What is Jillian Buck's NPI number?

Jillian Buck's National Provider Identifier (NPI) is 1821957416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jillian Buck's specialty?

Jillian Buck is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Jillian Buck located?

Jillian Buck's practice location on file with NPPES is 83 State Rd, Erving, MA 01344-9732.

What is Jillian Buck's phone number?

The practice phone number listed in the NPPES registry for Jillian Buck is (413) 768-7546.

Is Jillian Buck's NPI active?

Yes — Jillian Buck's NPI (1821957416) is active in the NPPES registry as of the last update on 2026-01-19.

IndividualActive

Jillian Buck, PHD, LMHC

NPI 1821957416 · Mental Health Counselor · Erving, MA

Jillian Buck, PHD, LMHC is a Mental Health Counselor provider in Erving, MA (NPI 1821957416).

Provider details

NPI number: 1821957416
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: PHD, LMHC
Sex: Female
Sole proprietor: Yes
License: LMHC10005268 (MA)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense LMHC10005268 (MA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 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

83 State Rd

Erving, MA 01344-9732

Phone: (413) 768-7546

Street-level locationGet directions

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Mailing address