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

Gary Guo, MD

Individual provider Internal Medicine Physician · NPI 1932129582

Gary Guo, MD is an Internal Medicine in Valhalla, New York. Qualified in 1982, 44 years ago. Practices with Westchester Medical Center Advanced Physician Services PC, a 880-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
44
Licensed in
NY
In the registry since
2006
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

95 Grasslands Rd-Nymc Dept OF Medicine-Munger Pavilion
Valhalla, NY 10595
Phone: (914) 493-8370
Fax: (914) 594-4434
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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 · Licence 234103 (NY)

Record details

NPI number1932129582
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESFebruary 29, 2008
Mailing address95 Grasslands Rd-Nymc, Dept Of Medicine-Munger Pavilion, Valhalla, NY 10595

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Westchester Medical Center Advanced Physician Services Pc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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