Erin Margaret Janssen, MD
Pediatric Rheumatology Physician · Ann Arbor, MI
Erin Margaret Janssen, MD is a pediatric rheumatology physician with a practice address in Ann Arbor, Michigan, and NPI 1942402813, issued on Jun 4, 2007. Check the license (Michigan 4301507006, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Erin Margaret Janssen
- Credential
- MD
- Primary taxonomy
- Pediatric Rheumatology Physician 2080P0216X
- License number
- 4301507006 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Jun 4, 2007
- Record last updated
- Oct 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20221020002233); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2005
- Entity
- Type 1 · individual
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
- Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
- Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
- Anjelica Abate, MDDiagnostic Radiology Physician1841819216
- Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
- Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239
Verify Erin Margaret Janssen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301507006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Rheumatology Physician providers in Michigan
There are 18 pediatric rheumatology physician records in Michigan.
Other pediatric rheumatology physician records in Michigan
- Khalid Abulaban, M.D.Grand Rapids, MI1033379458
- Barbara Adams, MDAnn Arbor, MI1962412577
- Matthew Adams, MDRoyal Oak, MI1437197555
- Atiye Bilgic Dagci, M.D.Ann Arbor, MI1942657358
- Basil Fathalla, M.D.Detroit, MI1205879954
- Andrew Grim, MDAnn Arbor, MI1952714875
- Hilary Haftel, MDAnn Arbor, MI1528082880
- Mark Hoeltzel, MDAnn Arbor, MI1801910617
- Marianne Kerski, MDAnn Arbor, MI1700446093
- Elizabeth Kessler, M.D.Grand Rapids, MI1649492802
Common questions
What is Erin Margaret Janssen, MD's NPI number?
Erin Margaret Janssen, MD's National Provider Identifier (NPI) is 1942402813, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Erin Margaret Janssen, MD located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Erin Margaret Janssen, MD's license?
NPPES lists Michigan license number 4301507006, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. 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. 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.