1. Home
  2. Directory
  3. Massachusetts
  4. Westborough
  5. Internal Medicine
  6. NPI Profile

DR. ANTHONY MARTIN ZIZZA III M.D.
NPI 1134430747
Internal Medicine - Geriatric Medicine in Westborough, MA

Active since June 29, 2010PECOS Enrolled
1400 COMPUTER DR STE 301, WESTBOROUGH, MA 01581(617) 420-5316 Get Directions Write a Review

NPPES record last updated: January 3, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 3, 2020, Nov 26, 2019, Oct 28, 2019 (3 updates tracked since 2019).

About Dr. Anthony Martin Zizza Iii M.d. NPPES

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

DR. ANTHONY MARTIN ZIZZA III M.D. (NPI 1134430747) is an individual geriatric medicine provider in Westborough, Massachusetts, licensed in Massachusetts (257465) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1134430747
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. ANTHONY MARTIN ZIZZA IIICredential: M.D.
Location Address1400 COMPUTER DR STE 301Westborough, MA 01581-1790
Mailing Address12 Parkway DrSaugus, MA 01906-1957 · (781) 347-1380
Phone(617) 420-5316
Sole ProprietorYes
Enumeration DateJune 29, 2010
Last NPPES UpdateJanuary 3, 20203 updates tracked since enumeration
✔ NPI 1134430747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in MA · 257465
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License 245455 (MA)
1400 COMPUTER DR STE 301, Westborough, MA 01581
Open in Google Maps ↗

Secondary Practice Locations 2

Location 112 Parkway DrSaugus, MA 01906-1957 · Phone (781) 347-1380
Location 210 Dorrance St Ste 700Providence, RI 02903-2014 · Phone (833) 229-0957

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Anthony Martin Zizza Iii M.d. 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 Anthony Zizza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beth Israel Deaconess Medical Center, Inc.
25 mi
General Acute Care Hospital
330 BROOKLINE AVE, ST 207
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,477 clinicians in this Medicare group
NPI 1548202641 (617) 667-1961
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
25 mi
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600

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 01581 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
$177.36 typical visit price
range $58.86 – $177.36
Typical copayment $44.34 (range $14.71 – $44.34)
Most-billed visit code 99205
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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 20

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

LANDMARK MEDICAL OF MASSACHUSETTS PLLC
General Practice
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
JULIA A LOMBARDI NP
Nurse Practitioner
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MS. JAMIE LEE MCCARTHY APRN
Nurse Practitioner (Adult Health)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MRS. KATHLEEN MURPHY NP
Nurse Practitioner
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MRS. JENNIFER HALTERMAN HILGENBERG PA-C
Physician Assistant
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
MRS. MINH HUONG MARY FAY FNP
Nurse Practitioner (Family)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316
LANDMARK MEDICAL OF CONNECTICUT PC
General Practice
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (657) 400-5180
MR. DAVID HILL PA
Physician Assistant (Medical)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Worcester County (617) 420-5316

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 Anthony Zizza's NPI number?

The NPI number for Anthony Zizza is 1134430747. It was assigned to this individual provider in the NPPES registry on June 29, 2010.

Where is Anthony Zizza located?

Anthony Zizza practices at 1400 Computer Dr Ste 301, Westborough, MA 01581. The listed phone number is (617) 420-5316.

What is Anthony Zizza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Anthony Zizza enrolled in Medicare?

Yes. Anthony Zizza is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Anthony Zizza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Zizza reassigns Medicare benefits to 2 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Anthony Zizza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anthony Zizza was last updated on January 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.