What is Jacob Chacko's NPI number?

Jacob Chacko's National Provider Identifier (NPI) is 1245563949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jacob Chacko's specialty?

Jacob Chacko is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Jacob Chacko located?

Jacob Chacko's practice location on file with NPPES is 2345 California St Ste 5, San Francisco, CA 94115-2722.

What is Jacob Chacko's phone number?

The practice phone number listed in the NPPES registry for Jacob Chacko is (415) 857-3624.

Is Jacob Chacko's NPI active?

Yes — Jacob Chacko's NPI (1245563949) is active in the NPPES registry as of the last update on 2026-03-30.

IndividualActive

Jacob Chacko, M.D.

NPI 1245563949 · Psychiatry Physician · San Francisco, CA

Jacob Chacko, M.D. is a Psychiatry Physician provider in San Francisco, CA (NPI 1245563949).

Provider details

NPI number: 1245563949
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A131541 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense A131541 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(85/100 index)

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

Registry tenure38% of score
16 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

2345 California St Ste 5

San Francisco, CA 94115-2722

Phone: (415) 857-3624

Fax: (650) 285-1793

Street-level locationGet directions

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Mailing address