William J. Waldron, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

26NJ00413200 Issued in NJ

Practice address

24 Hospital LN
Calais, ME 04619-1329

Phone

(207) 454-7521

Fax

(207) 454-9247

NPI assigned

Sep 29, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 6

Medicare fee-for-service enrollment

Enrolled in PA, IA, OR, TX, NJ, ME, NH7 enrollments

Enrollment records 7

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Littleton Hospital AssociationGroup PAC ID 6901796556, 111 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Littleton Regional Healthcare Hospital, Littleton, NH, CCN 301302
• Myrtue Medical Center Hospital, Harlan, IA, CCN 161374

Merit-based Incentive Payment System (MIPS)

Final score

98.3 of 100Reported as group

Promoting interoperability

98

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/6b68bc92-a317-4686-a79a-fbb1b58a509e/

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.

• Littleton Hospital Association

  • Critical Access Hospital
  • Littleton, NH
  • NPI 1144223702

  NH

  Medicare reassignment Care Compare group NPD
• Calais Community Hospital

  • Critical Access Hospital
  • Calais, ME
  • NPI 1922001049

  ME

  Medicare reassignment NPD
• Down East Community Hospital

  • Certified Registered Nurse Anesthetist
  • Machias, ME
  • NPI 1700883139

  ME, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Allied Digestive Health, LLC

  • Gastroenterology Physician
  • West Long Beach, NJ
  • NPI 1265831259

  NJ

  Medicare reassignment NPD
• Broadlawns Medical Center

  • General Acute Care Hospital
  • Des Moines, IA
  • NPI 1467447508

  IA

  Medicare reassignment NPD
• Jersey Shore Anesthesiology Associates PA

  • Anesthesiology Physician
  • Neptune, NJ
  • NPI 1538190764

  NJ

  Medicare reassignment NPD
• Nazareth Endoscopy Center, LLC

  • Ambulatory Surgical Clinic/Center
  • Easton, PA
  • NPI 1508400920

  Nurse Anesthetist, Certified Registered, PA

  Medicare reassignment NPD
• On-Site Anesthesia Services Inc

  • Certified Registered Nurse Anesthetist
  • Lake Oswego, OR
  • NPI 1669417176

  Nurse Anesthetist, Certified Registered, OR

  Medicare reassignment NPD
• Rosebud Indian Health Service

  • General Acute Care Hospital
  • Rosebud, SD
  • NPI 1194757369

  TX

  Medicare reassignment NPD
• Rwjbh Emergency Medicine Associates, LLC

  • Emergency Medicine Physician
  • Somerset, NJ
  • NPI 1912510041

  NJ

  Medicare reassignment NPD
• Rwjbh Observation Associates LLC

  • Emergency Medicine Physician
  • Livingston, NJ
  • NPI 1760095806

  NJ

  Medicare reassignment NPD
• Shelby County Chris a Myrtue Memorial Hospital

  • Critical Access Hospital
  • Harlan, IA
  • NPI 1598871469

  IA

  Medicare reassignment NPD

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

• Littleton Hospital Association

  • Critical Access Hospital
  • Littleton, NH
  • NPI 1144223702

  Hospital

  Care Compare affiliation
• Shelby County Chris a Myrtue Memorial Hospital

  • Critical Access Hospital
  • Harlan, IA
  • NPI 1598871469

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1127952000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1073500633",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 HOSPITAL LN",
            "city": "CALAIS",
            "state": "ME",
            "postal_code": "046191329",
            "telephone_number": "207-454-7521",
            "fax_number": "207-454-9247"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24 HOSPITAL LN",
            "city": "CALAIS",
            "state": "ME",
            "postal_code": "046191329",
            "telephone_number": "207-454-7521",
            "fax_number": "207-454-9247"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALDRON",
        "first_name": "WILLIAM",
        "middle_name": "J.",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-29",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NJ",
            "license": "26NJ00413200",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "PA",
            "license": "RN320844L",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "PA",
            "license": "047978",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ME",
            "license": "RNA243044",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAPITAL ADVANTAGE",
            "identifier": "50003218",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "INDEP. BLUE CROSS",
            "identifier": "211803000",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GEISINGER",
            "identifier": "78003",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KHP CENTRAL",
            "identifier": "1433520",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAIL ROAD MEDICARE",
            "identifier": "430075687",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK",
            "identifier": "1433520",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Certified Registered Nurse Anesthetist in Calais, ME
• Providers in Calais, 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 Sep 2, 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.