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HILLARY ALYSON CERRETANI PA-C
NPI 1851660419
Physician Assistant in Fitchburg, MA

Active since December 27, 2011PECOS Enrolled
326 NICHOLS RD, FITCHBURG, MA 01420(978) 878-8100 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 21, 2026, Nov 15, 2023, Jul 12, 2021 and 1 more (4 updates tracked since 2015).

About Hillary Alyson Cerretani Pa-c NPPES

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

HILLARY ALYSON CERRETANI PA-C (NPI 1851660419) is an individual physician assistant in Fitchburg, Massachusetts, licensed in Massachusetts (PA4290) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains a secondary practice location in Framingham.

NPPES Registry Identity

NPI1851660419
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHILLARY ALYSON CERRETANICredential: PA-C
Location Address326 NICHOLS RDFitchburg, MA 01420-1914
Mailing Address326 Nichols RdFitchburg, MA 01420-1914 · (978) 878-8100
Phone(978) 878-8100
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateDecember 27, 2011
Last NPPES UpdateApril 21, 20264 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1851660419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · PA4290
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA4290 (MA)
326 NICHOLS RD, Fitchburg, MA 01420
Open in Google Maps ↗

Other Names 1

Former Name (1)Hillary Alyson Zaniboni Pa

Secondary Practice Location 1

Location 1236 Cochituate RdFramingham, MA 01701-4627 · Phone (742) 443-2277

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hillary Alyson Cerretani Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7416118369
PECOS Enrollment IDI20120419000712
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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
23 services23 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
20 services12 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
17 services17 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
14 services14 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
12 services11 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01420 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.

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.

GEORGE CHUDOLIJ MD
Anesthesiology
326 NICHOLS RD, SUITE 16
FITCHBURG, MA 01420
Worcester County (978) 665-5800
SHAHIDA FAREED
Psychologist (Clinical)
326 NICHOLS RD
FITCHBURG, MA 01420
Worcester County (978) 878-8399
DANIEL O'BRIEN M.D.
Anesthesiology
326 NICHOLS RD, SUITE 16
FITCHBURG, MA 01420
Worcester County (978) 665-5800
ISABEL LEGARDA
Anesthesiology
326 NICHOLS RD, SUITE 16
FITCHBURG, MA 01420
Worcester County (978) 665-5800
ELIZABETH LOVECE
Counselor (Mental Health)
326 NICHOLS RD
FITCHBURG, MA 01420
Worcester County (978) 878-8100
MICHELE DENISE COLLINS RN
Registered Nurse (Community Health)
326 NICHOLS RD
FITCHBURG, MA 01420
Worcester County (978) 878-8100
DR. MORGAN RITA NELSON DO
Student in an Organized Health Care Education/Training Program
326 NICHOLS RD
FITCHBURG, MA 01420
Worcester County (978) 343-5270
AMELIA BAIRD
Student in an Organized Health Care Education/Training Program
326 NICHOLS RD
FITCHBURG, MA 01420
Worcester County (978) 878-8100

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 Hillary Cerretani's NPI number?

The NPI number for Hillary Cerretani is 1851660419. It was assigned to this individual provider in the NPPES registry on December 27, 2011. The provider is also known as Hillary Alyson Zaniboni PA.

Where is Hillary Cerretani located?

Hillary Cerretani practices at 326 Nichols Rd, Fitchburg, MA 01420. The listed phone number is (978) 878-8100.

What is Hillary Cerretani's specialty?

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

Is Hillary Cerretani enrolled in Medicare?

Yes. Hillary Cerretani is registered in the Medicare PECOS enrollment system.

Is Hillary Cerretani affiliated with any hospitals?

According to CMS data, Hillary Cerretani is affiliated with Umass Memorial Healthalliance Hospitals.

When was this NPI record last updated?

The NPPES record for Hillary Cerretani was last updated on April 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.