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

Dr. Marianne W Tateosian, DO

Individual provider Child & Adolescent Psychiatry Physician · NPI 1649403874

Dr. Marianne W Tateosian, DO is a Psychiatry in Commack, New York. Graduated from Nova Southeastern College of Osteo Medicine in 2009, 17 years ago. Practices with Stony Brook Psychiatric Associates University Faculty Practice Corpor, a 101-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New York and Wisconsin.

Years since qualifying
17
Trained at
Nova Southeastern College of Osteo Medicine
Licensed in
NY, WI
In the registry since
2009
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

500 Commack Rd Ste 105
Commack, NY 11725-5020
Phone: (631) 632-9510
Fax: (631) 216-8319
Show map & directions

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

Additional practice locations (1)

  • 3340 Bainbridge Ave, Bronx, NY 10467 — (718) 696-3011

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 268594-1 (NY)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 68136 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1649403874
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedSeptember 4, 2009
Last updated in NPPESAugust 4, 2020
Certification dateAugust 4, 2020

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolNOVA SOUTHEASTERN COLLEGE OF OSTEO MEDICINE
Graduated 2009 (17 years in practice)
Group practice Stony Brook Psychiatric Associates University Faculty Practice Corpor — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Commack