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

Guillaume Bassil, MD

Individual provider Interventional Cardiology Physician · NPI 1235524372

Guillaume Bassil, MD is a Cardiovascular Disease (Cardiology) in New York, New York. Qualified in 2013, 13 years ago. Practices with City Medical of Upper East Side PLLC, a 663-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and New York.

Years since qualifying
13
Licensed in
CT, NY
In the registry since
2015
Specialties on file
3
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

18 W 18th St
New York, NY 10011-4607
Phone: (917) 512-8500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2200 Whitney Ave Ste 180, Hamden, CT 06518-3602 — (203) 407-2500

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 67298 (CT)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 67298 (CT)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 293038 (NY)

Record details

NPI number1235524372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2015
Last updated in NPPESFebruary 13, 2026
Certification dateFebruary 13, 2026

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice City Medical Of Upper East Side Pllc — 663 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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