Dr Jack M Greenwood, MD - Medicare Neurology in Port Jefferson, NY

Dr Jack M Greenwood, MD is a medicare enrolled "Psychiatry & Neurology - Neurology With Special Qualifications In Child Neurology" physician in Port Jefferson, New York. He went to New York University School Of Medicine and graduated in 1974 and has 50 years of diverse experience with area of expertise as Neurology. His current practice location is 120 N Country Rd, Port Jefferson, New York. You can reach out to his office (for appointments etc.) via phone at (631) 474-0444.

Dr Jack M Greenwood is licensed to practice in New York (license number 124686) 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 1851396865.

Contact Information

Dr Jack M Greenwood, MD
120 N Country Rd,
Port Jefferson, NY 11777-2604
(631) 474-0444
(631) 928-8605

Map and Direction




Physician's Profile

Full NameDr Jack M Greenwood
GenderMale
SpecialityNeurology
Experience50 Years
Location120 N Country Rd, Port Jefferson, 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 Jack M Greenwood attended and graduated from New York University School Of Medicine in 1974
  NPI Data:
  • NPI Number: 1851396865
  • Provider Enumeration Date: 06/16/2005
  • Last Update Date: 04/02/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 9436058674
  • Enrollment ID: I20040107000130

Medical Identifiers

Medical identifiers for Dr Jack M Greenwood such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851396865NPI-NPPES
00664526MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0402XPsychiatry & Neurology - Neurology With Special Qualifications In Child Neurology 124686 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Charles HospitalPort jefferson, NYHospital

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 Jack M Greenwood 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 Jack M Greenwood, MD
120 N Country Rd,
Port Jefferson, NY 11777-2604

Ph: (631) 474-0444
Dr Jack M Greenwood, MD
120 N Country Rd,
Port Jefferson, NY 11777-2604

Ph: (631) 474-0444

Reviews and Comments


Psychiatry & Neurology Doctors in Port Jefferson, NY

Dinesh Shukla, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 625 Belle Terre Rd, Suite 205, Port Jefferson, NY 11777
Phone: 631-331-0776    Fax: 631-473-4760
Ryan Berry, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 75 N Country Rd, Port Jefferson, NY 11777
Phone: 631-686-2518    
Jeena Elizabeth John,
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 75 N Country Rd, Port Jefferson, NY 11777
Phone: 631-686-2517    
Sameh Wahba, M.D
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 60 N Country Rd, Port Jefferson, NY 11777
Phone: 631-476-0776    
Dr. Christopher M Sinclair, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 254 Windward Dr, Port Jefferson, NY 11777
Phone: 631-560-7290    
Paul Fritz, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 125 Oakland Ave, Suite 303, Port Jefferson, NY 11777
Phone: 631-928-3122    Fax: 631-928-3192
Juliet A Nicolescu-nichols, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 125 Oakland Ave, Suite 303, Port Jefferson, NY 11777
Phone: 631-928-3122    Fax: 631-928-3192

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.