JONATHON GRABOWSKI
NPI 1801261623
Nurse Anesthetist, Certified Registered in New Britain, CT

Active since December 04, 2015PECOS EnrolledAccepts Medicare Assignment
100 GRAND ST, NEW BRITAIN, CT 06052(860) 224-5011 Get Directions Write a Review

NPPES record last updated: December 23, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 23, 2015, Dec 16, 2015, Dec 4, 2015 (3 updates tracked since 2015).

About Jonathon Grabowski NPPES

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

JONATHON GRABOWSKI (NPI 1801261623) is an individual nurse anesthetist, certified registered in New Britain, Connecticut, licensed in Connecticut (91566) and active in the NPI registry since December 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1801261623
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameJONATHON GRABOWSKI
Location Address100 GRAND STNew Britain, CT 06052-2016
Mailing Address11781 Lee Jackson Memorial Hwy, Ste 550Fairfax, VA 22033-3309 · (571) 777-5164 · Fax (703) 290-2650
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateDecember 4, 2015
Last NPPES UpdateDecember 23, 20153 updates tracked since enumeration
✔ NPI 1801261623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CT · 91566
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.
100 GRAND ST, New Britain, CT 06052

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

Jonathon Grabowski 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 ID1759687346
PECOS Enrollment IDI20160308001488
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 Jonathon Grabowski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 225 clinicians in this Medicare group
Anesthesiology
114 WOODLAND ST
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 302 clinicians in this Medicare group
Endoscopy
2200 WHITNEY AVE, SUITE 380
Hamden, CT 06518
  • Reassigned Medicare billing, Connecticut enrollment
  • 88 clinicians in this Medicare group
Internal Medicine
24 HOSPITAL AVE
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 818 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 3

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.
24 services24 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.
15 services15 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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06052 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 20

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

Internal Medicine
100 GRAND ST
NEW BRITAIN, CT 06052
Hospitalist
100 GRAND ST
NEW BRITAIN, CT 06052
Pathology (Anatomic Pathology & Clinical Pathology)
100 GRAND ST
NEW BRITAIN, CT 06052
Physician Assistant (Medical)
100 GRAND ST
NEW BRITAIN, CT 06052
Psychiatry & Neurology (Neurology)
100 GRAND ST
NEW BRITAIN, CT 06052
Social Worker (Clinical)
100 GRAND ST
NEW BRITAIN, CT 06052
Emergency Medicine
100 GRAND ST
NEW BRITAIN, CT 06052
Radiology (Diagnostic Radiology)
100 GRAND ST
NEW BRITAIN, CT 06052

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 Jonathon Grabowski's NPI number?

The NPI number for Jonathon Grabowski is 1801261623. It was assigned to this individual provider in the NPPES registry on December 4, 2015.

Where is Jonathon Grabowski located?

Jonathon Grabowski practices at 100 Grand St, New Britain, CT 06052. The listed phone number is (860) 224-5011.

What is Jonathon Grabowski's specialty?

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

Is Jonathon Grabowski enrolled in Medicare?

Yes. Jonathon Grabowski 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 Jonathon Grabowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathon Grabowski reassigns Medicare benefits to 4 organizations: North American Partners In Anesthesia Connecticut PC (New Britain, CT), Woodland Anesthesia Associates PC (Hartford, CT), Endoscopy Center Of Connecticut, LLC (Hamden, CT) and Nuvance Health Medical Practice Ct, Inc. (Danbury, 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 Jonathon Grabowski'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 Jonathon Grabowski was last updated on December 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.