NPPES file of Aug 9, 2026

Marissa A. Mullen, PA-C

Physician Assistant · Chicago, IL

Marissa A. Mullen, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1215635214, issued on Feb 20, 2023. Check the license 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
1215635214
Name
Marissa A. Mullen
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
5841 S Maryland Ave # MC3026, Chicago, IL 60637
Phone
(773) 795-4622
Enumerated
Feb 20, 2023
Record last updated
Sep 15, 2023
Medicare enrollment
Enrolled (PECOS I20231103000122); 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.
Download card Updates feed

8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →

Also registered at 5841 S Maryland Ave # MC3026

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

  1. Roberto Alcazar Felix, MDNeurological Surgery Physician1942003199
  2. Anudariya BatboldOrthopaedic Surgery Physician1689168122
  3. Whitney Griggs, MD, PHDNeurological Surgery Physician1811720584
  4. Martin Herman, M.D., PH.D.Neurological Surgery Physician1306844899
  5. Ahmed Mansi, MDNeurological Surgery Physician1396360723
  6. Momin Mohis, MDNeurological Surgery Physician1407698285

Verify Marissa A. Mullen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. University OF ChicagoChicago, IL

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

Marissa A. Mullen among 4,926 physician assistant records in Illinois

Marissa A. Mullen, PA-C is one of 4,926 physician assistant records with a practice address in Illinois. 82% 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 78% of them.

  • NPI issued2023 · 78% of these records are older, 17% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2023 · median 2019 among the 3,407 with a school on file
  • Record last updated2023 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,445 physician assistant records list a practice address in Chicago

They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.

All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Carrie BarthChicago, IL 606371336104983
  2. Amy Butler, PA-CChicago, IL 606371922292374
  3. Barbara Cislo, MMS, PA-CChicago, IL 606371942361217
  4. Melvin Fremit, P.A.Chicago, IL 606371063609964
  5. Rebecca FriedlanderChicago, IL 606371477672061
  6. Diane Lyman, PA-CChicago, IL 606371184834467
  7. Casey Moran, PA-CChicago, IL 606371740277441
  8. Patrice Muhammad, PA-CChicago, IL 606371427062298

Common questions

What is Marissa A. Mullen, PA-C's NPI number?

Marissa A. Mullen, PA-C's National Provider Identifier (NPI) is 1215635214, issued on Feb 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marissa A. Mullen, PA-C located?

The NPPES record lists a practice address at 5841 S Maryland Ave # MC3026, Chicago, IL, 60637. Phone: (773) 795-4622. Providers update this record themselves, so call before visiting.

How can I verify Marissa A. Mullen, PA-C's license?

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.