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

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.

See every abbreviation used in this directory →

Practice location Address checks out

305 E Granger Ave Ste 202
Modesto, CA 95350-4344
Phone: (209) 526-1606
Fax: (209) 526-1677
Show map & directions

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
Mailing address305 E Granger Ave, Ste 202, Modesto, CA 95350-4344

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

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