Dr Mark Ostrowski, PSYD - Medicare Psychologist in Stamford, CT

Dr Mark Ostrowski, PSYD is a medicare enrolled "Psychologist - Clinical" provider in Stamford, Connecticut. His current practice location is 999 Summer St, Suite 200, Stamford, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 967-4995.

Dr Mark Ostrowski is licensed to practice in Connecticut (license number 002433) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1700022324.

Contact Information

Dr Mark Ostrowski, PSYD
999 Summer St, Suite 200,
Stamford, CT 06905-5546
(203) 967-4995
(203) 357-9030

Map and Direction




Healthcare Provider's Profile

Full NameDr Mark Ostrowski
GenderMale
SpecialityPsychologist - Clinical
Location999 Summer St, Stamford, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1700022324
  • Provider Enumeration Date: 01/02/2009
  • Last Update Date: 05/16/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 4284686569
  • Enrollment ID: I20050215000428

Medical Identifiers

Medical identifiers for Dr Mark Ostrowski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700022324NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical 002433 (Connecticut)Primary

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 Mark Ostrowski allows following entities to bill medicare on his behalf.
Entity NameMark J. Ostrowski Psyd Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346649589
PECOS PAC ID: 0648550889
Enrollment ID: O20161206001163

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 Mark Ostrowski 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 Mark Ostrowski, PSYD
999 Summer St, Suite 200,
Stamford, CT 06905-5546

Ph: (203) 967-4995
Dr Mark Ostrowski, PSYD
999 Summer St, Suite 200,
Stamford, CT 06905-5546

Ph: (203) 967-4995

Reviews and Comments


Psychologist in Stamford, CT

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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.

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