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

Dr. Leigh Marie Seamon, DO

Individual provider Gynecologic Oncology Physician · NPI 1821147422

Dr. Leigh Marie Seamon, DO is a Gynecological Oncology in Grand Rapids, Michigan. Qualified in 2000, 26 years ago. Practices with Cancer and Hematology Centers of Western Mi, PC, a 109-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
26
Licensed in
OH
In the registry since
2007
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

145 Michigan St NE Ste 6300
Grand Rapids, MI 49503-2562
Phone: (616) 486-6000
Fax: (616) 486-2065
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence 34.008774 (OH)

Record details

NPI number1821147422
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 10, 2007
Last updated in NPPESApril 2, 2026
Certification dateApril 2, 2026

Medicare enrollment

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

Medicare specialtyGYNECOLOGICAL ONCOLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Cancer And Hematology Centers Of Western Mi, P.C. — 109 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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