SARA S KARWOWSKI CRNA
NPI 1992164800
Nurse Anesthetist, Certified Registered in Shelton, CT

Active since February 19, 2016PECOS EnrolledAccepts Medicare Assignment
2 CORPORATE DR 9 FL, SUITE 955, SHELTON, CT 06484(203) 929-7353(203) 929-0756 Get Directions Write a Review

NPPES record last updated: January 22, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Oct 18, 2017, Feb 19, 2016 (3 updates tracked since 2016).

About Sara S Karwowski Crna NPPES

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

SARA S KARWOWSKI CRNA (NPI 1992164800) is an individual nurse anesthetist, certified registered in Shelton, Connecticut, licensed in Connecticut (7321) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in East Hartford, and is a graduate of University Of New England, College Of Osteo Medicine (2017).

NPPES Registry Identity

NPI1992164800
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameSARA S KARWOWSKICredential: CRNA
Location Address2 CORPORATE DR 9 FL, SUITE 955Shelton, CT 06484-7621
Mailing Address48 Carson WaySouth Glastonbury, CT 06073-2123 · (860) 818-6451
Fax(203) 929-0756
Sole ProprietorNo
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2017
Enumeration DateFebruary 19, 2016
Last NPPES UpdateJanuary 22, 20243 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2024
✔ NPI 1992164800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CT · 7321
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 082673 (CT)
Also ListedAnesthesiologyTaxonomy 207L00000X · License 7321 (CT)
2 CORPORATE DR 9 FL, Shelton, CT 06484

Other Names 1

Former Name (1)Sara Cunha Crna

Secondary Practice Location 1

Location 14 Jerry rdEast Hartford, CT 06118 · Phone (860) 818-6451

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

Sara S Karwowski Crna 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 ID749546018
PECOS Enrollment IDI20171102002819
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

4

Medicare enrollment records show Sara Karwowski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
2 CORPORATE DRIVE 9TH FLOOR, SUITE 955
Shelton, CT 06484
  • Reassigned Medicare billing, Connecticut enrollment
  • 727 clinicians in this Medicare group
Gastroenterology
85 SEYMOUR ST, 1000
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 417 clinicians in this Medicare group
Anesthesiology
1093 PROSPECT AVE
West Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 86 clinicians in this Medicare group
Anesthesiology
114 WOODLAND ST
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 302 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 4

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
51 services50 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
36 services36 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
34 services34 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
25 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06484 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
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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

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

Anesthesiology
2 CORPORATE DR 9 FL, SUITE 955
SHELTON, CT 06484

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 Sara Karwowski's NPI number?

The NPI number for Sara Karwowski is 1992164800. It was assigned to this individual provider in the NPPES registry on February 19, 2016. The provider is also known as Sara Cunha Crna.

Where is Sara Karwowski located?

Sara Karwowski practices at 2 Corporate Dr 9 Fl Suite 955, Shelton, CT 06484. The listed phone number is (203) 929-7353.

What is Sara Karwowski's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Sara Karwowski enrolled in Medicare?

Yes. Sara Karwowski 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 Sara Karwowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Karwowski reassigns Medicare benefits to 4 organizations: Integrated Anesthesia Associates LLC (Shelton, CT), Connecticut Gi PLLC (Hartford, CT), Charter Anesthesiology LLC (West Hartford, CT) and Woodland Anesthesia Associates PC (Hartford, 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 Sara Karwowski'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 Sara Karwowski was last updated on January 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.