ALEXANDER ERIC ZAJAC M.D.
NPI 1730508805
Anesthesiology in Mangonia Park, FL
About Alexander Eric Zajac M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER ERIC ZAJAC M.D. (NPI 1730508805) is an individual anesthesiology provider in Mangonia Park, Florida, licensed in Florida (ME144034) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with St Mary's Medical Center, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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 Eric Zajac 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 Zajac reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Palm Beach, FL 33407
- Reassigned Medicare billing, Florida enrollment
- 1,973 clinicians in this Medicare group
Coral Gables, FL 33134
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: South Florida Anesthesia & Pain Treatment PA
- 234 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.
St Mary's Medical Center
Acute Care Hospitals · West Palm Beach, FLOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST PALM BEACH, FL 33407
WEST PALM BEACH, FL 33407
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 Zajac's NPI number?
The NPI number for Alexander Zajac is 1730508805. It was assigned to this individual provider in the NPPES registry on April 15, 2014.
Where is Alexander Zajac located?
Alexander Zajac practices at 901 45th St, Mangonia Park, FL 33407. The listed phone number is (615) 343-6642.
What is Alexander Zajac's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alexander Zajac enrolled in Medicare?
Yes. Alexander Zajac 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 Zajac's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Zajac reassigns Medicare benefits to 2 organizations: Sheridan Healthcorp Inc (West Palm Beach, FL) and South Florida Anesthesia & Pain Treatment, P.A. (Coral Gables, FL). 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 Zajac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Zajac accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Alexander Zajac 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 Zajac affiliated with any hospitals?
According to CMS data, Alexander Zajac is affiliated with St Mary's Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Zajac was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Alexander Eric Zajac, M.D. · NPI 1730508805
Anesthesiology physician in Mangonia Park, Florida. Individual provider, active in the CMS NPPES registry since April 15, 2014.
## Identity
- **NPI:** 1730508805 (Entity type: Individual)
- **Enumerated:** April 15, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** ME144034 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 45TH ST, Mangonia Park, FL 33407-2413
- **Phone:** (615) 343-6642
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sheridan Healthcorp Inc (NPI 1437823812, West Palm Beach, FL); South Florida Anesthesia & Pain Treatment, P.A. (NPI 1528302866, Coral Gables, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** February 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1730508805) · Data from the CMS NPPES public registry.