Dr. Maria Esperanza Perez, DO

  • Chicago, IL
  • Pediatric gastroenterology physician
NPI1346401981PAC ID0941479836
Part D claims, 2024
13
Publications
3
Hospital affiliations
1
Industry payments
$1,105
Medical group
1
Practice address
225 E Chicago Ave, Box 140, Chicago, IL 60611
Practice phone
Call (312) 227-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

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Dr. Maria Esperanza Perez is a pediatric gastroenterology physician in Chicago, Illinois

Dr. Perez practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago.

Dr. Perez's NPI, 1346401981, was assigned on June 17, 2008. Dr. Perez graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2005. Dr. Perez holds Illinois license 036157108.

NPI and contact details
Medicare PAC ID
0941479836
NPI enumeration date
June 17, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 227-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Maria Esperanza Perez practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois

Dr. Perez's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago, at 225 E Chicago Ave, Box 140, Chicago, IL 60611 in Cook County. The practice phone is (312) 227-4000.

Source: Dmand AI Affiliation Data

Dr. Maria Esperanza Perez is affiliated with 2 sites of care and 1 medical group

Dr. Perez's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago. The medical group on file is Lurie Children's Medical Group. Dmand AI also links Dr. Perez to 1 more clinical lab, named with a free account.

See all 3 affiliations for Dr. Perez

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Maria Esperanza Perez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perez practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ann & Robert H. Lurie Children's Hospital of ChicagoAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Perez practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Ann & Robert H. Lurie Children's Hospital of Chicago and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Maria Esperanza Perez is one of 74 pediatric gastroenterology physicians in Illinois

Pediatric gastroenterology is Dr. Perez's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Perez is board certified in pediatric gastroenterology by the American Board of Pediatrics. Dmand AI has Dr. Perez's licenses on file in 2 states: Illinois and Ohio.

Specialties and state licenses

  • Pediatric gastroenterology, IllinoisPrimaryLicense 036157108 · taxonomy 2080P0206X
  • Ohio licenseLicense 34009269

Pediatric gastroenterology physicians near Dr. Perez

Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Maria Esperanza Perez's patients have a median age of 13

Across all payers, Dmand AI patient panel data puts Dr. Perez's median patient age at 13, with 57% women.

Dr. Perez's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 13

Patient panel by sex, all payers

  • Women57%
  • Men42%

Source: Dmand AI Patient Panel Data

Dr. Maria Esperanza Perez wrote 13 Medicare Part D claims in 2024

In 2024, Dr. Perez wrote 13 Medicare Part D claims. 100% of them were for generic drugs.

Part D claims, 202413

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Maria Esperanza Perez takes part in Medicare

Dr. Perez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Maria Esperanza Perez has 3 publications on record

Dmand AI links 3 papers to Dr. Perez, published from 2013 to 2024. The most frequent topics are Gastroenterology and Gastrointestinal Diseases. Dr. Perez's most frequent co-authors are Mazen Issam Abbas, DO, MPH, Keith Benkov, MD and Terrill Dennis Bravender, MD.

Papers3
Years published2013 to 2024

Topics Dr. Perez writes about most

  • Gastroenterology
  • Gastrointestinal Diseases

Dr. Perez's most frequent co-authors

Recent publications by Dr. Perez

See all 3 publications and co-authors

See who Dr. Perez researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Perez works with, so you can find a warm path to the right pediatric gastroenterology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Maria Esperanza Perez received $1,105 in industry payments from 2016 to 2024

CMS Open Payments shows 64 general payments to Dr. Perez from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $641.

General payments to Dr. Perez by program year, 2016 to 2024

General payments to Dr. Perez by kind, 2016 to 2024

$1.1Kin total
  • Food and beverage$1,08798%
  • Education$182%

Companies that paid Dr. Perez the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Perez

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Maria Esperanza Perez graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford

Dr. Perez graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2005.

  1. Medical schoolRowan-Virtua School of Osteopathic Medicine - Stratford
  2. Board certified in pediatric gastroenterologyAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics
  4. Board certified in 2021 - 2026IL State License
  5. Board certified in 2007 - 2025NJ State License
  6. Board certified in 2008 - 2016OH State License
  7. Board certified in 2006 - 2006PA State License

Source: Dmand AI Professional Profile Data

Dr. Maria Esperanza Perez accepts plans from 9 insurance carriers

Dr. Perez is in network with 9 carriers, including Elevance, Aetna and Horizon Blue Cross Blue Shield of New Jersey. POS plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Horizon Blue Cross Blue Shield of New Jersey
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • HCSC
  • +1 more carriersWith a free account

Plan types Dr. Perez accepts, by number of carriers

  1. POS6
  2. PPO6
  3. HMO5
  4. Medicare4
  5. EPO3
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Maria Esperanza Perez's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Maria Esperanza Perez

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Maria Esperanza Perez's NPI number?

Dr. Maria Esperanza Perez's NPI number is 1346401981. It was assigned on June 17, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Maria Esperanza Perez?

Dr. Maria Esperanza Perez is a pediatric gastroenterology physician in Chicago, Illinois. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).

Where does Dr. Maria Esperanza Perez practice?

Dr. Perez practices at 225 E Chicago Ave, Box 140, Chicago, IL 60611. Dr. Perez's primary practice is Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois, part of Ann & Robert H. Lurie Children's Hospital of Chicago. Dmand AI also links Dr. Perez to 1 clinical lab.

What is Dr. Maria Esperanza Perez's office phone number?

The practice phone on file for Dr. Perez is (312) 227-4000.

What is Dr. Maria Esperanza Perez's medical license number?

Dr. Perez holds Illinois license 036157108, one of the licenses on file in 2 states.

Which states has Dr. Maria Esperanza Perez been licensed in?

Dmand AI has state licenses on file for Dr. Perez in Illinois and Ohio.

Which hospitals is Dr. Maria Esperanza Perez affiliated with?

Dr. Perez practices at Ann & Robert H. Lurie Children's Hospital of Chicago in Chicago, Illinois.

What medical group is Dr. Maria Esperanza Perez part of?

Dr. Perez is linked to Lurie Children's Medical Group.

Does Dr. Maria Esperanza Perez accept Medicare?

Yes. CMS lists Dr. Perez as accepting Medicare assignment.

Is Dr. Maria Esperanza Perez board certified?

Yes. Dr. Perez is board certified in pediatric gastroenterology by the American Board of Pediatrics.

Show 6 more questionsShow fewer questions

Where did Dr. Maria Esperanza Perez go to medical school?

Dr. Perez graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2005.

Has Dr. Maria Esperanza Perez received payments from drug or device companies?

CMS Open Payments shows $1,105 in general payments to Dr. Perez from 7 companies from 2016 to 2024. The largest total came from Abbvie Inc.

How long has Dr. Maria Esperanza Perez been practicing?

Dr. Perez graduated from medical school in 2005, 21 years ago.

Does Dr. Maria Esperanza Perez do research?

Dmand AI links 3 publications to Dr. Perez, published from 2013 to 2024.

Who does Dr. Maria Esperanza Perez publish with?

Dr. Perez's most frequent co-authors are Mazen Issam Abbas, DO, MPH (1 shared paper), Keith Benkov, MD (1 shared paper) and Terrill Dennis Bravender, MD (1 shared paper).

What insurance does Dr. Maria Esperanza Perez accept?

Dr. Perez is in network with 9 carriers, including Elevance, Aetna and Horizon Blue Cross Blue Shield of New Jersey. POS plans come from the most carriers, 6. Check the plan with the practice before a visit.

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