Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Phillip D Klahr, MD

Internal Medicine Physician in Lawrence, NY · enumerated 2006.

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

National Provider Identifier

1821066432

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Registry record

Entity type Individual (Type 1)

Name Dr. Phillip D Klahr

Credential MD

Sex Male

Practice address 678 Cedar Lawn Ave., Lawrence, NY, 11559

Phone (516) 882-7902

Enumeration date Mar 9, 2006

Last updated in NPPES Jan 27, 2017

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License MD065384L (PA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD065384L (PA) Primary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License MD065384L (PA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 241748 (MA) Secondary

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 is the NPI number for Phillip Klahr?

The National Provider Identifier (NPI) for Phillip Klahr is 1821066432, a Type 1 (individual) record in the CMS NPPES registry.

Where does Phillip Klahr practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-27.