NPPES file of Aug 9, 2026

Ray Andrew Mendez, M.D.

Family Medicine Physician · Chicago, IL

Ray Andrew Mendez, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1043697816, issued on Apr 30, 2015. Check the license (Illinois 036.145335, 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
1043697816
Name
Ray Andrew Mendez
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
036.145335 IL
125066793 IL
Self-reported in NPPES; status is on the state search
Practice location
1952 W Cermak RD, Chicago, IL 60608
Phone
(773) 254-6611
Enumerated
Apr 30, 2015
Record last updated
Jan 6, 2026
Fax
(773) 254-8590
Medicare enrollment
Enrolled (PECOS I20181116001102); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2015
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.
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Also registered at 1952 W Cermak RD

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

  1. Rajendra ParikhPharmacist1235380312

Verify Ray Andrew Mendez 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 036.145335
    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

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92% fewer Medicare Part D claims than the average family medicine physician in 2024

273 Medicare Part D claims for 78 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Ray Mendez273
  2. Specialty average3,544

Most prescribed

  1. Prednisone23 claims
  2. Atorvastatin Calcium20 claims
  3. Amoxicillin-Clavulanate Potass19 claims
  4. Metformin Hcl Er15 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: $185.70

4 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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. Ray Mendez$185.70
  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. Harvey Emergency Physicians PLLCCalumet City, IL

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

Ray Andrew Mendez among 6,215 family medicine physician records in Illinois

Ray Andrew Mendez, 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 2015, is newer than 68% of them.

  • NPI issued2015 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2006 among the 3,714 with a school on file
  • Record last updated2026 · 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ihab Aziz, MDChicago, IL 606081508968652
  2. Josefina Caling-Cruz, M.D.Chicago, IL 606081255426482
  3. Jackie Cohen, MDChicago, IL 606081225111842
  4. Andrew Defuniak, M.D.Chicago, IL 606081508951351
  5. Sagina Hanjrah, MDChicago, IL 606081134170756
  6. Maria James-Silva, MDChicago, IL 606081780764084
  7. Keith Knapp, M.D.Chicago, IL 606081104817329
  8. Elena Lopez, MDChicago, IL 606081831161132

Common questions

What is Ray Andrew Mendez, M.D.'s NPI number?

Ray Andrew Mendez, M.D.'s National Provider Identifier (NPI) is 1043697816, issued on Apr 30, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ray Andrew Mendez, M.D. located?

The NPPES record lists a practice address at 1952 W Cermak RD, Chicago, IL, 60608. Phone: (773) 254-6611. Providers update this record themselves, so call before visiting.

How can I verify Ray Andrew Mendez, M.D.'s license?

NPPES lists Illinois license number 036.145335, 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 Ray Andrew Mendez, M.D. prescribe under Medicare Part D?

In 2024, Ray Andrew Mendez, M.D. had 273 Medicare Part D claims for 78 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.