Christopher J Knox, D.O.

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

License

1024455 Issued in MA

Practice address

1 Wallace Bashaw Way Ste 3002
Newburyport, MA 01950-3877

Phone

(978) 997-1550

Fax

(978) 688-8200

NPI assigned

Dec 23, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NH, MA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Otolaryngology

Education

University of New England, College of Osteo Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Colden Ear Nose Throat and Allergy LLCGroup PAC ID 3678890597, 6 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Anna Jaques Hospital Hospital, Newburyport, MA, CCN 220029
• Holy Family Hospital Hospital, Methuen, MA, CCN 220080

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com

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.

• Colden Ear Nose Throat & Allergy LLC

  • Otolaryngology Physician
  • Newburyport, MA
  • NPI 1871903872
  Medicare reassignment Care Compare group NPD
• Colden Ear Nose Throat & Allergy LLC

  • Otolaryngology Physician
  • Newburyport, MA
  • NPI 1295786465
  Medicare reassignment NPD
• Beaver Dam Community Hospitals Inc

  • Pharmacy
  • Beaver Dam, WI
  • NPI 1295771780
  NPD
• Beaver Dam Community Hospitals Inc

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1972188555
  NPD
• Flambeau Hospital Inc

  • Clinic/Center
  • Park Falls, WI
  • NPI 1194317966
  NPD
• Flambeau Hospital Inc

  • Critical Access Hospital
  • Park Falls, WI
  • NPI 1700963048
  NPD
• Lakeview Medical Center Inc of Rice Lake

  • Clinic/Center
  • Rice Lake, WI
  • NPI 1093201832
  NPD
• Lakeview Medical Center Inc of Rice Lake

  • Clinic/Center
  • Chetek, WI
  • NPI 1659008605
  NPD
• Marshfield Clinic Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434
  NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Eau Claire, WI
  • NPI 1316416035
  NPD
• MCHS Hospitals Inc

  • Durable Medical Equipment & Medical Supplies
  • Eau Claire, WI
  • NPI 1558230847
  NPD

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

• Anna Jaques Hospital

  • General Acute Care Hospital
  • Newburyport, MA
  • NPI 1992779482
  Care Compare affiliation
• LG Newcorp Inc

  • General Acute Care Hospital
  • Methuen, MA
  • NPI 1265267991
  Care Compare affiliation

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

{
    "created_epoch": "1166832000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1760547418",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 WALLACE BASHAW WAY STE 3002",
            "city": "NEWBURYPORT",
            "state": "MA",
            "postal_code": "019503877",
            "telephone_number": "978-997-1550",
            "fax_number": "978-688-8200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 WALLACE BASHAW WAY STE 3002",
            "city": "NEWBURYPORT",
            "state": "MA",
            "postal_code": "019503877",
            "telephone_number": "978-997-1550",
            "fax_number": "978-688-8200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "62 Brown St Ste 301",
            "address_purpose": "LOCATION",
            "city": "Haverhill",
            "state": "MA",
            "postal_code": "018306790",
            "country_code": "US",
            "telephone_number": "978-997-1550",
            "fax_number": "978-499-8200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KNOX",
        "first_name": "CHRISTOPHER",
        "middle_name": "J",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-23",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "WI",
            "license": "81920",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "MA",
            "license": "1024455",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3076938",
            "state": "NH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "Marshfield Clinic",
            "address_2": "1000 N Oak Avenue",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "54449",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Maureen Anne Kittredge, CNP
• Amber Marie Klein-Adam, ARNP
• Laura Lynn Klidaras
• Brian Kent Klink, MD
• Sally Cargill Knapp, MPH, RD, CSP, LDN
• James W. Koglin, D.D.S
• Kohli Plastic Surgery PC
• Doron E. Korinow, MD
• Gretchen Kosegarten
• Michael F Kutka, MD

• Otolaryngology Physician in Newburyport, MA
• Providers in Newburyport, MA by specialty
• Otolaryngology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.