M.D.'s license?

NPPES lists Illinois license number 036119720, 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 Joshua Robert Merok, M.D. prescribe under Medicare Part D?

In 2024, Joshua Robert Merok, M.D. had 1,342 Medicare Part D claims for 120 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.

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.