NPIMap

Organization Active NPI

Maryland ENT Center, LLC

  • Otolaryngology Physician
  • Baltimore, MD
National Provider Identifier
1689690513
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
Legal business name
MARYLAND ENT CENTER, LLC
Practice address
3333 N Calvert St Ste 360
Baltimore, MD 21218-2867
Phone
(410) 554-4455
Fax
(410) 554-2171
NPI assigned
Jul 14, 2006
Last updated
Sep 9, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2026

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

Authorized official

Name
Annette M Martyn, BS
Title
Practice Administrator
Phone
(847) 888-9000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207Y00000X Primary

Addresses

Primary practice location

3333 N Calvert St Ste 360
Baltimore, MD 21218-2867

Mailing address

3333 N Calvert St Ste 360
Baltimore, MD 21218-2867
Phone (443) 552-2653

Other names 1

  • Towson Ear Nose & Throat, LLC Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20081023000878 MD Part B Supplier - Clinic/Group Practice 4486712155 Receives reassigned benefits from 11 practitioners
Practice locations: Baltimore, MD; Lutherville, MD

National Provider Directory

National Provider Directory
Tax ID family
Maryland ENT Center3 organizations share this tax ID, including this one

Other organizations with this tax ID 2

Organizations that report the same tax identification number in the National Provider Directory.

Locations

200 E 33rd St
Ste 631
Baltimore, MD 21218
Phone (410) 261-8006

3333 N Calvert St
Baltimore, MD 21218
Phone (410) 235-5405

3333 N Calvert St
Ste 360
Baltimore, MD 21218
Phone (410) 321-1025

3333 N Calvert St
Ste 631
Baltimore, MD 21218
Phone (443) 552-2653

Practitioners & affiliated clinicians

Practitioners 14

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1152835200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788912000000",
    "number": "1689690513",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3333 N CALVERT ST STE 360",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182867",
            "telephone_number": "443-552-2653",
            "fax_number": "410-554-2171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3333 N CALVERT ST STE 360",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182867",
            "telephone_number": "410-554-4455",
            "fax_number": "410-554-2171"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARYLAND ENT CENTER, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-14",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A",
        "authorized_official_last_name": "MARTYN",
        "authorized_official_first_name": "ANNETTE",
        "authorized_official_middle_name": "M",
        "authorized_official_title_or_position": "PRACTICE ADMINISTRATOR",
        "authorized_official_telephone_number": "847-888-9000",
        "authorized_official_credential": "BS"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Otolaryngology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Towson Ear Nose & Throat, LLC",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in Baltimore, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.