Dr. Jack M Greenwood
MD | Child Neurology | 51+ years Exp
120 N Country Rd, Port Jefferson
New York, 11777-2604
631-474-0444 631-928-8605
Maps & DirectionsDr. Jack M Greenwood is a Port Jefferson, New York based neurologist with 51 years of experience in Child Neurology. He completed his graduation from New York University School Of Medicine in 1974. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Jack M Greenwood is 124686 for Child Neurology in New York. His current practice location is 120 N Country Rd, Port Jefferson. Patients can reach him at 631-474-0444 or can fax him at 631-928-8605. Dr. Jack M Greenwood is MD in Child Neurology and his NPI number (Unique professional ID assigned by NPPES) is 1851396865.
Dr. Jack M Greenwood specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Complete Profile:
Dr. Jack M Greenwood speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Jack M Greenwood |
| Specialization: | Child Neurology |
| Gender: | Male |
| Credentials: | MD |
| Experience: | 51+ years |
| Medical School Attended: | New York University School Of Medicine |
| Graduation Year: | 1974 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 120 N Country Rd, Port Jefferson,
New York, 11777-2604 |
| Phone: | 631-474-0444 |
| Fax: | 631-928-8605 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 9436058674 |
| Enrollment ID: | I20040107000130 |
| NPI Number: | 1851396865 |
| NPI Enumeration Date: | 16 Jun, 2005 |
| NPI Last Update On: | 02 Apr, 2008 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Jack M Greenwood are as mentioned below.
| License Number | Specialization | State | Status | |
| 124686 | Child Neurology | New York | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Jack M Greenwood such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 00664526 | Medicaid | New York | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Jack M Greenwood
120 N Country Rd,
Port Jefferson, New York |
| Zip: | 11777-2604 |
| Phone Number: | 631-474-0444 |
| Fax Number: | 631-928-8605 |
Patients can reach Dr. Jack M Greenwood at
120 N Country Rd, Port Jefferson, New York or can
call to book an appointment on 631-474-0444.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.