What is Merrick Larson's NPI number?

Merrick Larson's National Provider Identifier (NPI) is 1518722966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Merrick Larson's specialty?

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

Where is Merrick Larson located?

Merrick Larson's practice location on file with NPPES is 100 Pinewild Dr Ste 2a, Rochester, NY 14606-4200.

What is Merrick Larson's phone number?

The practice phone number listed in the NPPES registry for Merrick Larson is (585) 368-6700.

Is Merrick Larson's NPI active?

Yes — Merrick Larson's NPI (1518722966) is active in the NPPES registry as of the last update on 2025-09-10.

IndividualActive

Merrick Larson

NPI 1518722966 · Mental Health Counselor · Rochester, NY

Merrick Larson is a Mental Health Counselor provider in Rochester, NY (NPI 1518722966).

Provider details

NPI number: 1518722966
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(50/100 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

100 Pinewild Dr Ste 2a

Rochester, NY 14606-4200

Phone: (585) 368-6700

Fax: (585) 368-6767

Street-level locationGet directions

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Mailing address