Summary

Dr. Martinez graduated from the Sidney Kimmel Medical College At Thomas Jefferson University in 2006. He works in Fresno, CA and 8 other locations and specializes in Nephrology and Internal Medicine. Dr. Martinez is affiliated with Saint Agnes Medical Center, Adventist Health Selma and Kaiser Permanente Fresno Medical Center.

Quick Facts

  • accepting new patients
  • 5
  • 20 years of experience
  • speaks Spanish, Chinese
  • Sidney Kimmel Medical College At Thomas Jefferson University
  • 1 written review
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 11 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Gregory Scott Martinez has 11 locations

Fresno Vascular Access Center

568 E Herndon Ave Ste 201Fresno, CA 93720
Mon8:30 am - 5:30 pm
Tue8:30 am - 5:30 pm
Wed8:30 am - 5:30 pm
Thu8:30 am - 5:30 pm
Fri8:30 am - 5:30 pm
SatClosed
SunClosed

The Nephrology Group Inc

568 E Herndon Ave Ste 201Fresno, CA 93720
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Kerman Dialysis Center

14945 W Whitesbridge AveKerman, CA 93630
Mon4:00 am - 7:00 pm
Tue4:00 am - 2:00 pm
Wed4:00 am - 7:00 pm
Thu4:00 am - 2:00 pm
Fri4:00 am - 7:00 pm
Sat4:00 am - 2:00 pm
SunClosed

The Nephrology Group Inc

800 N StSanger, CA 93657
MonClosed
Tue9:30 am - 1:30 pm
Wed12:30 pm - 4:30 pm
ThuClosed
FriClosed
SatClosed
SunClosed

The Nephrology Group Inc

1205 Evergreen StSelma, CA 93662
Mon12:30 pm - 4:30 pm
TueClosed
WedClosed
ThuClosed
Fri9:30 am - 12:30 pm
SatClosed
SunClosed

Adventist Health Selma

1141 Rose AveSelma, CA 93662

Saint Agnes Medical Center

1303 E Herndon AveFresno, CA 93720

Fresno North

6737 N WILLOW AVE STE 101FRESNO, CA 93710
Mon4:00 am - 7:00 pm
Tue4:00 am - 7:00 pm
Wed4:00 am - 7:00 pm
Thu4:00 am - 7:00 pm
Fri4:00 am - 7:00 pm
Sat4:00 am - 7:00 pm
SunClosed

Fresno Ambulatory Surgery Center

568 E HERNDON AVE STE 103FRESNO, CA 93720
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Clovis Community Medical Center

2755 Herndon AveClovis, CA 93611

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Dr. Gregory Scott Martinez, MD
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Dr. Gregory Scott Martinez, MDDr. Edwin G Wiens, MDDr. Rey Lagniton Florendo, MDDr. Jessica K Milani, MD
NephrologyInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
20 Years of Experience 68 Years of Experience 60 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Chinese
Fresno , CAFresno , CAKingsburg , CAFresno , CA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Northwestern University Med School: University Of The Philippines Manila Med School: Northwestern University
Current Profile
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Insurance Plans Accepted by Dr. Gregory Scott Martinez

  • Accepts Medicare

Medical Specialties

Dr. Gregory Scott Martinez has the following 2 specialties

Specialty Expertise

Dr. Gregory Scott Martinez has the following 9 areas of expertise

  • Chronic Kidney Disease (CKD)
  • Chronic Renal Disease
  • Dialysis
  • End Stage Renal Disease (ESRD)
  • Hemodialysis
  • Internal Medicine
  • Kidney Biopsy
  • Peritoneal Dialysis
  • Urinalysis

Certifications, License, & Education

20 Years Experience

Dr. Gregory Scott Martinez holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 2006.

NPI Number

Dr. Martinez's NPI number is 1982863098.

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Frequently Asked Questions

How can I make an appointment with Dr. Gregory Martinez?
You can find contact information for Dr. Gregory Martinez here on Vitals.
Does Dr. Gregory Martinez accept virtual/telehealth appointments?
Dr. Gregory Martinez has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Gregory Martinez's office located?
Dr. Gregory Martinez's office is located at 568 E Herndon Ave Ste 201, Fresno, CA, 93720.
Which hospitals is Dr. Gregory Martinez affiliated with?
Dr. Gregory Martinez is affiliated with Saint Agnes Medical Center, Adventist Health Selma, and Kaiser Permanente Fresno Medical Center.
Does Dr. Gregory Martinez accept my insurance?
You can see the insurance plans that Dr. Gregory Martinez accepts on their Vitals profile.

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