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

Marissa McCay, MD

Individual provider Sports Medicine (Internal Medicine) Physician · NPI 1972922441

Marissa McCay, MD is a Family Practice in West Harrison, New York. Qualified in 2014, 12 years ago. Practices with Trustees of Columbia University in the City of New York, a 2,250-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
12
Licensed in
NY
In the registry since
2014
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

1111 Westchester Ave
West Harrison, NY 10604-3525
Phone: (212) 305-9137
Fax: (212) 304-7050
Show map & directions

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

Additional practice locations (2)

  • 51 W 51st St, New York, NY 10019-6113 — (212) 305-4565
  • 161 Fort Washington Ave, New York, NY 10032-3729 — (212) 305-4565

Specialties & licences

Sports Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0010X · Licence 325177 (NY)

Record details

NPI number1972922441
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2014
Last updated in NPPESOctober 16, 2025
Certification dateOctober 16, 2025
Mailing address622 W 168th St Ph 111130, New York, NY 10032-3720

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Trustees Of Columbia University In The City Of New York — 2250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services