Dr William Nana Osei, PHD - Medicare Psychologist in Brooklyn, NY

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Dr William Nana Osei, PHD is a medicare enrolled "Psychologist" provider in Brooklyn, New York. He graduated from medical school in 2020 and has 6 years of diverse experience with area of expertise as Clinical Psychologist. His current practice location is 26 Court St Ste 409, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (347) 695-8715.

Dr William Nana Osei is licensed to practice in New York (license number 024706) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1992322960.

Contact Information

Dr William Nana Osei, PHD
26 Court St Ste 409,
Brooklyn, NY 11242-1134
(347) 695-8715
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameDr William Nana Osei
GenderMale
SpecialityClinical Psychologist
Experience6 Years
Location26 Court St Ste 409, Brooklyn, New York
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William Nana Osei graduated from medical school in 2020
  NPI Data:
  • NPI Number: 1992322960
  • Provider Enumeration Date: 06/25/2020
  • Last Update Date: 12/02/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7315432770
  • Enrollment ID: I20251231000090

Medical Identifiers

Medical identifiers for Dr William Nana Osei such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992322960NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103T00000XPsychologist PS020493 (Pennsylvania)Secondary
103T00000XPsychologist 024706 (New York)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 William Nana Osei allows following entities to bill medicare on his behalf.
Entity NameGrow Healthcare Group PA
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245845932
PECOS PAC ID: 3476961368
Enrollment ID: O20220512002242

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 William Nana Osei 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 William Nana Osei, PHD
26 Court St Ste 409,
Brooklyn, NY 11242-1134

Ph: (347) 695-8715		Dr William Nana Osei, PHD
26 Court St Ste 409,
Brooklyn, NY 11242-1134

Ph: (347) 695-8715

Reviews and Comments


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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.

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