DR. ALEXANDER NATHANSON M.D.
NPI 1053608950
Family Medicine in Brooklyn, NY
About Dr. Alexander Nathanson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER NATHANSON M.D. (NPI 1053608950) is an individual family medicine provider in Brooklyn, New York, licensed in New York (278697) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with South Brooklyn Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Alexander Nathanson M.d. 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 Nathanson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 638 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Brooklyn Health
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11235 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11235
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 Nathanson's NPI number?
The NPI number for Alexander Nathanson is 1053608950. It was assigned to this individual provider in the NPPES registry on June 30, 2011.
Where is Alexander Nathanson located?
Alexander Nathanson practices at 2601 Ocean Pkwy, Brooklyn, NY 11235. The listed phone number is (718) 616-0009.
What is Alexander Nathanson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alexander Nathanson enrolled in Medicare?
Yes. Alexander Nathanson 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 Nathanson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nathanson reassigns Medicare benefits to 2 organizations: Coney Island Medical Practice Plan, P.C. (Brooklyn, NY) and Physician Affiliate Group Of New York PC (New York, NY). 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 Nathanson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Nathanson affiliated with any hospitals?
According to CMS data, Alexander Nathanson is affiliated with South Brooklyn Health.
When was this NPI record last updated?
The NPPES record for Alexander Nathanson was last updated on November 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.