Jon Hyrum Neilson II, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

R78250 Issued in AZ

Practice address

6060 N Fountain Plaza Dr Ste 270
Tucson, AZ 85704-7873

Phone

(520) 258-0582

Fax

(520) 258-0583

NPI assigned

May 13, 2020

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in AZ

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jon.neilson.ii.1@1576.direct.athenahealth.com

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.

• Northwest Allied Physicians LLC

  • General Practice Physician
  • Tucson, AZ
  • NPI 1003833179
  Medicare reassignment NPD
• Northwest Allied Physicians, LLC

  • Durable Medical Equipment & Medical Supplies
  • Oro Valley, AZ
  • NPI 1821302910
  NPD
• Northwest Hospital LLC

  dba Northwest Medical Center

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1487607784
  NPD (past)

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

{
    "created_epoch": "1589328000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755907200000",
    "number": "1558983502",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6060 N FOUNTAIN PLAZA DR STE 270",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857047873",
            "telephone_number": "520-258-0582",
            "fax_number": "520-258-0583"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6060 N FOUNTAIN PLAZA DR STE 270",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857047873",
            "telephone_number": "520-258-0582",
            "fax_number": "520-258-0583"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEILSON",
        "first_name": "JON",
        "middle_name": "HYRUM",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-13",
        "last_updated": "2025-08-23",
        "certification_date": "2025-08-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "AZ",
            "license": "R78250",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jon.neilson.ii.1@1576.direct.athenahealth.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "6060 N Fountain Plaza Dr Ste 270",
            "city": "Tucson",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "857047873",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Stephanie Neidermyer, LMFT, LLC
• Samantha Rae Neidig, PT, DPT
• Kathleen Sue Neighbor, L.C.S.W.
• Neighborhood Clinic NV LLC
• Eric Hilding Neilson III, RPH.
• Andrew Nejad, M.D.
• Ryan Louis Nelkin, M.D.
• Nicole M Nelson-Bridges, PA-C
• Kailyn Nelson-Brown, OTR
• Anna Christine Nelson-Moseke, MD

• Pediatrics Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Pediatrics Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 23, 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.