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MARK C. ANTONISHEN, M.D., P.L.L.C.
NPI 1861681819
Internal Medicine in Petoskey, MI

Active since October 16, 2007
405 N DIVISION RD, STE 3, PETOSKEY, MI 49770(231) 487-6030(231) 487-6010 Get Directions Write a Review

NPPES record last updated: October 16, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark C. Antonishen, M.d., P.l.l.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK C. ANTONISHEN, M.D., P.L.L.C. (NPI 1861681819) is a healthcare organization registered as an internal medicine in Petoskey, Michigan and active in the NPI registry since October 2007. The organization lists Mark C Antonishen, President, as its authorized official.

NPPES Registry Identity

NPI1861681819
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARK C. ANTONISHEN, M.D., P.L.L.C.
Location Address405 N DIVISION RD, STE 3Petoskey, MI 49770-9045
Mailing Address405 N Division Rd, Ste 3Petoskey, MI 49770-9045 · (231) 487-6030 · Fax (231) 487-6010
Phone(231) 487-6030
Fax(231) 487-6010
Organization SubpartNo
Authorized OfficialMark C AntonishenPresident · (231) 487-6030
Enumeration DateOctober 16, 2007
✔ NPI 1861681819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301046169
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
405 N DIVISION RD, Petoskey, MI 49770
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Other Identifiers 1

Medicare PIN0P16400

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NORTHERN MICHIGAN UROLOGY P.C.
Urology
405 N DIVISION RD, SUITE 2
PETOSKEY, MI 49770
Emmet County (231) 487-2270
NORTHERN MICHIGAN ALLERGY & ASTHMA CENTER, P.C.
Allergy & Immunology
405 N DIVISION RD, SUITE 4
PETOSKEY, MI 49770
Emmet County (231) 487-6575
DR. ALBERT TIMOTHY LINEHAN IV M.D.
Allergy & Immunology
405 N DIVISION RD, SUITE 4
PETOSKEY, MI 49770
Emmet County (231) 487-6575
JAMES M SHIRILLA MD PC
Internal Medicine (Geriatric Medicine)
405 N DIVISION RD, SUITE 3
PETOSKEY, MI 49770
Emmet County (231) 487-3980
DR. JAMES M SHIRILLA MD
Internal Medicine (Geriatric Medicine)
405 N DIVISION RD, SUITE 3
PETOSKEY, MI 49770
Emmet County (231) 487-3980

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark C. Antonishen, M.D., P.L.L.C.'s NPI number?

The NPI number for Mark C. Antonishen, M.D., P.L.L.C. is 1861681819. It was assigned to this organization in the NPPES registry on October 16, 2007.

Where is Mark C. Antonishen, M.D., P.L.L.C. located?

Mark C. Antonishen, M.D., P.L.L.C. is located at 405 N Division Rd Ste 3, Petoskey, MI 49770. The listed phone number is (231) 487-6030.

What is Mark C. Antonishen, M.D., P.L.L.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Mark C. Antonishen, M.D., P.L.L.C. was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.