Dr Margaret Sagsveen, DO - Medicare Anesthesiology in Bay Shore, NY

Dr Margaret Sagsveen, DO is a medicare enrolled "Anesthesiology" physician in Bay Shore, New York. She graduated from medical school in 2017 and has 7 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice North Shore - Lij Anesthesiology, Pc and her current practice location is 301 E Main St, Bay Shore, New York. You can reach out to her office (for appointments etc.) via phone at (631) 885-3885.

Dr Margaret Sagsveen is licensed to practice in New York (license number 310231-01) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1073054375.

Contact Information

Dr Margaret Sagsveen, DO
301 E Main St,
Bay Shore, NY 11706-8408
(631) 885-3885
Not Available

Map and Direction




Physician's Profile

Full NameDr Margaret Sagsveen
GenderFemale
SpecialityAnesthesiology
Experience7 Years
Location301 E Main St, Bay Shore, New York
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Margaret Sagsveen graduated from medical school in 2017
  NPI Data:
  • NPI Number: 1073054375
  • Provider Enumeration Date: 03/20/2017
  • Last Update Date: 05/29/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4789923673
  • Enrollment ID: I20220303001283

Medical Identifiers

Medical identifiers for Dr Margaret Sagsveen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073054375NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 310231-01 (New York)Primary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ns/lij Hs Southside HospitalBay shore, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore - Lij Anesthesiology, Pc1153602453796

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Margaret Sagsveen allows following entities to bill medicare on her behalf.
Entity NameMontefiore Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063525152
PECOS PAC ID: 3779496021
Enrollment ID: O20031113000235
Entity NameNorth Shore - Lij Anesthesiology, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417401266
PECOS PAC ID: 1153602453
Enrollment ID: O20161228001498

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Margaret Sagsveen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Margaret Sagsveen, DO
33 Grayon Dr,
Dix Hills, NY 11746-5407

Ph: (631) 885-3885
Dr Margaret Sagsveen, DO
301 E Main St,
Bay Shore, NY 11706-8408

Ph: (631) 885-3885

Reviews and Comments


Anesthesiology Doctors in Bay Shore, NY

Lawrence Kopsick, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 301 E Main St, Bay Shore, NY 11706
Phone: 631-968-3000    
Josette Legaspi-tamayo, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 301 E Main St, Anesthesia Department, Bay Shore, NY 11706
Phone: 631-968-3163    
Mitchell Oldshein, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 301 E Main St, Anesthesia Department, Bay Shore, NY 11706
Phone: 631-968-3163    
Brittany Lee Mulligan, CRNA
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 301 E Main St, Bay Shore, NY 11706
Phone: 631-968-3000    
Michael Caponigro, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 301 E Main St, Bay Shore, NY 11706
Phone: 631-968-3000    
Alexander Shukis, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 301 E Main St, Anesthesia Department, Bay Shore, NY 11706
Phone: 631-968-3163    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.