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

Leonard Zimmerman, MD

Individual provider Internal Medicine Physician · NPI 1962496935

Leonard Zimmerman, MD is an Internal Medicine Physician in West Nyack, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2 Crosfield Ave Ste 318
West Nyack, NY 10994-2226
Phone: (845) 353-5600
Fax: (845) 353-5668
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 1064351 (NY)

Record details

NPI number1962496935
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2005
Last updated in NPPESMarch 15, 2011
Mailing address20 Grand St, 3rd Floor, Warwick, NY 10990-1035

Other providers in West Nyack