NPPES file of Aug 9, 2026

Erin Mulligan, APRN

Family Nurse Practitioner · Chicago, IL

Erin Mulligan, APRN is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1649991423, issued on Sep 8, 2022. Check the license (Illinois 209028228, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649991423
Name
Erin Mulligan
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
209028228 IL
041463544 IL
Self-reported in NPPES; status is on the state search
Practice location
801 S Paulina St, Chicago, IL 60612
Phone
(312) 996-1052
Enumerated
Sep 8, 2022
Record last updated
Oct 14, 2024
Medicare enrollment
Enrolled (PECOS I20250219002516); accepts Medicare assignment
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 family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 801 S Paulina St

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

  1. William Abbott, DDSOral and Maxillofacial Surgery (Dentist)1891908737
  2. Nada AbdallahDentist1144847740
  3. Pheba Abraham, DMDOrthodontics and Dentofacial Orthopedics Dentistry1356964480
  4. Leila Ahmadian Khoshe MehrProsthodontics1619497021
  5. Azza Ahmed, BDS, MSC, PHDPediatric Dentistry1326672791
  6. Olatorera AinaDentist1578263885

Verify Erin Mulligan 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 209028228    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

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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Bills Medicare through one group practice

  1. The Board OF Trustees OF The University OF IllinoisChicago, IL

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

Erin Mulligan among 7,639 family nurse practitioner records in Illinois

Erin Mulligan, APRN is one of 7,639 family nurse practitioner 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 2022, is newer than 72% of them.

  • NPI issued2022 · 72% of these records are older, 22% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2023 · median 2018 among the 4,778 with a school on file
  • Record last updated2024 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,567 family nurse practitioner records list a practice address in Chicago

They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Barbara Brown, NURSE PRACTITIONERChicago, IL 606121225065352
  2. Cynthia Davis, FNPChicago, IL 606121902897028
  3. Karen Davis, NPChicago, IL 606121740243997
  4. Marie Digiacomo, NPChicago, IL 606121164435269
  5. Lauren Foster, CNPChicago, IL 606121376515379
  6. Patricia Knowles, APN, NP-CChicago, IL 606121912927062
  7. Sarah Lau, APNChicago, IL 606121548254378
  8. Christine Maclean, NPCChicago, IL 606121740210004

Common questions

What is Erin Mulligan, APRN's NPI number?

Erin Mulligan, APRN's National Provider Identifier (NPI) is 1649991423, issued on Sep 8, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Erin Mulligan, APRN located?

The NPPES record lists a practice address at 801 S Paulina St, Chicago, IL, 60612. Phone: (312) 996-1052. Providers update this record themselves, so call before visiting.

How can I verify Erin Mulligan, APRN's license?

NPPES lists Illinois license number 209028228, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

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.