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

Individual provider Internal Medicine Physician · NPI 1407951551

Roderick Negal Seamster, MD is an Internal Medicine in Los Angeles, California. Graduated from Harvard Medical School in 1987, 39 years ago. Practices with Marin City Health and Wellness Center, a 9-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2006
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

10300 Compton Ave
Los Angeles, CA 90002-3628
Phone: (323) 357-6688
Fax: (323) 563-6378
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G64516 (CA)

Record details

NPI number1407951551
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 13, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice Marin City Health And Wellness Center — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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