Individual provider Active NPI

Ryan Instrum, MD

  • Otolaryngology Physician
  • Burlington, MA
National Provider Identifier
1821775701
Registry record updated Jun 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
1023858 Issued in MA
Practice address
41 Mall Rd
Burlington, MA 01805-6007
Phone
(781) 744-8000
NPI assigned
Jul 3, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 19, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Plastic and Reconstructive Surgery Physician 2086S0122X P122087 NY
Surgical Oncology Physician 2086X0206X P122087 NY
Otolaryngology Physician 207Y00000X 1023858 MA Primary

Addresses

Primary practice location

41 Mall Rd
Burlington, MA 01805-6007

Mailing address

PO Box 24520
New York, NY 10087-3720

Other practice location 1

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-7537

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20250618000545 MA Practitioner - Otolaryngology 5193236941 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Lahey Clinic IncGroup PAC ID 2264336528, shared by 3 NPIs, 1,381 clinicians

Practice addresses (Care Compare)

1 Essex Ctr Dr
Peabody, MA 01960-2901
Phone (978) 538-4000

29 Mall Rd
Burlington, MA 01805-0001

41 Mall Rd
Burlington, MA 01805-0001

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
1023858MAMDOtolaryngology Physician
P122087NYMDPlastic and Reconstructive Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lahey Clinic, Inc. CurrentSince Jun 1, 2025 Accepting new patients
Lahey Clinic, Inc CurrentSince Jun 1, 2025 Accepting new patients

Locations

41 Mall Rd
Burlington, MA 01805
Phone (781) 744-8400

Interoperability endpoints

  • Direct secure messaging: rinstrum31389@mskcc.direct-ci.com

Organizations & group practices 2

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.

Hospital & facility affiliations 5

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": "1688342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750291200000",
    "number": "1821775701",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 24520",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100873720"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "41 MALL RD",
            "city": "BURLINGTON",
            "state": "MA",
            "postal_code": "018056007",
            "telephone_number": "781-744-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1275 York Ave",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100656007",
            "country_code": "US",
            "telephone_number": "212-639-7537",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "INSTRUM",
        "first_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-07-03",
        "last_updated": "2025-06-19",
        "certification_date": "2025-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0122X",
            "taxonomy_group": "",
            "desc": "Surgery, Plastic and Reconstructive Surgery",
            "state": "NY",
            "license": "P122087",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "NY",
            "license": "P122087",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "MA",
            "license": "1023858",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Burlington, MA

Sources for this page

Verify at the official NPI Registry.