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

Individual provider Medical Physician Assistant · NPI 1902993561

Mrs. Marianna Koss, PA is a Physician Assistant in New York, New York. Qualified in 1997, 29 years ago. Practices with Maimonides Faculty Practice Plan, a 246-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
29
Licensed in
NY
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

425 E 61st St 4th Fl
New York, NY 10021-8722
Phone: (212) 752-2900
Fax: (212) 752-2949
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 006256-1 (NY)

Record details

NPI number1902993561
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorYes
NPI enumeratedOctober 6, 2006
Last updated in NPPESMarch 18, 2009

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Maimonides Faculty Practice Plan — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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