GARY B BUCK MD
NPI 1427054253
Anesthesiology - Pain Medicine in Vineland, NJ
About Gary B Buck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY B BUCK MD (NPI 1427054253) is an individual pain medicine provider in Vineland, New Jersey, licensed in New Jersey (25MA06131600) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Rutgers New Jersey Medical School (1993).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
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
Gary B Buck 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 Reassignments
4Medicare enrollment records show Gary Buck reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toms River, NJ 08755
- Reassigned Medicare billing, New Jersey enrollment
- 16 clinicians in this Medicare group
Shrewsbury, NJ 07702
- Reassigned Medicare billing, New Jersey enrollment
- 26 clinicians in this Medicare group
West Long Beach, NJ 07764
- Reassigned Medicare billing, New Jersey enrollment
- 406 clinicians in this Medicare group
North Bergen, NJ 07047
- Reassigned Medicare billing, New Jersey enrollment
- 464 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 3
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Gary Buck's NPI number?
The NPI number for Gary Buck is 1427054253. It was assigned to this individual provider in the NPPES registry on June 27, 2005.
Where is Gary Buck located?
Gary Buck practices at 510 E Landis Ave, Vineland, NJ 08360. The listed phone number is (856) 740-4888.
What is Gary Buck's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Gary Buck enrolled in Medicare?
Yes. Gary Buck 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 organizations bill Medicare for Gary Buck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Buck reassigns Medicare benefits to 4 organizations: James Marc Schlesinger MD PC (Toms River, NJ), Specialty Anesthesia Associates, LLC (Shrewsbury, NJ), Allied Digestive Health, LLC (West Long Beach, NJ) and Parkway Anesthesia Associates LLC (North Bergen, NJ). Each 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 Gary Buck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Buck accept?
Health plans from Oscar Health list Gary Buck as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gary Buck was last updated on February 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Gary B Buck, MD · NPI 1427054253
Pain Medicine physician in Vineland, New Jersey. Individual provider, active in the CMS NPPES registry since June 27, 2005.
## Identity
- **NPI:** 1427054253 (Entity type: Individual)
- **Enumerated:** June 27, 2005
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **State license:** 25MA06131600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 510 E LANDIS AVE, Vineland, NJ 08360
- **Phone:** (856) 740-4888 · **Fax:** (856) 740-0558
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): James Marc Schlesinger MD PC (NPI 1700265915, Toms River, NJ); Specialty Anesthesia Associates, LLC (NPI 1932290111, Shrewsbury, NJ); Allied Digestive Health, LLC (NPI 1265831259, West Long Beach, NJ); Parkway Anesthesia Associates LLC (NPI 1518319755, North Bergen, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 1993
## Record status
- **NPPES last updated:** February 26, 2021
- **Other identifiers:** Medicaid 1797360 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1427054253) · Data from the CMS NPPES public registry.