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ROSARIO GIACOMINI D.O.
NPI 1194354761
Family Medicine in Westport, CT

Active since April 06, 2020PECOS EnrolledAccepts Medicare Assignment
1505 POST RD E STE 102, WESTPORT, CT 06880(203) 221-3830(203) 254-0300 Get Directions Write a Review

NPPES record last updated: July 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2023, Apr 6, 2020 (2 updates tracked since 2020).

About Rosario Giacomini D.o. NPPES

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

ROSARIO GIACOMINI D.O. (NPI 1194354761) is an individual family medicine provider in Westport, Connecticut, licensed in Connecticut (73415) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1194354761
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameROSARIO GIACOMINICredential: D.O.
Location Address1505 POST RD E STE 102Westport, CT 06880-5512
Mailing Address1290 Silas Deane Highway, Hhc-cvoWethersfield, CT 06109-4337
Phone(203) 221-3830
Fax(203) 254-0300
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 6, 2020
Last NPPES UpdateJuly 21, 20232 updates tracked since enumeration
NPPES CertifiedJuly 19, 2023
✔ NPI 1194354761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CT · 73415
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1505 POST RD E STE 102, Westport, CT 06880
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Rosario Giacomini D.o. 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 ID7113388653
PECOS Enrollment IDI20230801001935
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 Reassignment

Medicare enrollment records show Rosario Giacomini reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hartford Healthcare Medical Group Specialists, PLLC
54 mi
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
NPI 1023584216 (860) 246-2071

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 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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
88 services64 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.
32 services15 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.
28 services22 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
20 services18 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.
16 services14 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06880 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
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.

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 Rosario Giacomini's NPI number?

The NPI number for Rosario Giacomini is 1194354761. It was assigned to this individual provider in the NPPES registry on April 6, 2020.

Where is Rosario Giacomini located?

Rosario Giacomini practices at 1505 Post Rd E Ste 102, Westport, CT 06880. The listed phone number is (203) 221-3830.

What is Rosario Giacomini's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Rosario Giacomini enrolled in Medicare?

Yes. Rosario Giacomini 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 organization bills Medicare for Rosario Giacomini's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosario Giacomini reassigns Medicare benefits to Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). The 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 Rosario Giacomini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rosario Giacomini accept?

Health plans from Anthem Blue Cross and Blue Shield list Rosario Giacomini 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 Rosario Giacomini was last updated on July 21, 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.