MARY ELIZABETH PLEWNIAK CRNA
NPI 1043735657
Nurse Anesthetist, Certified Registered in Jacksonville, FL
About Mary Elizabeth Plewniak Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELIZABETH PLEWNIAK CRNA (NPI 1043735657) is an individual nurse anesthetist, certified registered in Jacksonville, Florida, licensed in Florida (APRN9400752) and active in the NPI registry since August 2017. She is affiliated with Mayo Clinic, maintains a secondary practice location in Tampa, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Mary Elizabeth Plewniak Crna 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
9Medicare enrollment records show Mary Plewniak reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jacksonville, FL 32224
- Reassigned Medicare billing, Florida enrollment
- 1,828 clinicians in this Medicare group
Orange Park, FL 32003
- Reassigned Medicare billing, Florida enrollment
- 876 clinicians in this Medicare group
Dade City, FL 33525
- Reassigned Medicare billing, Florida enrollment
- 1,287 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Florida enrollment
- 1,887 clinicians in this Medicare group
Atlanta, GA 30331
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
New Iberia, LA 70563
- Reassigned Medicare billing, Arkansas enrollment
- 232 clinicians in this Medicare group
Fort Smith, AR 72903
- Reassigned Medicare billing, Arkansas enrollment
- 60 clinicians in this Medicare group
Fort Smith, AR 72903
- Reassigned Medicare billing, Arkansas enrollment
- 52 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic
Acute Care Hospitals · Jacksonville, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
JACKSONVILLE, FL 32224
JACKSONVILLE, FL 32224
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 Mary Plewniak's NPI number?
The NPI number for Mary Plewniak is 1043735657. It was assigned to this individual provider in the NPPES registry on August 4, 2017. The provider is also known as Mary Elizabeth Osbach.
Where is Mary Plewniak located?
Mary Plewniak practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.
What is Mary Plewniak's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Plewniak enrolled in Medicare?
Yes. Mary Plewniak 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 Mary Plewniak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Plewniak reassigns Medicare benefits to 9 organizations: Mayo Clinic Jacksonville (Jacksonville, FL), Fleming Island Anesthesia LLC (Orange Park, FL), Gulf-To-Bay Anesthesiology Associates LLC (Dade City, FL), Anesthesia Dynamics LLC (Bradenton, FL), Wellstar Medical Group, LLC (Atlanta, GA) and 4 more organizations, listed in the Medicare section above. 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 Mary Plewniak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Plewniak affiliated with any hospitals?
According to CMS data, Mary Plewniak is affiliated with Mayo Clinic.
When was this NPI record last updated?
The NPPES record for Mary Plewniak was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Mary Elizabeth Plewniak, CRNA · NPI 1043735657
Nurse Anesthetist, Certified Registered physician in Jacksonville, Florida. Individual provider, active in the CMS NPPES registry since August 4, 2017.
## Identity
- **NPI:** 1043735657 (Entity type: Individual)
- **Enumerated:** August 4, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APRN9400752 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 4500 SAN PABLO RD S, Jacksonville, FL 32224-1865
- **Phone:** (904) 953-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Jacksonville (NPI 1174143986, Jacksonville, FL); Fleming Island Anesthesia LLC (NPI 1487945895, Orange Park, FL); Gulf-To-Bay Anesthesiology Associates LLC (NPI 1982932562, Dade City, FL); Anesthesia Dynamics LLC (NPI 1073001012, Bradenton, FL); Wellstar Medical Group, LLC (NPI 1205267192, Atlanta, GA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043735657) · Data from the CMS NPPES public registry.