Active NPI
Marek Pilecki, CRNA
- Certified Registered Nurse Anesthetist
- Norwich, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 4297
- Practice address
- 326 Washington St
Norwich, CT 06360-2740 - Phone
- (860) 889-8331
- NPI assigned
- Feb 3, 2010
- Last updated
- Jul 10, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 4297 | CT | Primary |
Addresses
Primary practice location
326 Washington St
Norwich, CT 06360-2740
Mailing address
99 East River Drive
5TH Floor
East Hartford, CT 06108-7301
Phone (860) 282-0833
Other practice location 1
1 Medical Center Dr
Lebanon, NH 03756-0001
Phone (603) 650-5000
Other practice location 2
263 Farmington Ave
Farmington, CT 06032-1956
Phone (860) 679-2000
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mpilecki10423@direct.med.uchc.edu | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT, NY, MA, NH
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
101 Page St
New Bedford, MA 02740-3464
Phone (508) 973-5919
2201 Hempstead Tpke
East Meadow, NY 11554-1859
Phone (516) 572-6131
300 C Faunce Corner Rd
Dartmouth, MA 02747-1257
Phone (508) 679-3131
33 Bartlett St
Suite 203
Lowell, MA 01852-1317
Phone (978) 689-4601
540 Litchfield St
Torrington, CT 06790-6679
Phone (860) 496-6666
778 Long Ridge Rd
Stamford, CT 06902-1265
Phone (203) 322-2400
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Connecticut Gi PLLC | Current | Accepting new patients | |
| Pioneer Sedation PLLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Planned Parenthood of Southern New England, Inc. | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Anesthesia Associates of Willimantic PC | Current | Accepting new patients | |
| North American Partners in Anesthesia Connecticut PC | Current | Accepting new patients | |
| Southcoast Physicians Group, Inc. | Current | Accepting new patients | |
| Woodland Anesthesia Associates PC | Current | Accepting new patients | |
| Resource Anesthesiology Associates of CT PC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| North American Partners in Anesthesia Massachusetts LLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Upstate Anesthesia Services, P.C. | Current | Accepting new patients | |
| Charter Anesthesiology LLC | Current | Accepting new patients | |
| Integrated Anesthesia Associates LLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Lynbrook Anesthesia Services, PC | Current | Accepting new patients | |
| Southcoast Physicians Group, Inc. | Current | Accepting new patients | |
| Amsurg Stamford Anesthesia LLC | Current | Accepting new patients |
Locations (25 of 31)
701 Cottage Grove Rd
Ste F230
Bloomfield, CT 06002
Phone (860) 243-5569
41 Brewster Rd
Bristol, CT 06010
Phone (800) 585-3000
21 South Rd
Ste 100
Farmington, CT 06032
Phone (860) 409-4567
263 Farmington Ave
Farmington, CT 06032
Phone (860) 679-1706
263 Farmington Ave
#6305
Farmington, CT 06032
114 Woodland St
Hartford, CT 06105
Phone (860) 714-4001
80 Seymour St
Hartford, CT 06106
Phone (860) 545-2249
85 Seymour St
Ste 1000
Hartford, CT 06106
Phone (860) 246-2571
99 E River Dr
Fl 5
Hartford, CT 06108
Phone (860) 282-4022
100 Grand St
New Britain, CT 06052
Phone (860) 224-5011
345 Whitney Ave
New Haven, CT 06511
Phone (203) 503-0450
505 Willard Ave
Newington, CT 06111
Phone (860) 224-6709
326 Washington St
Norwich, CT 06360
Phone (860) 701-0140
37 Kennedy Dr
Ste C
Putnam, CT 06260
Phone (860) 423-7558
30 Waterchase Dr
Rocky Hill, CT 06067
Phone (860) 257-4131
30 Waterchase Dr
Ste 2
Rocky Hill, CT 06067
2 Corporate Dr
Ste 955
Shelton, CT 06484
Phone (203) 929-7375
778 Long Ridge Rd
Stamford, CT 06902
Phone (203) 322-2400
540 Litchfield St
Torrington, CT 06790
Phone (860) 496-6361
64 Robbins St
Waterbury, CT 06708
Phone (203) 573-7142
1185 Main St
Willimantic, CT 06226
Phone (860) 423-7558
539 Danbury Rd
Wilton, CT 06897
Phone (203) 834-7700
363 Highland Ave
Fall River, MA 02720
Phone (508) 679-7052
534 Prospect St
Fall River, MA 02720
Phone (508) 679-7766
1 General St
Lawrence, MA 01841
Phone (978) 946-8103
Organizations & group practices 18
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Anesthesiology Physician
- Stamford, CT
- NPI 1942622378
-
- Anesthesiology Physician
- Torrington, CT
- NPI 1447233176
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- Fall River, MA
- NPI 1457867020
Nurse Anesthetist, Certified Registered
-
- Family Medicine Physician
- Fairhaven, MA
- NPI 1336137629
-
dba Long Island Anesthesia Associates
- Anesthesiology Physician
- East Meadow, NY
- NPI 1629272141
-
- Anesthesiology Physician
- Lowell, MA
- NPI 1114927282
-
- Anesthesiology Physician
- Willimantic, CT
- NPI 1306905799
-
- Anesthesiology Physician
- West Hartford, CT
- NPI 1730674532
-
- Gastroenterology Physician
- Hartford, CT
- NPI 1023124625
-
- Anesthesiology Physician
- Shelton, CT
- NPI 1881636397
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- New Britain, CT
- NPI 1316994775
-
- Ambulatory Family Planning Facility
- New Haven, CT
- NPI 1174633143
Nurse Anesthetist, Certified Registered
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Torrington, CT
- NPI 1629075734
-
dba Merrimack Health Lawrence Hospital
- General Acute Care Hospital
- Lawrence, MA
- NPI 1750381281
-
dba Tobey Hospital
- General Acute Care Hospital
- Wareham, MA
- NPI 1922024835
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1265155200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783641600000",
"number": "1801128608",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "99 EAST RIVER DRIVE",
"address_2": "5TH FLOOR",
"city": "EAST HARTFORD",
"state": "CT",
"postal_code": "061087301",
"telephone_number": "860-282-0833"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "326 WASHINGTON ST",
"city": "NORWICH",
"state": "CT",
"postal_code": "063602740",
"telephone_number": "860-889-8331"
}
],
"practiceLocations": [
{
"address_1": "1 Medical Center Dr",
"address_purpose": "LOCATION",
"city": "Lebanon",
"state": "NH",
"postal_code": "037560001",
"country_code": "US",
"telephone_number": "603-650-5000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "263 Farmington Ave",
"address_purpose": "LOCATION",
"city": "Farmington",
"state": "CT",
"postal_code": "060321956",
"country_code": "US",
"telephone_number": "860-679-2000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "PILECKI",
"first_name": "MAREK",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2010-02-03",
"last_updated": "2026-07-10",
"certification_date": "2026-07-10",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "CT",
"license": "4297",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mpilecki10423@direct.med.uchc.edu",
"affiliation": "N",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"address_1": "263 Farmington Ave",
"city": "Farmington",
"state": "CT",
"country_code": "US",
"postal_code": "060321956",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Norwich, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.