ALEXANDER MAX FAGENSON M.D.
NPI 1750744843
Transplant Surgery in Lexington, Ky, KY

Active since April 05, 2016PECOS EnrolledAccepts Medicare Assignment
740 S LIMESTONE, STE J301, LEXINGTON, KY, KY 40536(859) 323-1691 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alexander Max Fagenson M.d. NPPES

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

ALEXANDER MAX FAGENSON M.D. (NPI 1750744843) is an individual transplant surgery provider in Lexington, Ky, Kentucky, licensed in Kentucky (61918) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Au Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1750744843
Entity TypeIndividualMale
Primary Taxonomy204F00000X
Provider Legal NameALEXANDER MAX FAGENSONCredential: M.D.
Location Address740 S LIMESTONE, STE J301Lexington, Ky, KY 40536-0284
Mailing Address740 S LimestoneLexington, KY 40536-0001 · (859) 323-4661 · Fax (859) 257-3644
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 5, 2016
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
✔ NPI 1750744843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204F00000X
License✔ Licensed in KY · 61918
Definition
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee
740 S LIMESTONE, Lexington, Ky, KY 40536

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

Alexander Max Fagenson 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.

PECOS PAC ID3971897760
PECOS Enrollment IDI20250822003576, I20260520001514
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Alexander Fagenson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical
740 S LIMESTONE, STE E214
Lexington, KY 40536
  • Reassigned Medicare billing, Kentucky enrollment
  • 1,761 clinicians in this Medicare group
Internal Medicine
2333 ALUMNI PARK PLZ, SUITE 200
Lexington, KY 40517
  • Reassigned Medicare billing, Kentucky enrollment
  • 1,502 clinicians in this Medicare group
Family Medicine
687 MARIETTA HWY
Canton, GA 30114
  • Reassigned Medicare billing, Georgia enrollment
  • 3,885 clinicians in this Medicare group
Transplant Surgery
5 EAST 98TH ST, 12TH FLOOR
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 78 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.

Transplantation of donor kidney 50360
Transplantation of a donor kidney involves replacing a non-functioning kidney with a healthy one from a donor. This procedure can significantly improve the quality of life for those with serious kidney disease. The new kidney can perform the essential task of filtering blood and removing waste.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Au Medical Center

Acute Care Hospitals · Augusta, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110034
Location1120 15th StreetAugusta, GA 30912 · Richmond County
Emergency services Birthing friendly

University Of Kentucky Hospital

Acute Care Hospitals · Lexington, KY
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number180067
Location800 Rose StreetLexington, KY 40536 · Fayette County
Emergency services Birthing friendly

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.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
740 S LIMESTONE
LEXINGTON, KY 40536
Psychiatry & Neurology (Neurology)
740 S LIMESTONE
LEXINGTON, KY 40536
Psychologist (Clinical)
740 S LIMESTONE
LEXINGTON, KY 40536
Internal Medicine (Infectious Disease)
740 S LIMESTONE
LEXINGTON, KY 40536
Specialist/Technologist (Athletic Trainer)
740 S LIMESTONE, SUITE K401, KY CLINIC
LEXINGTON, KY 40536
Genetic Counselor, MS
740 S LIMESTONE
LEXINGTON, KY 40536
Nurse Practitioner (Psychiatric/Mental Health)
740 S LIMESTONE
LEXINGTON, KY 40536
Nurse Practitioner (Primary Care)
740 S LIMESTONE
LEXINGTON, KY 40536

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 Fagenson's NPI number?

The NPI number for Alexander Fagenson is 1750744843. It was assigned to this individual provider in the NPPES registry on April 5, 2016.

Where is Alexander Fagenson located?

Alexander Fagenson practices at 740 S Limestone Ste J301, Lexington, Ky, KY 40536. The listed phone number is (859) 323-1691.

What is Alexander Fagenson's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Is Alexander Fagenson enrolled in Medicare?

Yes. Alexander Fagenson 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 Fagenson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Fagenson reassigns Medicare benefits to 4 organizations: University Of Kentucky (Lexington, KY), Kentucky Medical Services Foundation, Inc (Lexington, KY), Wellstar Medical Group, LLC (Canton, GA) and Icahn School Of Medicine At Mount Sinai (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 Fagenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Fagenson accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Alexander Fagenson 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.

Is Alexander Fagenson affiliated with any hospitals?

According to CMS data, Alexander Fagenson is affiliated with Au Medical Center and University Of Kentucky Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Fagenson was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.