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

Chang S Joo, MD

Individual provider Nephrology Physician · NPI 1508868787

Chang S Joo, MD is a Nephrology in Modesto, California. Qualified in 1980, 46 years ago. Practices with Modesto Kidney Medical Group, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
46
Licensed in
CA
In the registry since
2005
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

305 E Granger Ave Ste 202
Modesto, CA 95350-4344 Not confirmed with CMS for 18 years — call before visiting
Phone: (209) 526-1606
Fax: (209) 526-1677
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A481920 (CA)

Record details

NPI number1508868787
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2005
Last updated in NPPESFebruary 22, 2008

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice Modesto Kidney Medical Group — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Modesto