Dr John Thomas Maher, MD - Medicare Obstetrics/gynecology in Brooklyn, NY

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Dr John Thomas Maher, MD is a medicare enrolled "Specialist" physician in Brooklyn, New York. He went to Rutgers New Jersey Medical School and graduated in 1989 and has 35 years of diverse experience with area of expertise as Obstetrics/gynecology. His current practice location is 110 4th Ave # Levelc, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (712) 238-4535.

Dr John Thomas Maher is licensed to practice in New York (license number 184820) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1437238581.

Contact Information

Dr John Thomas Maher, MD
110 4th Ave # Levelc,
Brooklyn, NY 11217-2787
(712) 238-4535
(718) 921-3448

Map and Direction




Physician's Profile

Full NameDr John Thomas Maher
GenderMale
SpecialityObstetrics/gynecology
Experience35 Years
Location110 4th Ave # Levelc, Brooklyn, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Thomas Maher attended and graduated from Rutgers New Jersey Medical School in 1989
  NPI Data:
  • NPI Number: 1437238581
  • Provider Enumeration Date: 11/02/2006
  • Last Update Date: 03/19/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1759425960
  • Enrollment ID: I20100225000252

Medical Identifiers

Medical identifiers for Dr John Thomas Maher such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437238581NPI-NPPES
01511953MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 184820 (New York)Secondary
174400000XSpecialist 184820 (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 John Thomas Maher allows following entities to bill medicare on his behalf.
Entity NamePark Slope Obstetrics & Gynecology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487604963
PECOS PAC ID: 5395637151
Enrollment ID: O20040326000415
Entity NameBrooklyn Women's Health Care Mds Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124149018
PECOS PAC ID: 6901082429
Enrollment ID: O20110518000566
Entity NameKings Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083045090
PECOS PAC ID: 0547579427
Enrollment ID: O20151015000175

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 John Thomas Maher 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 John Thomas Maher, MD
110 4th Ave # Levelc,
Brooklyn, NY 11217-2787

Ph: (718) 852-5810		Dr John Thomas Maher, MD
110 4th Ave # Levelc,
Brooklyn, NY 11217-2787

Ph: (712) 238-4535

Reviews and Comments



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.