Dr Marianne W Tateosian, DO - Medicare Psychiatry in Commack, NY

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Dr Marianne W Tateosian, DO is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Commack, New York. She went to Nova Southeastern College Of Osteo Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Psychiatry. She is a member of the group practice Stony Brook Psychiatric Associates University Faculty Practice Corpor, County Of Richland and her current practice location is 500 Commack Rd Ste 105, Commack, New York. You can reach out to her office (for appointments etc.) via phone at (631) 632-9510.

Dr Marianne W Tateosian is licensed to practice in New York (license number 268594-1) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1649403874.

Contact Information

Dr Marianne W Tateosian, DO
500 Commack Rd Ste 105,
Commack, NY 11725-5020
(631) 632-9510
(631) 216-8319

Map and Direction




Physician's Profile

Full NameDr Marianne W Tateosian
GenderFemale
SpecialityPsychiatry
Experience15 Years
Location500 Commack Rd Ste 105, Commack, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Marianne W Tateosian attended and graduated from Nova Southeastern College Of Osteo Medicine in 2009
  NPI Data:
  • NPI Number: 1649403874
  • Provider Enumeration Date: 09/04/2009
  • Last Update Date: 08/04/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8527286285
  • Enrollment ID: I20140822000385

Medical Identifiers

Medical identifiers for Dr Marianne W Tateosian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649403874NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0804XPsychiatry & Neurology - Child & Adolescent Psychiatry 68136 (Wisconsin)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 268594-1 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Stony Brook Psychiatric Associates University Faculty Practice Corpor731583673179
County Of Richland22643353553

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 Marianne W Tateosian 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 NameStony Brook Psychiatric Associates University Faculty Practice Corpor
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437105905
PECOS PAC ID: 7315836731
Enrollment ID: O20040313000174
Entity NameNorth Shore - Lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262

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 Marianne W Tateosian 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 Marianne W Tateosian, DO
Po Box 1559,
Stony Brook, NY 11790-0989

Ph: (631) 444-0650		Dr Marianne W Tateosian, DO
500 Commack Rd Ste 105,
Commack, NY 11725-5020

Ph: (631) 632-9510

Reviews and Comments


Psychiatry & Neurology Doctors in Commack, NY

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Dr. Bob Kalani, M.D
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Dr. Alan B Ettinger, MD
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Dr. Marsha Alexander, D.O
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Practice Location: 356 Veterans Memorial Hwy, Suite Number 6, Commack, NY 11725
Phone: 516-779-3300    

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).

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