What is Mary Klein's NPI number?

Mary Klein's National Provider Identifier (NPI) is 1881103836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Klein's specialty?

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

Where is Mary Klein located?

Mary Klein's practice location on file with NPPES is 604 Solarex Ct Unit 201, Frederick, MD 21703-8655.

What is Mary Klein's phone number?

The practice phone number listed in the NPPES registry for Mary Klein is (301) 663-8263.

Is Mary Klein's NPI active?

Yes — Mary Klein's NPI (1881103836) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActive

Mary Klein, LCSW-C

NPI 1881103836 · Clinical Social Worker · Frederick, MD

Mary Klein, LCSW-C is a Clinical Social Worker provider in Frederick, MD (NPI 1881103836).

Provider details

NPI number: 1881103836
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW-C
Sex: Female
Sole proprietor: No
License: 20467 (MD)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 20467 (MD)
Behavioral Health & Social Service Providers

Profile Score

Established profile(69/100 index)

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

Registry tenure38% of score
8 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

604 Solarex Ct Unit 201

Frederick, MD 21703-8655

Phone: (301) 663-8263

Fax: (301) 682-5326

Street-level locationGet directions

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Mailing address