NPPES file of Aug 9, 2026

Oscar Adrian Perez, PA-C

Medical Physician Assistant · Granite City, IL

Oscar Adrian Perez, PA-C is a medical physician assistant with a practice address in Granite City, Illinois, and NPI 1851177232, issued on Sep 1, 2023. Check the license (Illinois 085009943, as entered in NPPES) with the Illinois board that licenses this profession; 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
1851177232
Name
Oscar Adrian Perez
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
085009943 IL
Self-reported in NPPES; status is on the state search
Practice location
2166 Madison Ave, Granite City, IL 62040
Phone
(618) 452-3301
Enumerated
Sep 1, 2023
Record last updated
Dec 19, 2023
Fax
(618) 452-3312
Medicare enrollment
Enrolled (PECOS I20231130002493); accepts Medicare assignment
Medical or professional school
Lincoln Memorial University Medical Department, 2022
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 2166 Madison Ave

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

  1. Michael Adams, MDInternal Medicine Physician1851383301
  2. Edward Anderson, PAPhysician Assistant1326104910
  3. Janel Clark, FNPPsychiatric/Mental Health Nurse Practitioner1578951752
  4. Kelly Farroll, MDFamily Medicine Physician1063503704
  5. Retunda Jackson- PhifferPsychiatric/Mental Health Nurse Practitioner1285469148
  6. Melvin Merritt, M.D.Obstetrics & Gynecology Physician1386727584

Verify Oscar Adrian Perez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085009943
    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
Find the Illinois license search

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33% more Medicare Part D claims than the average medical physician assistant in 2024

1,522 Medicare Part D claims for 96 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 37 claims were for opioids.

  1. Oscar Perez1,522
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium76 claims
  2. Gabapentin69 claims
  3. Lisinopril68 claims
  4. Meloxicam58 claims
  5. Albuterol Sulfate Hfa51 claims
  6. Fluticasone Propionate50 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: $355.09

21 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Oscar Perez$355.09
  2. Specialty average$1,055.00

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. Southern Illinois Health Care Foundation IncEast Saint Louis, IL

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

Oscar Adrian Perez among 671 medical physician assistant records in Illinois

Oscar Adrian Perez, PA-C is one of 671 medical physician assistant records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 90% of them.

  • NPI issued2023 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2022 · median 2012 among the 340 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Illinois

There are 671 medical physician assistant records in Illinois.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Amina Music, MMS, PA-CGranite City, IL 620401407782063
  2. Samantha Rehme, PA-CGlen Carbon, IL 620341457823742
  3. Jaclyn Hake, PA-CGillespie, IL 620331497994727
  4. Melissa Zipprich, PAHardin, IL 620471457518847
  5. Timothy AdesanyaHilliboro, IL 620491467001859
  6. Jessica Morris, PA-CLitchfield, IL 620561447487624
  7. Abby Beedy, PA-CMaryville, IL 620621942497037
  8. Alyssa DiazMaryville, IL 620621467380972

Common questions

What is Oscar Adrian Perez, PA-C's NPI number?

Oscar Adrian Perez, PA-C's National Provider Identifier (NPI) is 1851177232, issued on Sep 1, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Oscar Adrian Perez, PA-C located?

The NPPES record lists a practice address at 2166 Madison Ave, Granite City, IL, 62040. Phone: (618) 452-3301. Providers update this record themselves, so call before visiting.

How can I verify Oscar Adrian Perez, PA-C's license?

NPPES lists Illinois license number 085009943, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Oscar Adrian Perez, PA-C prescribe under Medicare Part D?

In 2024, Oscar Adrian Perez, PA-C had 1,522 Medicare Part D claims for 96 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.