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

Dr Mark S. St Marie Physician PLLC

Organization Preferred Provider Organization · NPI 1346797354

Dr Mark S. St Marie Physician PLLC is a Preferred Provider Organization in West Seneca, New York. Licensed in New York. Registered with an NPI since 2016.

Licensed in
NY
In the registry since
2016
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

550 Orchard Park Rd Bldg A Ste 104
West Seneca, NY 14224-2646
Phone: (716) 671-2130
Fax: (716) 671-5346
Show map & directions

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

Specialties & licences

Preferred Provider Organization (primary) Taxonomy 305R00000X · Licence 1363121 (NY)

Record details

NPI number1346797354
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Catherine Delmonte — Office Manager · (716) 671-2130
NPI enumeratedSeptember 7, 2016
Last updated in NPPESSeptember 7, 2016
Mailing address550 Orchard Park Rd, Building A Suite 104, West Seneca, NY 14224-2646