ANTHONY ZALDONIS MD
NPI 1144207853
Internal Medicine - Gastroenterology in Avon, CT

Active since December 23, 2005PECOS EnrolledAccepts Medicare Assignment
44 DALE RD, PRIME HEALTHCARE, AVON, CT 06001(860) 674-8830(860) 674-8984 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Jun 22, 2021 (2 updates tracked since 2021).

About Anthony Zaldonis Md NPPES

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

ANTHONY ZALDONIS MD (NPI 1144207853) is an individual gastroenterology provider in Avon, Connecticut, licensed in Connecticut (022966) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Hahnemann Medical College And Hospital - Kansas City - Nlg (1979).

NPPES Registry Identity

NPI1144207853
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameANTHONY ZALDONISCredential: MD
Location Address44 DALE RD, PRIME HEALTHCAREAvon, CT 06001-3612
Mailing Address30 Jordan Ln, Prime HealthcareWethersfield, CT 06109-1278 · (860) 263-0253 · Fax (860) 263-0262
Fax(860) 674-8984
Sole ProprietorNo
Medical School CMSHahnemann Medical College And Hospital - Kansas City - NlgGraduated 1979
Enumeration DateDecember 23, 2005
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedJune 22, 2021
✔ NPI 1144207853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 022966
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
44 DALE RD, Avon, CT 06001

Other Identifiers 3

Medicaid001229665CT
Other022966CO · Medical License
Other010022966CT01CT · Bcbs

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anthony Zaldonis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688763444
PECOS Enrollment IDI20100109000214
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 Zaldonis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
Internal Medicine
30 JORDAN LN
Wethersfield, CT 06109
  • Reassigned Medicare billing, Connecticut enrollment
  • 116 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06001 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Physical Therapist
44 DALE RD, SUITE 203
AVON, CT 06001
Physical Therapist
44 DALE RD
AVON, CT 06001
Dentist (General Practice)
44 DALE RD
AVON, CT 06001
Internal Medicine (Gastroenterology)
44 DALE RD, PRIME HEALTHCARE
AVON, CT 06001
Dentist (Orthodontics and Dentofacial Orthopedics)
44 DALE RD
AVON, CT 06001
Dentist (General Practice)
44 DALE RD
AVON, CT 06001
Nurse Practitioner (Family)
44 DALE RD
AVON, CT 06001
Dentist (General Practice)
44 DALE RD
AVON, CT 06001

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 Zaldonis's NPI number?

The NPI number for Anthony Zaldonis is 1144207853. It was assigned to this individual provider in the NPPES registry on December 23, 2005.

Where is Anthony Zaldonis located?

Anthony Zaldonis practices at 44 Dale Rd Prime Healthcare, Avon, CT 06001. The listed phone number is (860) 674-8830.

What is Anthony Zaldonis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Anthony Zaldonis enrolled in Medicare?

Yes. Anthony Zaldonis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Anthony Zaldonis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Zaldonis reassigns Medicare benefits to 2 organizations: Trinity Health Of New England Provider Network Organization Inc (Hartford, CT) and Prime Healthcare, PC (Wethersfield, CT). 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 Zaldonis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anthony Zaldonis accept?

Health plans from Anthem Blue Cross and Blue Shield list Anthony Zaldonis 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 Anthony Zaldonis was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.