Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lawrence Martin Lieblich, MD

Dermatology Physician in Smithtown, NY · enumerated 2006 · practices at Alfred Belding MD & John Franco MD & F Gleason MD & J Dragone MD.

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

National Provider Identifier

1619985462

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Registry record

Entity type Individual (Type 1)

Name Lawrence Martin Lieblich

Credential MD

Sex Male

Practice address 9 Brooksite Dr, Smithtown, NY, 11787

Phone (631) 390-7800

Fax (631) 390-7821

Enumeration date Aug 4, 2006

Last updated in NPPES Dec 8, 2023

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 135570 (NY) Primary

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

Other identifiers

Identifier	Type	State	Issuer
68A30	Other	NY	EMPIRE BCBS
00770021	Medicaid	NY	-
11-2644403	Other	NY	EMPIRE PLAN
218790P	Other	NY	HIP
AJ48951	Other	NY	MDNY
218791P	Other	NY	HIP

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 Lawrence Lieblich?

The National Provider Identifier (NPI) for Lawrence Lieblich is 1619985462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lawrence Lieblich practice?

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

Other providers at this practice address

Browse all →

Mona Rechner Family Nurse Practitioner · Smithtown, NY NPI 1912964990 Alfred Belding MD & John Franco MD & F Gleason MD & J Dragone MD Family Medicine Physician · Smithtown, NY NPI 1336184555 John Franco Family Medicine Physician · Smithtown, NY NPI 1932134624 Kristen Obrien Family Medicine Physician · Smithtown, NY NPI 1811922529 James Dragone Family Medicine Physician · Smithtown, NY NPI 1982639670 Francis Xavier Gleason Family Medicine Physician · Smithtown, NY NPI 1396770459 Alfred Belding Family Medicine Physician · Smithtown, NY NPI 1164457958 Kevin Dolley Legal Medicine · Smithtown, NY NPI 1134133671

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-08.