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

Dr. Ashish Harji Kalthia, MD

Individual provider Specialist · NPI 1508880659

Dr. Ashish Harji Kalthia, MD is a Nephrology in Garden Grove, California. Graduated from University of California, Geffen School of Medicine in 2000, 26 years ago. Practices with Southern California Kidney Consultants Inc, a 21-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Trained at
University of California, Geffen 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.

See every abbreviation used in this directory →

Practice location Address checks out

12665 Garden Grove Blvd Ste 211
Garden Grove, CA 92843-1916
Phone: (714) 636-2890
Fax: (714) 636-2909
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A78472 (CA)

Record details

NPI number1508880659
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESNovember 29, 2023
Certification dateNovember 29, 2023

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Southern California Kidney Consultants Inc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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