What is Samuel Zack's NPI number?

Samuel Zack's National Provider Identifier (NPI) is 1457739112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Samuel Zack's specialty?

Samuel Zack is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).

Where is Samuel Zack located?

Samuel Zack's practice location on file with NPPES is 1609 Marshall Ave, Rockville, MD 20851-1455.

What is Samuel Zack's phone number?

The practice phone number listed in the NPPES registry for Samuel Zack is (240) 271-3594.

Is Samuel Zack's NPI active?

Yes — Samuel Zack's NPI (1457739112) is active in the NPPES registry as of the last update on 2025-04-29.

IndividualActive

Samuel Zack, LCPC

NPI 1457739112 · Professional Counselor · Rockville, MD

Samuel Zack, LCPC is a Professional Counselor provider in Rockville, MD (NPI 1457739112).

Provider details

NPI number: 1457739112
Entity type: Individual
Primary specialty: Professional CounselorBehavioral Health & Social Service Providers
Credential: LCPC
Sex: Male
Sole proprietor: No
License: LC11329 (MD)

Specialties & taxonomies

Professional CounselorPrimary101YP2500XLicense LC11329 (MD)
Behavioral Health & Social Service Providers

Profile Score

Established profile(74/100 index)

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

Registry tenure38% of score
11 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.

Practice location

1609 Marshall Ave

Rockville, MD 20851-1455

Phone: (240) 271-3594

Street-level locationGet directions

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Mailing address