Individual provider Active NPI

Marek Pilecki, CRNA

  • Certified Registered Nurse Anesthetist
  • Norwich, CT
National Provider Identifier
1801128608
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
4297 Issued in CT
Practice address
326 Washington St
Norwich, CT 06360-2740
Phone
(860) 889-8331
NPI assigned
Feb 3, 2010
Last updated
Jul 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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, NH4 enrollments

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
I20101006001039 CT Practitioner - Certified Registered Nurse Anesthetist (Crna) 1850427840 Reassigns benefits to 9 organizations
I20210223001036 NY Practitioner - Certified Registered Nurse Anesthetist (Crna) 1850427840 Reassigns benefits to 2 organizations
I20240207003933 MA Practitioner - Certified Registered Nurse Anesthetist (Crna) 1850427840 Reassigns benefits to 5 organizations
I20260504004938 NH Practitioner - Certified Registered Nurse Anesthetist (Crna) 1850427840 Reassigns benefits to 1 organization

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
Southcoast Physicians Group IncGroup PAC ID 0749171957, 875 clinicians
Upstate Anesthesia Services, P.C.Group PAC ID 0840383857, 47 clinicians
North American Partners in Anesthesia Massachusetts LLCGroup PAC ID 8820350713, 37 clinicians
Lowell Anesthesiology Service IncGroup PAC ID 3072556141, 98 clinicians
Resource Anesthesiology Associates of CT PCGroup PAC ID 7517991052, 28 clinicians
Amsurg Stamford Anesthesia LLCGroup PAC ID 6305066341, 11 clinicians

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

OrganizationSpecialtyStatusNew patients
Connecticut Gi PLLC CurrentSince Jan 1, 2023 Accepting new patients
Pioneer Sedation PLLC Nurse Anesthetist, Certified Registered CurrentSince Dec 17, 2023 Accepting new patients
Planned Parenthood of Southern New England, Inc. Nurse Anesthetist, Certified Registered CurrentSince Jun 1, 2022 Accepting new patients
Anesthesia Associates of Willimantic PC CurrentSince May 9, 2016 Accepting new patients
North American Partners in Anesthesia Connecticut PC CurrentSince Jul 26, 2013 Accepting new patients
Southcoast Physicians Group, Inc. CurrentSince Dec 4, 2024 Accepting new patients
Woodland Anesthesia Associates PC CurrentSince Dec 26, 2010 Accepting new patients
Resource Anesthesiology Associates of CT PC Nurse Anesthetist, Certified Registered CurrentSince Jul 15, 2021 Accepting new patients
North American Partners in Anesthesia Massachusetts LLC Nurse Anesthetist, Certified Registered CurrentSince Sep 11, 2025 Accepting new patients
Upstate Anesthesia Services, P.C. CurrentSince Feb 17, 2021 Accepting new patients
Charter Anesthesiology LLC CurrentSince Jul 6, 2020 Accepting new patients
Integrated Anesthesia Associates LLC Nurse Anesthetist, Certified Registered CurrentSince Jan 4, 2017 Accepting new patients
Lynbrook Anesthesia Services, PC CurrentSince Sep 27, 2021 Accepting new patients
Southcoast Physicians Group, Inc. CurrentSince Dec 4, 2024 Accepting new patients
Amsurg Stamford Anesthesia LLC CurrentSince Apr 28, 2022 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.

View all 18

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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.

Verify at the official NPI Registry.