Oliver Johnson

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA8349 Issued in MA

Practice address

819 Worcester St Ste 1
Springfield, MA 01151-1056

Phone

(413) 304-2501

NPI assigned

Jul 20, 2021

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

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

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.

• CH Specialty Services Ma PC

  • Internal Medicine Physician
  • Springfield, MA
  • NPI 1902510720
  Medicare reassignment
• Curana Health of Massachusetts LLC

  • Internal Medicine Physician
  • Springfield, MA
  • NPI 1154779445
  Medicare reassignment

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

{
    "created_epoch": "1626739200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1922671700",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "819 WORCESTER ST STE 1",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011511056"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "819 WORCESTER ST STE 1",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011511056",
            "telephone_number": "413-304-2501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "OLIVER",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-07-20",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA8349",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karin G Johnson, MD
• Kristan Johnson
• Madelyn Rae Johnson, RN
• Meredith L. Johnson
• Neffertari Johnson
• Oren Wayne Johnson, MD
• Raymond Johnson, LICSW
• Rebecca Kate Johnson, CNM
• Richard R Johnson Sr.
• Season Dee Johnson

• Physician Assistant in Springfield, MA
• Providers in Springfield, MA by specialty
• Physician Assistant in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.