JOHN F GALLAGHER MD
NPI 1740201508
Surgery - Vascular Surgery in West Islip, NY
About John F Gallagher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN F GALLAGHER MD (NPI 1740201508) is an individual vascular surgery provider in West Islip, New York, licensed in New York (1247381) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1974).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John F Gallagher Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Gallagher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 39 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11795 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Gallagher's NPI number?
The NPI number for John Gallagher is 1740201508. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is John Gallagher located?
John Gallagher practices at 580 Union Blvd, West Islip, NY 11795. The listed phone number is (631) 321-6801.
What is John Gallagher's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is John Gallagher enrolled in Medicare?
Yes. John Gallagher is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Gallagher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Gallagher reassigns Medicare benefits to Advanced Dermatology PC (New Hyde Park, 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 John Gallagher'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 John Gallagher was last updated on August 30, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.
# John F Gallagher, MD · NPI 1740201508
Vascular Surgery physician in West Islip, New York. Individual provider, active in the CMS NPPES registry since July 21, 2006.
## Identity
- **NPI:** 1740201508 (Entity type: Individual)
- **Enumerated:** July 21, 2006
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** 1247381 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 580 UNION BLVD, West Islip, NY 11795
- **Phone:** (631) 321-6801 · **Fax:** (631) 321-3869
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Advanced Dermatology PC (NPI 1134201460, New Hyde Park, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 1974
## Record status
- **NPPES last updated:** August 30, 2011
- **Other identifiers:** Medicaid 00717886 (NY); Medicare UPIN C12074; Medicare PIN JG074A0610 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1740201508) · Data from the CMS NPPES public registry.