What is Francis Ko's NPI number?

Francis Ko's National Provider Identifier (NPI) is 1912102179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Francis Ko's specialty?

Francis Ko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Francis Ko located?

Francis Ko's practice location on file with NPPES is 355 Tuolumne St, Vallejo, CA 94590-5700.

What is Francis Ko's phone number?

The practice phone number listed in the NPPES registry for Francis Ko is (707) 553-5509.

Is Francis Ko's NPI active?

Yes — Francis Ko's NPI (1912102179) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Francis Ko, M.D.

NPI 1912102179 · Family Medicine Physician · Vallejo, CA

Francis Ko, M.D. is a Family Medicine Physician provider in Vallejo, CA (NPI 1912102179).

Provider details

NPI number: 1912102179
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: A62309 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense A62309 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 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

355 Tuolumne St

Vallejo, CA 94590-5700

Phone: (707) 553-5509

Street-level locationGet directions

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Mailing address