Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Doris C Strange, LCSW

Social Worker in Silver Spring, MD · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1194867408

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Registry record

Entity type Individual (Type 1)

Name Mrs. Doris C Strange

Credential LCSW

Sex Female

Practice address Silver Spring, MD, 20903

Phone (301) 431-2500

Fax (301) 439-5927

Enumeration date Feb 13, 2007

Last updated in NPPES Feb 22, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 01066 (MD) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
118941700	Medicaid	MD	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Doris Strange?

The National Provider Identifier (NPI) for Doris Strange is 1194867408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Doris Strange practice?

The practice location on file with NPPES is in Silver Spring, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-22.