Mark Jay McGillem, M.D.
Internal Medicine Physician · Mishawaka, IN
Mark Jay McGillem, M.D. is an internal medicine physician with a practice address in Mishawaka, Indiana, and NPI 1700877339, issued on Nov 2, 2005. Check the license (Indiana 01051194A, as entered in NPPES) on the Medical Licensing Board of Indiana; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Jay McGillem
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01051194A IN
Self-reported in NPPES; status is on the state search - Practice location
- 5215 Holy Cross Pkwy, Mishawaka, IN 46545
- Phone
- (574) 335-2521
- Enumerated
- Nov 2, 2005
- Record last updated
- Mar 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (574) 335-2262
- Medicaid ID
- 200233400 IN
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
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Verify Mark Jay McGillem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01051194ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Jay McGillem among 2,109 internal medicine physician records in Indiana
Mark Jay McGillem, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileNo · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2012 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 internal medicine physician records list a practice address in Mishawaka
They are 18 of the 1,454 NPPES records with a practice address in Mishawaka, and 2,109 internal medicine physician records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,109 in Indiana → Every provider in Mishawaka → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Motasem Afyouni, M.D.Mishawaka, IN 465451306011606
- Dahan Al-Fadhl, M.D.Mishawaka, IN 465451740235183
- John Decelles, M.D.Mishawaka, IN 465451841238490
- Alexander Gatzimos, M.D.,JDMishawaka, IN 465451548476120
- Taegee Kiehm, M.D.Mishawaka, IN 465451780671883
- Alakananda Kulkarni, M.DMishawaka, IN 465451538255609
- Elizabeth Lauber, M.D.Mishawaka, IN 465451053308551
- Sonal Mittal, MDMishawaka, IN 465451649409335
Common questions
What is Mark Jay McGillem, M.D.'s NPI number?
Mark Jay McGillem, M.D.'s National Provider Identifier (NPI) is 1700877339, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Jay McGillem, M.D. located?
The NPPES record lists a practice address at 5215 Holy Cross Pkwy, Mishawaka, IN, 46545. Phone: (574) 335-2521. Providers update this record themselves, so call before visiting.
How can I verify Mark Jay McGillem, M.D.'s license?
NPPES lists Indiana license number 01051194A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. 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.
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.