Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Lewin, Fagen & Lown, MD PC

Organization Internal Medicine Physician · NPI 1528134426

Lewin, Fagen & Lown, MD PC is an Internal Medicine Physician in Commack, New York. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
3
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2171 Jericho Tpke Ste 100
Commack, NY 11725-2900
Phone: (631) 864-4499
Fax: (631) 864-2693
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X
Durable Medical Equipment & Medical Supplies Taxonomy 332B00000X

Record details

NPI number1528134426
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jonathan Lown — President · (631) 343-7242
NPI enumeratedNovember 24, 2006
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026
Mailing address2171 Jericho Tpke Ste 100, Commack, NY 11725-2900

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