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

Dr. Gregory Wayne Mellor, MD

Individual provider Diagnostic Radiology Physician · NPI 1548333982

Dr. Gregory Wayne Mellor, MD is a Diagnostic Radiology in Porterville, California. Graduated from University of Missouri, Kansas City, School of Medicine in 1977, 49 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Trained at
University of Missouri, Kansas City, 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

590 W Putnam Ave #2B
Porterville, CA 93257-3257
Phone: (559) 782-1973
Fax: (559) 782-1976
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G40981 (CA)

Record details

NPI number1548333982
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 15, 2006
Last updated in NPPESJuly 8, 2007
Mailing address590 W Putnam Ave, 2b, Porterville, CA 93257-3257

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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