Stephanie Von Csiky-Sessoms

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

1023183 Issued in MA

Practice address

485 Arsenal St
Watertown, MA 02472-5091

Phone

(617) 657-6425

NPI assigned

Mar 27, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Dermatology

Education

Icahn School of Medicine at Mount Sinai, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Atrius Health IncGroup PAC ID 4789588641, 1,214 clinicians

Reliant Medical Group IncGroup PAC ID 5597755322, 638 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: svoncsikysessomsmd409347@direct.atrius.masshiway.net

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.

• Atrius Health, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1871639914

  Dermatology

  Medicare reassignment Care Compare group NPD
• Reliant Medical Group, Inc

  • Family Medicine Physician
  • Worcester, MA
  • NPI 1720017528
  Medicare reassignment Care Compare group NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Beverly, MA
  • NPI 1114265634
  NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1740238526

  Dermatology

  NPD (past)

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

{
    "created_epoch": "1585267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757980800000",
    "number": "1780212795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "485 ARSENAL ST",
            "city": "WATERTOWN",
            "state": "MA",
            "postal_code": "024725091",
            "telephone_number": "617-657-6425"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "485 ARSENAL ST",
            "city": "WATERTOWN",
            "state": "MA",
            "postal_code": "024725091",
            "telephone_number": "617-657-6425"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5 Neponset St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016062714",
            "country_code": "US",
            "telephone_number": "508-595-2655",
            "fax_number": "508-425-5220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VON CSIKY-SESSOMS",
        "first_name": "STEPHANIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-27",
        "last_updated": "2025-09-16",
        "certification_date": "2025-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "1023183",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Dermatology Physician in Watertown, MA
• Providers in Watertown, MA by specialty
• Dermatology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 2025; 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.