Stephen Craig Ellen, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

73606 Issued in MA

Practice address

1 Main St
Nashua, NH 03064-2716

Phone

(603) 883-0005

NPI assigned

Jun 5, 2006

Sex

Male

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

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Feb 9, 2025 through Feb 9, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Atlas Behavioral Health PC

  • Adult Mental Health Clinic/Center
  • Norwood, MA
  • NPI 1730919077
  NPD (past)

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

{
    "created_epoch": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700825791",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "115 PAGE RD",
            "city": "BEDFORD",
            "state": "MA",
            "postal_code": "017301817",
            "telephone_number": "603-883-0005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MAIN ST",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030642716",
            "telephone_number": "603-883-0005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELLEN",
        "first_name": "STEPHEN CRAIG",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "73606",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bernadine Desrosiers Egwuatu
• Jana El-Sayed
• Karen Ela, MSW
• Olalekan O Elesho, MSW
• Marielle Elie, BS
• Leah Elliott, LICSW
• Sarah Elliott, BS
• Abby Lee Ellis
• Elon Medical Supply LLC
• Emmaus Institute Counseling Services

• Psychiatry Physician in Nashua, NH
• Providers in Nashua, NH by specialty
• Psychiatry Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.