What is Long on's NPI number?

Long on's National Provider Identifier (NPI) is 1053627117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Long on's specialty?

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

Where is Long on located?

Long on's practice location on file with NPPES is 35 Pinewood Ct, Walnut Creek, CA 94597-3111.

What is Long on's phone number?

The practice phone number listed in the NPPES registry for Long on is (408) 547-7736.

Is Long on's NPI active?

Yes — Long on's NPI (1053627117) is active in the NPPES registry as of the last update on 2025-04-25.

IndividualActive

Long on, PSY.D.

NPI 1053627117 · Clinical Psychologist · Walnut Creek, CA

Long on, PSY.D. is a Clinical Psychologist provider in Walnut Creek, CA (NPI 1053627117).

Provider details

NPI number: 1053627117
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PSY.D.
Sex: Male
Sole proprietor: Yes
License: 34774 (CA)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 34774 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(83/100 index)

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

Registry tenure38% of score
15 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

35 Pinewood Ct

Walnut Creek, CA 94597-3111

Phone: (408) 547-7736

Street-level locationGet directions

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Mailing address