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

Gregory Martinez, MD

Individual provider Nephrology Physician · NPI 1982863098

Gregory Martinez, MD is a Nephrology in Fresno, California. Graduated from Jefferson Medical College of Thomas Jefferson University in 2006, 20 years ago. Practices with Central California Faculty Medical Group Inc, a 254-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
20
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

568 E Herndon Ave Ste 201
Fresno, CA 93720-2989
Phone: (559) 228-6600
Fax: (559) 226-3709
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A103241 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A103241 (CA)

Record details

NPI number1982863098
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2008
Last updated in NPPESAugust 15, 2017
Mailing address568 E Herndon Ave, Suite 201, Fresno, CA 93720-2989

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2006 (20 years in practice)
Group practice Central California Faculty Medical Group Inc — 254 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Fresno