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Gregg Lewis, PSYD
NPI 1184891996 · Clinical Psychologist · Woodbridge, CA
Gregg Lewis, PSYD is a Clinical Psychologist provider in Woodbridge, CA (NPI 1184891996).
Provider details
- NPI number
- 1184891996
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY15313 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
18826 N Lower Sacramento Rd
Suite C
Woodbridge, CA 95258-9290
Phone: (209) 368-2532
Street-level locationGet directions
Mailing address
18826 Lower Sacramento Rd.
Woodbridge, CA 95258-9290
Registry dates
- Enumerated
- 2008-05-12
- Last updated
- 2010-11-03
Frequently asked questions
- What is Gregg Lewis's NPI number?
- Gregg Lewis's National Provider Identifier (NPI) is 1184891996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Lewis's specialty?
- Gregg Lewis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregg Lewis located?
- Gregg Lewis's practice location on file with NPPES is 18826 N Lower Sacramento Rd, Woodbridge, CA 95258-9290.
- What is Gregg Lewis's phone number?
- The practice phone number listed in the NPPES registry for Gregg Lewis is (209) 368-2532.
- Is Gregg Lewis's NPI active?
- Yes — Gregg Lewis's NPI (1184891996) is active in the NPPES registry as of the last update on 2010-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.