MICHAELLA ELIZABETH MARZULLO PA-C
NPI 1003442476
Physician Assistant in Worcester, MA

Active since March 18, 2020PECOS Enrolled
123 SUMMER ST STE 521S, WORCESTER, MA 01608(508) 852-0600(508) 368-3146 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 8, 2026, Mar 18, 2020 (2 updates tracked since 2020).

About Michaella Elizabeth Marzullo Pa-c NPPES

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

MICHAELLA ELIZABETH MARZULLO PA-C (NPI 1003442476) is an individual physician assistant in Worcester, Massachusetts and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003442476
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMICHAELLA ELIZABETH MARZULLOCredential: PA-C
Location Address123 SUMMER ST STE 521SWorcester, MA 01608-1216
Mailing Address123 Summer St Ste 521sWorcester, MA 01608-1216 · (508) 852-0600 · Fax (508) 368-3146
Fax(508) 368-3146
Sole ProprietorYes
Enumeration DateMarch 18, 2020
Last NPPES UpdateApril 8, 20262 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
NPI 1003442476 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.

123 SUMMER ST STE 521S, Worcester, MA 01608

Accepted 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)

Michaella Elizabeth Marzullo 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 01608 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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.

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 Michaella Marzullo's NPI number?

The NPI number for Michaella Marzullo is 1003442476. It was assigned to this individual provider in the NPPES registry on March 18, 2020.

Where is Michaella Marzullo located?

Michaella Marzullo practices at 123 Summer St Ste 521S, Worcester, MA 01608. The listed phone number is (508) 852-0600.

What is Michaella Marzullo's specialty?

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

Is Michaella Marzullo enrolled in Medicare?

Yes. Michaella Marzullo is registered in the Medicare PECOS enrollment system.

What insurance does Michaella Marzullo accept?

Health plans from Anthem Blue Cross and Blue Shield list Michaella Marzullo 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 Michaella Marzullo was last updated on April 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.