What is Alexander Sergeev's NPI number?

Alexander Sergeev's National Provider Identifier (NPI) is 1861285934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alexander Sergeev's specialty?

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

Where is Alexander Sergeev located?

Alexander Sergeev's practice location on file with NPPES is 2357 Stuart St, Brooklyn, NY 11229-5813.

What is Alexander Sergeev's phone number?

The practice phone number listed in the NPPES registry for Alexander Sergeev is (718) 300-0268.

Is Alexander Sergeev's NPI active?

Yes — Alexander Sergeev's NPI (1861285934) is active in the NPPES registry as of the last update on 2025-05-22.

IndividualActive

Alexander Sergeev, MHC-LP

NPI 1861285934 · Mental Health Counselor · Brooklyn, NY

Alexander Sergeev, MHC-LP is a Mental Health Counselor provider in Brooklyn, NY (NPI 1861285934).

Provider details

NPI number: 1861285934
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Credential: MHC-LP
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

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

Registry tenure38% of score
1 yr 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

2357 Stuart St

Brooklyn, NY 11229-5813

Phone: (718) 300-0268

Street-level locationGet directions

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Mailing address