What is Mary Lewis's NPI number?

Mary Lewis's National Provider Identifier (NPI) is 1508704933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Lewis's specialty?

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

Where is Mary Lewis located?

Mary Lewis's practice location on file with NPPES is 1871 Piedras Cir, Alamo, CA 94507-2823.

What is Mary Lewis's phone number?

The practice phone number listed in the NPPES registry for Mary Lewis is (925) 413-9160.

Is Mary Lewis's NPI active?

Yes — Mary Lewis's NPI (1508704933) is active in the NPPES registry as of the last update on 2026-03-24.

IndividualActive

Mary Lewis, PPS, ED.S

NPI 1508704933 · School Psychologist · Alamo, CA

Mary Lewis, PPS, ED.S is a School Psychologist provider in Alamo, CA (NPI 1508704933).

Provider details

NPI number: 1508704933
Entity type: Individual
Primary specialty: School PsychologistBehavioral Health & Social Service Providers
Credential: PPS, ED.S
Sex: Female
Sole proprietor: No
License: 220103137 (CA)

Specialties & taxonomies

School PsychologistPrimary103TS0200XLicense 220103137 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1871 Piedras Cir

Alamo, CA 94507-2823

Phone: (925) 413-9160

Street-level locationGet directions

More CA providers

Mailing address