What is Alessandra Slavin's NPI number?

Alessandra Slavin's National Provider Identifier (NPI) is 1811215015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alessandra Slavin's specialty?

Alessandra Slavin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Alessandra Slavin located?

Alessandra Slavin's practice location on file with NPPES is 2919 Olney Sandy Spring Rd Ste C, Olney, MD 20832-1588.

What is Alessandra Slavin's phone number?

The practice phone number listed in the NPPES registry for Alessandra Slavin is (301) 613-5416.

Does Alessandra Slavin accept Medicare?

Alessandra Slavin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Alessandra Slavin's NPI active?

Yes — Alessandra Slavin's NPI (1811215015) is active in the NPPES registry as of the last update on 2024-04-24.

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Alessandra Slavin, LCSW-C

NPI 1811215015 · Clinical Social Worker · Olney, MD

Alessandra Slavin, LCSW-C is a Clinical Social Worker provider in Olney, MD (NPI 1811215015).

Provider details

NPI number: 1811215015
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW-C
Sex: Female
Sole proprietor: Yes
License: 11793 (MD)

Practice location

2919 Olney Sandy Spring Rd Ste C

Olney, MD 20832-1588

Phone: (301) 613-5416

Street-level locationGet directions

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Mailing address

2919 Olney Sandy Spring Rd Ste C

Olney, MD 20832-1588

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 11793 (MD)
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
16 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.

Enumerated: 2010-05-12
Last updated: 2024-04-24
Certified: 2024-04-24

Frequently asked questions

What is Alessandra Slavin's NPI number?: Alessandra Slavin's National Provider Identifier (NPI) is 1811215015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Alessandra Slavin's specialty?: Alessandra Slavin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Alessandra Slavin located?: Alessandra Slavin's practice location on file with NPPES is 2919 Olney Sandy Spring Rd Ste C, Olney, MD 20832-1588.
What is Alessandra Slavin's phone number?: The practice phone number listed in the NPPES registry for Alessandra Slavin is (301) 613-5416.
Does Alessandra Slavin accept Medicare?: Alessandra Slavin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Alessandra Slavin's NPI active?: Yes — Alessandra Slavin's NPI (1811215015) is active in the NPPES registry as of the last update on 2024-04-24.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions