Garrick Chang, M.D.
NPI 1952308041 · Radiation Oncology Physician · Sacramento, CA
Garrick Chang, M.D. is a Radiation Oncology Physician provider in Sacramento, CA (NPI 1952308041).
Provider details
- NPI number
- 1952308041
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G66644 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2014-10-10
Frequently asked questions
- What is Garrick Chang's NPI number?
- Garrick Chang's National Provider Identifier (NPI) is 1952308041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Garrick Chang's specialty?
- Garrick Chang is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Garrick Chang located?
- Garrick Chang's practice location on file with NPPES is 2801 K St Ste 502, Sacramento, CA 95816-5119.
- What is Garrick Chang's phone number?
- The practice phone number listed in the NPPES registry for Garrick Chang is (916) 646-8300.
- Is Garrick Chang's NPI active?
- Yes — Garrick Chang's NPI (1952308041) is active in the NPPES registry as of the last update on 2014-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.