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DR. HOWARD C GREEN DC
NPI 1639154941
Chiropractor in Islandia, NY

Active since December 08, 2005
1050 OLD NICHOLS RD, ISLANDIA, NY 11749(631) 646-2433(631) 249-1793 Get Directions Write a Review

NPPES record last updated: May 18, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 18, 2025, Dec 13, 2024, Dec 5, 2024 and 3 more (6 updates tracked since 2016).

About Dr. Howard C Green Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HOWARD C GREEN DC (NPI 1639154941) is an individual chiropractor in Islandia, New York, licensed in New York (X007953) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1639154941
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. HOWARD C GREENCredential: DC
Location Address1050 OLD NICHOLS RDIslandia, NY 11749-5026
Mailing AddressPo Box 1359Melville, NY 11747-0308 · (631) 646-2256 · Fax (631) 249-1793
Phone(631) 646-2433
Fax(631) 249-1793
Sole ProprietorYes
Enumeration DateDecember 8, 2005
Last NPPES UpdateMay 18, 20256 updates tracked since enumeration
NPPES CertifiedMay 18, 2025
✔ NPI 1639154941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in NY · X007953✔ Licensed in VA · 0104556324✔ Licensed in NC · 3382
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
1050 OLD NICHOLS RD, Islandia, NY 11749
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Other Identifiers 1

Medicaid01768047NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Howard C Green Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Howard Green reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Suffolk Physical Therapy & Chiropractic, PLLC
13 mi
Chiropractor
740 WALT WHITMAN RD
Melville, NY 11747
  • Reassigned Medicare billing, New York enrollment
  • 16 clinicians in this Medicare group
NPI 1417564253 (631) 646-2256

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS CLAUDIA DEDEI MENSAH NP
Nurse Practitioner (Adult Health)
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (516) 444-7135
AFNAN AHMED ALHADHARI
Physician Assistant
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (631) 828-4545
FIZA AHMADI PA-C
Physician Assistant
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (516) 728-7327
MRS. JESSICA MARIE DONOFRIO PA-C
Physician Assistant (Medical)
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (631) 828-4545
ADRA MEDICAL PLLC
Pain Medicine (Pain Medicine)
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (631) 828-4545
MS. CLAUDIA MILENA RAMIREZ RN
Nurse Practitioner (Adult Health)
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (631) 355-0339
DR. MARTIN MILLER DC
Chiropractor
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (631) 646-2433
DR. GABRIEL ENRIQUE PADILLA DC
Chiropractor
1050 OLD NICHOLS RD
ISLANDIA, NY 11749
Suffolk County (631) 533-4132

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Howard Green's NPI number?

The NPI number for Howard Green is 1639154941. It was assigned to this individual provider in the NPPES registry on December 8, 2005.

Where is Howard Green located?

Howard Green practices at 1050 Old Nichols Rd, Islandia, NY 11749. The listed phone number is (631) 646-2433.

What is Howard Green's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Howard Green enrolled in Medicare?

Yes. Howard Green is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Howard Green's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Howard Green reassigns Medicare benefits to Suffolk Physical Therapy & Chiropractic, PLLC (Melville, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Howard Green's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Howard Green was last updated on May 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.