ALEXANDER GAK MD
NPI 1396724555
Anesthesiology in Jersey City, NJ
About Alexander Gak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER GAK MD (NPI 1396724555) is an individual anesthesiology provider in Jersey City, New Jersey, licensed in New Jersey (25MA07243400) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Alexander Gak 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
2Medicare enrollment records show Alexander Gak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elmwood Park, NJ 07407
- Reassigned Medicare billing, New Jersey enrollment
- 22 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 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 2
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.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JERSEY CITY, NJ 07302
JERSEY CITY, NJ 07302
JERSEY CITY, NJ 07302
JERSEY CITY, NJ 07302
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 Alexander Gak's NPI number?
The NPI number for Alexander Gak is 1396724555. It was assigned to this individual provider in the NPPES registry on January 15, 2006.
Where is Alexander Gak located?
Alexander Gak practices at 355 Grand St, Jersey City, NJ 07302. The listed phone number is (201) 915-2405.
What is Alexander Gak's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alexander Gak enrolled in Medicare?
Yes. Alexander Gak 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 Alexander Gak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Gak reassigns Medicare benefits to 2 organizations: Pain Management Institute PA (Elmwood Park, NJ) and Rwjbh Observation Associates LLC (Livingston, 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 Alexander Gak'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 Alexander Gak was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.