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

Dr. Margaret Sagsveen, DO

Individual provider Anesthesiology Physician · NPI 1073054375

Dr. Margaret Sagsveen, DO is an Anesthesiology in Bay Shore, New York. Qualified in 2017, 9 years ago. Practices with North Shore - Lij Anesthesiology, PC, a 1,004-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
9
Licensed in
NY
In the registry since
2017
Specialties on file
2
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.

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Practice location Address checks out

301 E Main St
Bay Shore, NY 11706-8408
Phone: (631) 885-3885
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 111 E 210th St, Bronx, NY 10467-2401 — (718) 920-2802

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 310231-01 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1073054375
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 20, 2017
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice North Shore - Lij Anesthesiology, Pc — 1004 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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