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

James Ramsay Halverson, MD

Individual provider Family Medicine Physician · NPI 1720044787

James Ramsay Halverson, MD is a Family Practice in Ojai, California. Graduated from Duke University School of Medicine in 1982, 44 years ago. Practices with Primary Medical Group of Ventura County Inc, a 42-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
44
Trained at
Duke University School of Medicine
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

117 Pirie Rd Ste D
Ojai, CA 93023-3166
Phone: (805) 646-7246
Fax: (805) 646-8936
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G51412 (CA)

Record details

NPI number1720044787
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESOctober 18, 2007
Mailing address117 Pirie Rd, Suite D, Ojai, CA 93023-3166

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Primary Medical Group Of Ventura County Inc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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