Maria E. Perez, DO
Pediatric Gastroenterology Physician · Chicago, IL
Maria E. Perez, DO is a pediatric gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1346401981, issued on Jun 17, 2008. Check the license (Illinois 036157108, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria E. Perez
- Credential
- DO
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 036157108 IL
34009269 OH
Self-reported in NPPES; status is on the state search - Practice location
- 225 E Chicago Ave, Chicago, IL 60611
- Phone
- (312) 227-4610
- Enumerated
- Jun 17, 2008
- Record last updated
- Aug 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20260527001055); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 76 in Illinois → Look up another NPI →
Also registered at 225 E Chicago Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jasmene Abernathy, MDStudent in an Organized Health Care Education/Training Program1881454957
- Tamkeen Abreu, PHARMD, BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1366888653
- Matthew Abts, MDPediatric Pulmonology Physician1588989750
- Samuel AccordinoStudent in an Organized Health Care Education/Training Program1194525204
- Carly Adajian, DDSDentist1184373029
- Julie Adams, RDRegistered Dietitian1417569153
Verify Maria E. Perez 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 036157108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average pediatric gastroenterology physician in 2024
13 Medicare Part D claims, against an average of 42 among the 289 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $161.71
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Maria E. Perez among 76 pediatric gastroenterology physician records in Illinois
Maria E. Perez, DO is one of 76 pediatric gastroenterology physician records with a practice address in Illinois. 58% 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 55% of them.
- NPI issued2008 · 55% of these records are older, 38% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated2005 · median 2006 among the 20 with a school on file
- Record last updated2026 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Illinois
There are 76 pediatric gastroenterology physician records in Illinois.
All 76 in Illinois → Every provider in Chicago → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Estella Alonso, M.D.Chicago, IL 606111457394595
- Lee Bass, M.DChicago, IL 606111881866259
- Jeffrey Brown, M.D.Chicago, IL 606111295843084
- Valeria Cohran, M.D.Chicago, IL 606111972611234
- Mark Fishbein, M.D.Chicago, IL 606111437134905
- John Fortunato, MDChicago, IL 606111477511541
- Maria Greene, M.D.Chicago, IL 606111295875896
- Alyssa Kriegermeier, M.D.Chicago, IL 606111285923078
Common questions
What is Maria E. Perez, DO's NPI number?
Maria E. Perez, DO's National Provider Identifier (NPI) is 1346401981, issued on Jun 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria E. Perez, DO located?
The NPPES record lists a practice address at 225 E Chicago Ave, Chicago, IL, 60611. Phone: (312) 227-4610. Providers update this record themselves, so call before visiting.
How can I verify Maria E. Perez, DO's license?
NPPES lists Illinois license number 036157108, 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 Maria E. Perez, DO prescribe under Medicare Part D?
In 2024, Maria E. Perez, DO had 13 Medicare Part D claims; the average among pediatric gastroenterology physician prescribers was 42. 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.