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

Dr. Brian D Mahany, DO

Individual provider Internal Medicine Physician · NPI 1821084153

Dr. Brian D Mahany, DO is an Internal Medicine in Lansing, Michigan. Graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1985, 41 years ago. Practices with Mid Michigan Internal Medicine PC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
41
Trained at
Des Moines University of Osteopathic Medicine and Health Sciences
Licensed in
MI
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2311 S Cedar St Ste B
Lansing, MI 48910-3191
Phone: (517) 484-7900
Fax: (517) 484-1113
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence BM009760 (MI)

Record details

NPI number1821084153
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 22, 2005
Last updated in NPPESNovember 7, 2008
Mailing address2311 S Cedar St, Suite B, Lansing, MI 48910-3191

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolDES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduated 1985 (41 years in practice)
Group practice Mid Michigan Internal Medicine Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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