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ROSEMARY A KIROUSIS ANP
NPI 1609023985
Nurse Practitioner in Worcester, MA

Active since August 19, 2008PECOS EnrolledAccepts Medicare Assignment
366 SHREWSBURY ST APT 3, WORCESTER, MA 01604(508) 595-2700(774) 221-5136 Get Directions Write a Review

NPPES record last updated: September 21, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Rosemary A Kirousis Anp NPPES

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

ROSEMARY A KIROUSIS ANP (NPI 1609023985) is an individual nurse practitioner in Worcester, Massachusetts, licensed in Massachusetts (272293) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of University Of Massachusetts Medical School (2008).

NPPES Registry Identity

NPI1609023985
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameROSEMARY A KIROUSISCredential: ANP
Location Address366 SHREWSBURY ST APT 3Worcester, MA 01604-4647
Mailing Address5 Neponset St Fl Street12Worcester, MA 01606-2714 · (508) 595-2700 · Fax (774) 221-5136
Phone(508) 595-2700
Fax(774) 221-5136
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2008
Enumeration DateAugust 19, 2008
Last NPPES UpdateSeptember 21, 2018
✔ NPI 1609023985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · 272293
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
366 SHREWSBURY ST APT 3, Worcester, MA 01604
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Other Names 1

Former Name (1)Rosemary A Thom

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

Rosemary A Kirousis Anp 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 ID2264597624
PECOS Enrollment IDI20090218000407
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 Rosemary Kirousis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Reliant Medical Group, Inc
2.3 mi
Family Medicine
5 NEPONSET ST
Worcester, MA 01606
  • Reassigned Medicare billing, Massachusetts enrollment
  • 718 clinicians in this Medicare group
NPI 1720017528 (508) 852-0600
Milford Regional Physician Group, Inc.
16 mi
Cardiovascular Disease
308 MAIN ST
Milford, MA 01757
  • Reassigned Medicare billing, Massachusetts enrollment
  • 238 clinicians in this Medicare group
NPI 1285031039 (508) 731-2560

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 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.
85 services78 patients
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.
78 services73 patients
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 87636
This test detects the presence of SARS-CoV-2 (COVID-19) and Influenza types A and B in your body. It uses a method called the multiplex amplified probe technique to amplify and identify specific virus genes. It helps in early diagnosis and appropriate treatment.
30 services30 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.
29 services29 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
24 services23 patients
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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01604 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
$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.

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 Rosemary Kirousis's NPI number?

The NPI number for Rosemary Kirousis is 1609023985. It was assigned to this individual provider in the NPPES registry on August 19, 2008. The provider is also known as Rosemary A Thom.

Where is Rosemary Kirousis located?

Rosemary Kirousis practices at 366 Shrewsbury St Apt 3, Worcester, MA 01604. The listed phone number is (508) 595-2700.

What is Rosemary Kirousis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Rosemary Kirousis enrolled in Medicare?

Yes. Rosemary Kirousis 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 Rosemary Kirousis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosemary Kirousis reassigns Medicare benefits to 2 organizations: Reliant Medical Group, Inc (Worcester, MA) and Milford Regional Physician Group, Inc. (Milford, 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 Rosemary Kirousis'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 Rosemary Kirousis was last updated on September 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.