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

Joan E Nagelkirk, MD

Individual provider Internal Medicine Physician · NPI 1912951211

Joan E Nagelkirk, MD is an Internal Medicine in Muskegon, Michigan. Graduated from University of Tennessee, Hsc, College of Medicine in 1982, 44 years ago. Practices with Mercy Specialty Services, a 84-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
44
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
MI
In the registry since
2006
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

1500 E Sherman Blvd
Muskegon, MI 49444-1849
Phone: (231) 672-3883
Fax: (231) 672-3973
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 4301064351 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301064351 (MI)

Record details

NPI number1912951211
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2006
Last updated in NPPESApril 23, 2022
Certification dateApril 23, 2022
Mailing address1560 E Sherman Blvd Ste 240, Muskegon, MI 49444-1854

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE, HOSPITALIST
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Mercy Specialty Services — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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