What is Gregory Lew's NPI number?

Gregory Lew's National Provider Identifier (NPI) is 1811622061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Lew's specialty?

Gregory Lew is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Gregory Lew located?

Gregory Lew's practice location on file with NPPES is 3118 Clayton Rd Ste 4, Concord, CA 94519-2733.

What is Gregory Lew's phone number?

The practice phone number listed in the NPPES registry for Gregory Lew is (415) 823-3572.

Is Gregory Lew's NPI active?

Yes — Gregory Lew's NPI (1811622061) is active in the NPPES registry as of the last update on 2026-01-27.

IndividualActive

Gregory Lew, D.C.

NPI 1811622061 · Chiropractor · Concord, CA

Gregory Lew, D.C. is a Chiropractor provider in Concord, CA (NPI 1811622061).

Provider details

NPI number: 1811622061
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: D.C.
Sex: Male
Sole proprietor: No
License: 34958 (CA)

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense 34958 (CA)
Chiropractic Providers

Profile Score

Established profile(60/100 index)

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

Registry tenure38% of score
3 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

3118 Clayton Rd Ste 4

Concord, CA 94519-2733

Phone: (415) 823-3572

Street-level locationGet directions

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Mailing address