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

Alyssa Michelle Rumsey, DO

Individual provider Internal Medicine Physician · NPI 1902396757

Alyssa Michelle Rumsey, DO is an Internal Medicine in Three Rivers, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 2018, 8 years ago. Practices with Beacon Medical Group Inc, a 574-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Indiana and Michigan.

Years since qualifying
8
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
IN, MI
In the registry since
2018
Specialties on file
2
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.

See every abbreviation used in this directory →

Practice location Address checks out

850 S Health Pkwy
Three Rivers, MI 49093-8358
Phone: (269) 279-5240
Fax: (269) 273-9060
Show map & directions

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

Additional practice locations (3)

  • 615 N Michigan St, South Bend, IN 46601-1033 — (574) 647-3050
  • 711 S Health Parkway Ste 1, Three Rivers, MI 49093-8354 — (269) 273-8557
  • 701 S Health Pkwy, Three Rivers, MI 49093-8352 — (269) 278-1145

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 5101026055 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 02007019A (IN)

Record details

NPI number1902396757
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 17, 2018
Last updated in NPPESJuly 1, 2025
Certification dateJuly 1, 2025
Mailing address3245 Health Dr Ste 100, Granger, IN 46530-1380

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2018 (8 years in practice)
Group practice Beacon Medical Group Inc — 574 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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