Cassie Deann Prendergast, DNP, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

RNA243064 Issued in ME

Practice address

22 Bramhall St
Portland, ME 04102-3134

Phone

(207) 221-4286

NPI assigned

Jun 17, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Cassie Deann Cook Former name

Medicare fee-for-service enrollment

Enrolled in PA, ME2 enrollments

Enrollment records 2

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Maine Medical Center Hospital, Portland, ME, CCN 200009

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Mainehealth

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  Medicare reassignment Care Compare group NPD
• University of Penn-Medical Group

  • Gynecologic Oncology Physician
  • Philadelphia, PA
  • NPI 1235527342
  Medicare reassignment NPD
• Mainehealth

  • Critical Access Hospital
  • Damariscotta, ME
  • NPI 1912094806
  Medicare reassignment
• Mainehealth

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Family Medicine Physician
  • Portland, ME
  • NPI 1639194509
  NPD
• University of Penn-Medical Group

  • Dermatopathology Physician
  • Philadelphia, PA
  • NPI 1073902169
  NPD
• University of Penn-Medical Group

  • Surgical Oncology Physician
  • Philadelphia, PA
  • NPI 1871981985
  NPD
• Mainehealth

  • Family Medicine Physician
  • Portland, ME
  • NPI 1629761978
  NPD (past)
• Mainehealth

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1760436216
  NPD (past)

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

• Mainehealth

  • Orthopaedic Trauma Physician
  • Portland, ME
  • NPI 1003113127

  Hospital

  Care Compare affiliation
• Mainehealth

  • Internal Medicine Physician
  • Windham, ME
  • NPI 1023321593

  Hospital

  Care Compare affiliation
• Mainehealth

  • General Acute Care Hospital
  • Scarborough, ME
  • NPI 1053647024
  Care Compare affiliation
• Mainehealth

  • Maternal & Fetal Medicine Physician
  • Portland, ME
  • NPI 1063726891

  Hospital

  Care Compare affiliation
• Mainehealth

  • Infectious Disease Physician
  • Portland, ME
  • NPI 1073701157

  Hospital

  Care Compare affiliation
• Mainehealth

  • Geriatric Medicine (Internal Medicine) Physician
  • Portland, ME
  • NPI 1164610242

  Hospital

  Care Compare affiliation
• Mainehealth

  • Pediatric Critical Care Medicine Physician
  • Portland, ME
  • NPI 1265536817

  Hospital

  Care Compare affiliation
• Mainehealth

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1346267879
  Care Compare affiliation
• Mainehealth

  • Endocrinology, Diabetes & Metabolism Physician
  • Scarborough, ME
  • NPI 1356651038

  Hospital

  Care Compare affiliation
• Mainehealth

  • Surgery Physician
  • Portland, ME
  • NPI 1376981993

  Hospital

  Care Compare affiliation
• Mainehealth

  • Pediatric Urology Physician
  • Portland, ME
  • NPI 1457540486

  Hospital

  Care Compare affiliation
• Mainehealth

  • Gastroenterology Physician
  • Portland, ME
  • NPI 1477850592

  Hospital

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1592352000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1992321863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023134",
            "telephone_number": "207-662-2526",
            "fax_number": "207-662-6236"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023134",
            "telephone_number": "207-221-4286"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059422",
            "country_code": "US",
            "telephone_number": "207-283-7042",
            "fax_number": "207-283-7047",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "123 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Brunswick",
            "state": "ME",
            "postal_code": "040112652",
            "country_code": "US",
            "telephone_number": "207-373-6000",
            "fax_number": "207-373-6080",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "84 Campus Dr",
            "address_purpose": "LOCATION",
            "city": "Scarborough",
            "state": "ME",
            "postal_code": "040747133",
            "country_code": "US",
            "telephone_number": "207-396-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "335 Brighton Ave",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "ME",
            "postal_code": "041022363",
            "country_code": "US",
            "telephone_number": "207-662-8000",
            "fax_number": "207-662-6234",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 June St",
            "address_purpose": "LOCATION",
            "city": "Sanford",
            "state": "ME",
            "postal_code": "040732621",
            "country_code": "US",
            "telephone_number": "207-490-7450",
            "fax_number": "207-490-7452",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6 Glen Cove Dr",
            "address_purpose": "LOCATION",
            "city": "Rockport",
            "state": "ME",
            "postal_code": "048564272",
            "country_code": "US",
            "telephone_number": "207-921-8400",
            "fax_number": "207-921-5280",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Campus Dr Unit 113",
            "address_purpose": "LOCATION",
            "city": "Scarborough",
            "state": "ME",
            "postal_code": "040747172",
            "country_code": "US",
            "telephone_number": "207-396-7750",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "118 Northport Ave",
            "address_purpose": "LOCATION",
            "city": "Belfast",
            "state": "ME",
            "postal_code": "049156009",
            "country_code": "US",
            "telephone_number": "207-338-9345",
            "fax_number": "207-338-8600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "35 Miles St",
            "address_purpose": "LOCATION",
            "city": "Damariscotta",
            "state": "ME",
            "postal_code": "045434047",
            "country_code": "US",
            "telephone_number": "207-563-4837",
            "fax_number": "207-563-4321",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PRENDERGAST",
        "first_name": "CASSIE",
        "middle_name": "DEANN",
        "credential": "DNP, CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-06-17",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ME",
            "license": "RNA243064",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CASSIE",
            "last_name": "COOK",
            "middle_name": "DEANN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Preble Street
• Preble Street
• Preble Street
• Matthew Bruce Predick, CRNA
• Premier Path LLC
• Glenn D Prentice, MD
• Rosemary L Prentice, NP
• Lisa C Prentiss, PA
• Preo Path Maine LLC
• William Charles Prescott

• Certified Registered Nurse Anesthetist in Portland, ME
• Providers in Portland, ME by specialty
• Certified Registered Nurse Anesthetist in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 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.