What is Marcella Karp's NPI number?

Marcella Karp's National Provider Identifier (NPI) is 1346055597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marcella Karp's specialty?

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

Where is Marcella Karp located?

Marcella Karp's practice location on file with NPPES is 6813 Tilden Ln, N Bethesda, MD 20852-4545.

What is Marcella Karp's phone number?

The practice phone number listed in the NPPES registry for Marcella Karp is (240) 723-5233.

Is Marcella Karp's NPI active?

Yes — Marcella Karp's NPI (1346055597) is active in the NPPES registry as of the last update on 2025-02-12.

IndividualActive

Marcella Karp, LCPC

NPI 1346055597 · Professional Counselor · N Bethesda, MD

Marcella Karp, LCPC is a Professional Counselor provider in N Bethesda, MD (NPI 1346055597).

Provider details

NPI number: 1346055597
Entity type: Individual
Primary specialty: Professional CounselorBehavioral Health & Social Service Providers
Credential: LCPC
Sex: Female
Sole proprietor: Yes
License: LC15602 (MD)

Specialties & taxonomies

Professional CounselorPrimary101YP2500XLicense LC15602 (MD)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 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
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

6813 Tilden Ln

N Bethesda, MD 20852-4545

Phone: (240) 723-5233

Street-level locationGet directions

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Mailing address