What is Daniel Greig's NPI number?

Daniel Greig's National Provider Identifier (NPI) is 1336693563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Daniel Greig's specialty?

Daniel Greig is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Daniel Greig located?

Daniel Greig's practice location on file with NPPES is 425 Lake Ave N, Worcester, MA 01605-2072.

What is Daniel Greig's phone number?

The practice phone number listed in the NPPES registry for Daniel Greig is (617) 402-5444.

Is Daniel Greig's NPI active?

Yes — Daniel Greig's NPI (1336693563) is active in the NPPES registry as of the last update on 2025-01-29.

IndividualActive

Daniel Greig

NPI 1336693563 · Behavior Analyst · Worcester, MA

Daniel Greig is a Behavior Analyst provider in Worcester, MA (NPI 1336693563).

Provider details

NPI number: 1336693563
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: LABA10000956 (MA)

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense LABA10000956 (MA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(71/100 index)

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

Registry tenure38% of score
9 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

425 Lake Ave N

Worcester, MA 01605-2072

Phone: (617) 402-5444

Street-level locationGet directions

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Mailing address