npidata.org
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Massachusetts › Physician Assistant

Michaella Marzullo, PA-C

NPI 1003442476 · on the registry since 2020 · sole proprietor

Practice

Address
123 Summer St Ste 521s
Worcester, MA 01608
Phone
(508) 852-0600
Fax
(508) 368-3146
Organisation at this address
Unhlp Llc
Essentialrx
Essentialrx
Premiere Care Llc
Farricy & Kraft Llp
Inferred from a shared address, not stated in the registry.
Clinicians at this address
566

Registry record

Primary taxonomy
Physician Assistant
363A00000X
Sex
Female
Record last updated
2026-04-08

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Massachusetts