What is Brian Casserly's NPI number?

Brian Casserly's National Provider Identifier (NPI) is 1194508218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Brian Casserly's specialty?

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

Where is Brian Casserly located?

Brian Casserly's practice location on file with NPPES is 5 Coon Hollow Rd, Lloyd Harbor, NY 11743-9723.

What is Brian Casserly's phone number?

The practice phone number listed in the NPPES registry for Brian Casserly is (631) 885-8990.

Is Brian Casserly's NPI active?

Yes — Brian Casserly's NPI (1194508218) is active in the NPPES registry as of the last update on 2026-01-15.

IndividualActive

Brian Casserly

NPI 1194508218 · Mental Health Counselor · Lloyd Harbor, NY

Brian Casserly is a Mental Health Counselor provider in Lloyd Harbor, NY (NPI 1194508218).

Provider details

NPI number: 1194508218
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(51/100 index)

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

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
83% 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

5 Coon Hollow Rd

Lloyd Harbor, NY 11743-9723

Phone: (631) 885-8990

Street-level locationGet directions

More NY providers

Mailing address