DR. JACK M GREENWOOD MD NPI 1851396865

NPI Information

  • NPI: 1851396865
  • Provider Name: DR. JACK M GREENWOOD, MD
  • Classification: Psychiatry & Neurology - 2084N0402X
  • Specialization: Neurology with Special Qualifications in Child Neurology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 120 N COUNTRY RD
    PORT JEFFERSON, NY
    ZIP 11777
  • Phone: (631) 474-0444

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NPI Details

DR. Jack M Greenwood, MD is a neurology with special qualifications in child neurology psychiatry neurology in Port Jefferson, NY with 52 years of experience. The provider is a Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence. DR. Jack M Greenwood, MD NPI is 1851396865. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: NEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1974

The provider's business location address is:

120 N COUNTRY RD
PORT JEFFERSON, NY
ZIP 11777-604
Phone: (631) 474-0444
Fax: (631) 928-8605

The NPI 1851396865 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Testing of autonomic (sympathetic) nervous system function (HCPCS:95923)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Test to assess balance during warm and cool irrigation in both ears (HCPCS:92537)
  • Evaluation and testing for balance with recording (HCPCS:92540)
  • Test for balance and posture (HCPCS:92548)
  • Test for abnormal eye movement using a rotating chair (HCPCS:92546)
  • Nerve conduction, 11-12 studies (HCPCS:95912)

The enumeration date for this NPI number is 6/16/2005 and was last updated on 4/2/2008.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
12084N0402XPsychiatry & NeurologyNeurology with Special Qualifications in Child Neurology124686NEW YORKYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1C08041MEDICARE UPINNEW YORK
230A661MEDICARE PINNEW YORK
300664526MEDICAIDNEW YORK

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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