Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Lawrence Pytlewski, MD

Cognitive & Behavioral Psychologist in Snow Hill, MD · enumerated 2006.

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

National Provider Identifier

1902998404

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Registry record

Entity type Individual (Type 1)

Name Dr. David Lawrence Pytlewski

Credential MD

Sex Male

Practice address 422 W Market St, Snow Hill, MD, 21863

Phone (410) 632-1100

Enumeration date Sep 29, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers · License D0038548 (MD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 specialty is David Pytlewski?

David Pytlewski is registered in NPPES with the primary taxonomy of Cognitive & Behavioral Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Sandy Smith Social Worker · Snow Hill, MD NPI 1952482937 Tonya Dix School Social Worker · Snow Hill, MD NPI 1679643159 Kerri Daye Addiction (Substance Use Disorder) Counselor · Snow Hill, MD NPI 1730243460 George Malin Addiction (Substance Use Disorder) Counselor · Snow Hill, MD NPI 1104981372 Julie Warren Addiction (Substance Use Disorder) Counselor · Snow Hill, MD NPI 1831241231

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.