NPIMap

Individual provider Active NPI

Denis Balaban, MD

  • Neurology Physician
  • Seattle, WA
National Provider Identifier
1326577685
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
MD.MD.70106779 Issued in WA
Practice address
1959 NE Pacific St
Seattle, WA 98195-0001
Phone
(206) 520-5000
NPI assigned
Jun 8, 2017
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X MD.MD.70106779 WA Primary

Addresses

Primary practice location

1959 NE Pacific St
Seattle, WA 98195-0001

Mailing address

PO Box 50095
Seattle, WA 98145-5095

Other practice location 1

1550 N 115th St
Seattle, WA 98133-8401
Phone (206) 520-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220811000185 MA Practitioner - Neurology 8426328337 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
University of Florida College of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD.MD.70106779WAMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Jul 1, 2022 Accepting new patients
Martha's Vineyard Hospital, Inc. CurrentSince Aug 28, 2023 Accepting new patients
Martha's Vineyard Hospital, Inc. Internal Medicine Current Accepting new patients
General Hospital Corp Current Accepting new patients
Martha's Vineyard Hospital, Inc. Internal Medicine CurrentSince Aug 28, 2023 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Jul 1, 2022 Accepting new patients

Locations

15 Parkman St
Boston, MA 02114
Phone (617) 726-3023

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

75 Francis St
Boston, MA 02115

1 Hospital Rd
Oak Bluffs, MA 02557
Phone (508) 684-4500

52 Second Ave
Waltham, MA 02451
Phone (781) 341-3966

Interoperability endpoints

  • Direct secure messaging: balaban.denis.mgh@direct.partners.masshiway.net
  • Direct secure messaging: dbalaban87607@tuftsmedicine.direct-ci.com

Organizations & group practices 6

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

Hospital & facility affiliations 6

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": "1496880000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1326577685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1959 NE PACIFIC ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981950001",
            "telephone_number": "206-520-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1550 N 115th St",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981338401",
            "country_code": "US",
            "telephone_number": "206-520-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BALABAN",
        "first_name": "DENIS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-06-08",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "WA",
            "license": "MD.MD.70106779",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.