Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Andrew Nicholas Hollenbeck, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1790028207

Dr. Andrew Nicholas Hollenbeck, MD is an Internal Medicine in Detroit, Michigan. Graduated from Indiana University School of Medicine in 2013, 13 years ago. Practices with Mackinac Straits Health System Inc, a 22-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
13
Trained at
Indiana University School of Medicine
Licensed in
MI
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Detroit, MI

No coordinates on file. Search this address in Google Maps

Additional practice locations (1)

  • 521 Monroe St, Petoskey, MI 49770-2266 — (231) 487-1900

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 4301103734 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (MI)

Record details

NPI number1790028207
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2013
Last updated in NPPESSeptember 4, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Mackinac Straits Health System Inc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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