Rob Ashby, M.D.

Primary specialty

Addiction Medicine (Preventive Medicine) PhysicianTaxonomy code 2083A0300X

License

13504 Issued in AZ

Practice address

3636 Crossings Dr
Prescott, AZ 86305-7190

Phone

(928) 778-5097

Fax

(407) 633-7536

NPI assigned

Nov 29, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

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 Jun 3, 2021 through Jun 3, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Rob Ashby MD

  • Addiction Medicine (Preventive Medicine) Physician
  • Prescott, AZ
  • NPI 1114718137

  Pain Medicine

  NPD Authorized official
• Arrowhead Lodge, LLC

  • Substance Abuse Rehabilitation Facility
  • Prescott, AZ
  • NPI 1124454236
  NPD (past)
• Katherine Cheeves MD, PLLC

  • Psychiatry Physician
  • Prescott, AZ
  • NPI 1003470840
  NPD (past)
• Silver Sands Recovery, LLC

  • Substance Abuse Rehabilitation Facility
  • Prescott, AZ
  • NPI 1194278457
  NPD (past)

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

{
    "created_epoch": "1164758400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747353600000",
    "number": "1174690606",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2238 W MOUNTAIN OAK RD",
            "city": "PRESCOTT",
            "state": "AZ",
            "postal_code": "863058774",
            "telephone_number": "928-778-5097",
            "fax_number": "833-249-7281"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3636 CROSSINGS DR",
            "city": "PRESCOTT",
            "state": "AZ",
            "postal_code": "863057190",
            "telephone_number": "928-778-5097",
            "fax_number": "407-633-7536"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ASHBY",
        "first_name": "ROB",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-29",
        "last_updated": "2025-05-16",
        "certification_date": "2025-05-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LA0401X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Addiction Medicine",
            "state": "AZ",
            "license": "13504",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "AZ",
            "license": "13504",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "AZ",
            "license": "13504",
            "primary": false
        },
        {
            "code": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "AZ",
            "license": "13504",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael Anthony Arroyo, MD
• James Brayshaw Arthur, M.D.
• Ascend Autism Spectrum Center for Educational and Neurological Develop
• Julia Ascoly, M.S. ED., CCC-SLP
• Catherine Lee Ashby, PHARMD
• Hojat Askari, MD
• Adam Asplund
• Mansour H. Assar, M.D.
• Assisteo North Hospice, LLC
• Assisteo North Palliative Care, LLC

• Addiction Medicine (Preventive Medicine) Physician in Prescott, AZ
• Providers in Prescott, AZ by specialty
• Addiction Medicine (Preventive Medicine) Physician in Arizona

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

Verify at the official NPI Registry.