NPPES file of Aug 9, 2026

Maria Grace Pierson, DO

Pediatrics Physician · Chicago, IL

Maria Grace Pierson, DO is a pediatrics physician with a practice address in Chicago, Illinois, and NPI 1588314256, issued on Mar 25, 2022. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588314256
Name
Maria Grace Pierson
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License number
OS025223 PA
Self-reported in NPPES; status is on the state search
Practice location
6374 N Lincoln Ave, Chicago, IL 60659
Phone
(872) 270-5999
Enumerated
Mar 25, 2022
Record last updated
Aug 19, 2025
Fax
(888) 720-2959
Medicare enrollment
Enrolled (PECOS I20260504004891); may accept Medicare assignment
Medical or professional school
Arizona College Of Osteopathic Medicine Mid Western University, 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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8 nearest pediatrics physician records → All 3,176 in Illinois → Look up another NPI →

Also registered at 6374 N Lincoln Ave

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

  1. Barry Atlas, M.D.Internal Medicine Physician1073513305
  2. Howard Bartman, M.D.Internal Medicine Physician1871528653
  3. Michael Berger, M.D.Internal Medicine Physician1346392545
  4. Kirsten Charnond, M.D.Pediatric Adolescent Medicine Physician1477566776
  5. Tehilla Dubin, LSWSocial Worker1790642981
  6. Seema Elahi, M.D.Internal Medicine Physician1952326019

Verify Maria Grace Pierson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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.

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Maria Grace Pierson among 3,176 pediatrics physician records in Illinois

Maria Grace Pierson, DO is one of 3,176 pediatrics physician records with a practice address in Illinois. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 10% newer
  • In a Medicare fileNo · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2022 · median 2010 among the 235 with a school on file
  • Record last updated2025 · 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 208000000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,142 pediatrics physician records list a practice address in Chicago

They are 1,142 of the 63,379 NPPES records with a practice address in Chicago, and 3,176 pediatrics physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,176 in Illinois → Every provider in Chicago → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Anna Bunploog-Lane, M.D.Chicago, IL 606591356425755
  2. Cathy Divincenzo, MDChicago, IL 606591407852817
  3. Debasree Ghosh, MDChicago, IL 606591740509579
  4. Waheeda IqbalChicago, IL 606591093822298
  5. Naseeruddin Khan, M.D.Chicago, IL 606591659604304
  6. Tong Kim, MDChicago, IL 606591306866124
  7. Zarina Merchant, M.D.Chicago, IL 606591154376572
  8. Brian Morse, MD, PHDChicago, IL 606591447312889

Common questions

What is Maria Grace Pierson, DO's NPI number?

Maria Grace Pierson, DO's National Provider Identifier (NPI) is 1588314256, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Maria Grace Pierson, DO located?

The NPPES record lists a practice address at 6374 N Lincoln Ave, Chicago, IL, 60659. Phone: (872) 270-5999. Providers update this record themselves, so call before visiting.

How can I verify Maria Grace Pierson, DO's license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.