What is Nathanial Chapman's NPI number?

Nathanial Chapman's National Provider Identifier (NPI) is 1477885010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nathanial Chapman's specialty?

Nathanial Chapman is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Nathanial Chapman located?

Nathanial Chapman's practice location on file with NPPES is 2100 Napa Vallejo Hwy, Napa, CA 94558-6293.

What is Nathanial Chapman's phone number?

The practice phone number listed in the NPPES registry for Nathanial Chapman is (707) 253-5021.

Is Nathanial Chapman's NPI active?

Yes — Nathanial Chapman's NPI (1477885010) is active in the NPPES registry as of the last update on 2014-03-28.

IndividualActive

Nathanial Chapman, PH.D.

NPI 1477885010 · Psychologist · Napa, CA

Nathanial Chapman, PH.D. is a Psychologist provider in Napa, CA (NPI 1477885010).

Provider details

NPI number: 1477885010
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: No
License: PSY21835 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY21835 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(84/100 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

2100 Napa Vallejo Hwy

Napa, CA 94558-6293

Phone: (707) 253-5021

Street-level locationGet directions

More CA providers

Mailing address