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MS. MACKENZIE EILEEN MAHR PA-C
NPI 1598243750
Physician Assistant in Saint Petersburg, FL

Active since July 31, 2018PECOS Enrolled
501 6TH AVE S, SAINT PETERSBURG, FL 33701(727) 767-4343 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 5, 2019, Jul 31, 2018 (2 updates tracked since 2018).

About Ms. Mackenzie Eileen Mahr Pa-c NPPES

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

MS. MACKENZIE EILEEN MAHR PA-C (NPI 1598243750) is an individual physician assistant in Saint Petersburg, Florida, licensed in Florida (PA9114347) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1598243750
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. MACKENZIE EILEEN MAHRCredential: PA-C
Location Address501 6TH AVE SSaint Petersburg, FL 33701-4634
Mailing Address330 3rd St S Unit 404St Petersburg, FL 33701-4257 · (301) 219-2273
Phone(727) 767-4343
Sole ProprietorNo
Enumeration DateJuly 31, 2018
Last NPPES UpdateJanuary 15, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2025
✔ NPI 1598243750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in FL · PA9114347✔ Licensed in MD · C07010
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
501 6TH AVE S, Saint Petersburg, FL 33701
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Secondary Practice Location 1

Location 14940 Eastern AveBaltimore, MD 21224-2735 · Phone (410) 550-0100

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Mackenzie Eileen Mahr Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. STEPHEN ROGERS KENNEDY MD
Pediatrics
501 6TH AVE S
ST PETERSBURG, FL 33701
Pinellas County (727) 767-4243
DR. WILLIAM EDWARD SCHAAF JR. M.D.
Radiology (Pediatric Radiology)
501 6TH AVE S, DEPARTMENT OF RADIOLOGY
SAINT PETERSBURG, FL 33701
Pinellas County (727) 767-3318
KRISTY W PATEL MD
Hospitalist
501 6TH AVE S
ST PETERSBURG, FL 33701
Pinellas County (727) 767-4243
JENNIFER FOUTCH M.S.W.
Social Worker
501 6TH AVE S, DEPT.# 7470
ST PETERSBURG, FL 33701
Pinellas County (727) 767-6794
SUSAN BUFFINGTON
Nurse Practitioner (Pediatrics)
501 6TH AVE S, DEPT OF RADIOLOGY
ST PETERSBURG, FL 33701
Pinellas County (727) 767-3318
BRITTANY EASTER BOWER ARNP
Nurse Practitioner (Neonatal)
501 6TH AVE S
ST PETERSBURG, FL 33701
Pinellas County (727) 767-4313
DR. DERECK DAVY PHRATHEP PH.D.
Psychologist
501 6TH AVE S
ST PETERSBURG, FL 33701
Pinellas County (727) 767-4170
TARA MORDER
Nurse Practitioner (Neonatal)
501 6TH AVE S
ST PETERSBURG, FL 33701
Pinellas County (727) 767-4313

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 Mackenzie Mahr's NPI number?

The NPI number for Mackenzie Mahr is 1598243750. It was assigned to this individual provider in the NPPES registry on July 31, 2018.

Where is Mackenzie Mahr located?

Mackenzie Mahr practices at 501 6th Ave S, Saint Petersburg, FL 33701. The listed phone number is (727) 767-4343.

What is Mackenzie Mahr's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Mackenzie Mahr enrolled in Medicare?

Yes. Mackenzie Mahr is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mackenzie Mahr was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.