1. Home
  2. Directory
  3. Florida
  4. Palm Harbor
  5. Nurse Practitioner
  6. NPI Profile

MICHELLE MARGERUM APRN
NPI 1497284491
Nurse Practitioner - Acute Care in Palm Harbor, FL

Active since June 05, 2017PECOS Enrolled
4705 ALT 19 STE B, PALM HARBOR, FL 34683(727) 787-4875 Get Directions Write a Review

NPPES record last updated: January 31, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 31, 2023, Mar 28, 2021, Jun 5, 2017 (3 updates tracked since 2017).

About Michelle Margerum Aprn NPPES

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

MICHELLE MARGERUM APRN (NPI 1497284491) is an individual acute care provider in Palm Harbor, Florida, licensed in Florida (APRN11001263) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Sebastian.

NPPES Registry Identity

NPI1497284491
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMICHELLE MARGERUMCredential: APRN
Location Address4705 ALT 19 STE BPalm Harbor, FL 34683-1424
Mailing Address4705 Alt 19 Ste BPalm Harbor, FL 34683-1424 · (727) 787-4875
Phone(727) 787-4875
Sole ProprietorNo
Enumeration DateJune 5, 2017
Last NPPES UpdateJanuary 31, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2023
✔ NPI 1497284491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in FL · APRN11001263
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 11001263 (FL)
4705 ALT 19 STE B, Palm Harbor, FL 34683
Open in Google Maps ↗

Secondary Practice Location 1

Location 17754 Bay St Ste 6And7Sebastian, FL 32958-3427 · Phone (772) 589-3000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Margerum Aprn 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Michelle Margerum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Florida Hospital Physician Group Inc
21 mi
Family Medicine
3000 MEDICAL PARK DR, STE 320
Tampa, FL 33613
  • Reassigned Medicare billing, Florida enrollment
  • 1,719 clinicians in this Medicare group
NPI 1174955256 (813) 336-5766
Steward Medical Group, Inc.
124 mi
Urology
1317 W POINT DR
Cocoa, FL 32922
  • Reassigned Medicare billing, Florida enrollment
  • 254 clinicians in this Medicare group
NPI 1104367630 (615) 467-4158

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34683 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
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
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 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LINDA L. DIEDRIECH M.D.
Internal Medicine
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 935-6477
ADAM R BAINEY D.O.
Internal Medicine (Clinical Cardiac Electrophysiology)
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 787-4875
ION BOTNARU M.D.
Internal Medicine (Cardiovascular Disease)
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 787-4875
DR. RISHI HANS RAMLOGAN M.D.
Surgery
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 935-6477
ANDREW JUNG
Internal Medicine (Cardiovascular Disease)
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 787-4875
STEPHANIE NICOLE COCHRAN D.O.
Internal Medicine (Cardiovascular Disease)
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 787-4875
DR. MELANIE RENEE NUKALA M.D.
Surgery (Vascular Surgery)
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 787-4875
AMANDA HELLMANN
Physician Assistant
4705 ALT 19 STE B
PALM HARBOR, FL 34683
Pinellas County (727) 787-4875

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 Michelle Margerum's NPI number?

The NPI number for Michelle Margerum is 1497284491. It was assigned to this individual provider in the NPPES registry on June 5, 2017.

Where is Michelle Margerum located?

Michelle Margerum practices at 4705 Alt 19 Ste B, Palm Harbor, FL 34683. The listed phone number is (727) 787-4875.

What is Michelle Margerum's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Michelle Margerum enrolled in Medicare?

Yes. Michelle Margerum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Margerum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Margerum reassigns Medicare benefits to 2 organizations: Florida Hospital Physician Group Inc (Tampa, FL) and Steward Medical Group, Inc. (Cocoa, 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 Michelle Margerum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Margerum accept?

Health plans from CareSource list Michelle Margerum 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.

When was this NPI record last updated?

The NPPES record for Michelle Margerum was last updated on January 31, 2023. 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.