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

Mr. Zachary D Fleischner, MD

Individual provider Infectious Disease Physician · NPI 1104204189

Mr. Zachary D Fleischner, MD is an Internal Medicine in Valhalla, New York. Qualified in 2015, 11 years ago. Practices with Arnot Ogden Medical Center, a 217-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
11
Licensed in
NY
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 Woods Rd
Valhalla, NY 10595-1530
Phone: (914) 493-6616
Fax: (914) 493-5827
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 305966 (NY)

Record details

NPI number1104204189
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2015
Last updated in NPPESJuly 15, 2020
Certification dateJuly 15, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Arnot Ogden Medical Center — 217 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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