What is Gregory Chang's NPI number?

Gregory Chang's National Provider Identifier (NPI) is 1164502258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Chang's specialty?

Gregory Chang is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).

Where is Gregory Chang located?

Gregory Chang's practice location on file with NPPES is 4860 Y St Ste 3700, Sacramento, CA 95817-2307.

What is Gregory Chang's phone number?

The practice phone number listed in the NPPES registry for Gregory Chang is (916) 734-6280.

Is Gregory Chang's NPI active?

Yes — Gregory Chang's NPI (1164502258) is active in the NPPES registry as of the last update on 2013-11-19.

IndividualActive

Gregory Chang, MD

NPI 1164502258 · Neurology Physician · Sacramento, CA

Gregory Chang, MD is a Neurology Physician provider in Sacramento, CA (NPI 1164502258).

Provider details

NPI number: 1164502258
Entity type: Individual
Primary specialty: Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: G40744 (CA)

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense G40744 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 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

4860 Y St Ste 3700

Uc Davis Medical Center

Sacramento, CA 95817-2307

Phone: (916) 734-6280

Fax: (916) 734-6525

Street-level locationGet directions

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Mailing address