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MARC DIFRONZO PA-C
NPI 1194200154
Physician Assistant in Charleston, SC

Active since September 26, 2018PECOS Enrolled
1470 TOBIAS GADSON BLVD STE 101, CHARLESTON, SC 29407(843) 825-9905(843) 895-4493 Get Directions Write a Review

NPPES record last updated: June 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 9, 2025, Oct 31, 2022, Jan 8, 2021 and 1 more (4 updates tracked since 2018).

About Marc Difronzo Pa-c NPPES

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

MARC DIFRONZO PA-C (NPI 1194200154) is an individual physician assistant in Charleston, South Carolina and active in the NPI registry since September 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194200154
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMARC DIFRONZOCredential: PA-C
Location Address1470 TOBIAS GADSON BLVD STE 101Charleston, SC 29407-4835
Mailing Address650 Enterprise Blvd Apt 7107Charleston, SC 29492-8550 · (843) 412-3661
Phone(843) 825-9905
Fax(843) 895-4493
Sole ProprietorNo
Enumeration DateSeptember 26, 2018
Last NPPES UpdateJune 9, 20254 updates tracked since enumeration
NPPES CertifiedJune 9, 2025
✔ NPI 1194200154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
1470 TOBIAS GADSON BLVD STE 101, Charleston, SC 29407
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc Difronzo 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 29407 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Iv pole E0776
DME-Other DME · category DE000N
1 supplier12 claims12 services$4.13 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers15 claims15 services$19.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Marc Difronzo's NPI number?

The NPI number for Marc Difronzo is 1194200154. It was assigned to this individual provider in the NPPES registry on September 26, 2018.

Where is Marc Difronzo located?

Marc Difronzo practices at 1470 Tobias Gadson Blvd Ste 101, Charleston, SC 29407. The listed phone number is (843) 825-9905.

What is Marc Difronzo's specialty?

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

Is Marc Difronzo enrolled in Medicare?

Yes. Marc Difronzo is registered in the Medicare PECOS enrollment system.

What insurance does Marc Difronzo accept?

Health plans from Medica and UnitedHealthcare list Marc Difronzo 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 Marc Difronzo was last updated on June 9, 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.