What is Gregory Harris's NPI number?

Gregory Harris's National Provider Identifier (NPI) is 1134498504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Harris's specialty?

Gregory Harris is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Gregory Harris located?

Gregory Harris's practice location on file with NPPES is 3900 Woodland Ave, Philadelphia, PA 19104-4551.

What is Gregory Harris's phone number?

The practice phone number listed in the NPPES registry for Gregory Harris is (215) 823-5800.

Is Gregory Harris's NPI active?

Yes — Gregory Harris's NPI (1134498504) is active in the NPPES registry as of the last update on 2025-12-16.

IndividualActive

Gregory Harris, LMSW

NPI 1134498504 · Social Worker · Philadelphia, PA

Gregory Harris, LMSW is a Social Worker provider in Philadelphia, PA (NPI 1134498504).

Provider details

NPI number: 1134498504
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW
Sex: Male
Sole proprietor: No
License: 0000009091 (PA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 0000009091 (PA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(80/100 index)

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

Registry tenure38% of score
14 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

3900 Woodland Ave

Philadelphia, PA 19104-4551

Phone: (215) 823-5800

Street-level locationGet directions

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Mailing address