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

Individual provider Cardiovascular Disease Physician · NPI 1245201227

John Charles Gruendel, MD is a Cardiovascular Disease (Cardiology) in Carmel, New York. Graduated from New York Medical College in 1987, 39 years ago. Practices with Optum Medical Care PC, a 1,018-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
39
Trained at
New York Medical College
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

672 Stoneleigh Ave
Carmel, NY 10512-4634
Phone: (945) 279-2000
Fax: (845) 279-7730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 175379 (NY)

Record details

NPI number1245201227
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESNovember 17, 2016
Mailing address110 S Bedford Rd, Caremount Medical Pc, Mount Kisco, NY 10549-3446

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1987 (39 years in practice)
Group practice Optum Medical Care Pc — 1018 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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