Mark Dinsmore McAllister, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

5989 Issued in NV

Practice address

645 N Arlington Ave
Suite 250a
Reno, NV 89503-4505

Phone

(775) 329-7707

Fax

(775) 329-7767

NPI assigned

Sep 26, 2006

Last updated

May 15, 2026By the provider in NPPES

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NV

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

Diagnostic Radiology

Education

State University of Ny Upstate Medical University, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Saint Marys Medical Group IncGroup PAC ID 7618113523, 52 clinicians

Radiology Consultants LTDGroup PAC ID 9032195128, 35 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Mary's Regional Medical Center Hospital, Reno, NV, CCN 290009

Merit-based Incentive Payment System (MIPS)

Final score

96.85 of 100Reported as group

Quality

96.3

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: mark.mcallistermd.p1@direct.smmg.nextgenshare.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.

• Radiology Consultants, LTD.

  • Diagnostic Radiology Physician
  • Reno, NV
  • NPI 1285735571
  Medicare reassignment Care Compare group NPD
• Saint Marys Medical Group Inc.

  dba Saint Mary's Medical Group

  • Primary Care Clinic/Center
  • Reno, NV
  • NPI 1538424239

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Saint Mary's Medical Group Inc

  dba Saint Mary's Outpatient Pharmacy

  • Community/Retail Pharmacy
  • Reno, NV
  • NPI 1447635578
  NPD
• Saint Marys Urgent Care LLC

  dba Saint Mary's Urgent Care

  • Multi-Specialty Clinic/Center
  • Reno, NV
  • NPI 1275898975
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Prime Healthcare Services - Reno LLC

  dba Saint Mary's Regional Medical Center

  • General Acute Care Hospital
  • Reno, NV
  • NPI 1801152566
  Care Compare affiliation
• Prime Healthcare Services Reno LLC

  dba Reno Cyberknife

  • Oncology Clinic/Center
  • Reno, NV
  • NPI 1316442346

  Hospital

  Care Compare affiliation
• Prime Healthcare Services Reno LLC

  • Rehabilitation Hospital Unit
  • Reno, NV
  • NPI 1851658025
  Care Compare affiliation

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

{
    "created_epoch": "1159228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1346341682",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 21568",
            "address_2": "DEPT 284",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741211568",
            "telephone_number": "800-915-3089"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "645 N ARLINGTON AVE",
            "address_2": "SUITE 250A",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895034505",
            "telephone_number": "775-329-7707",
            "fax_number": "775-329-7767"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCALLISTER",
        "first_name": "MARK",
        "middle_name": "DINSMORE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-26",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NV",
            "license": "5989",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "201630",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Wendy Louise MC Dade, RPH
• Barton Wayne McAfee
• Cayla McAlister
• Marcus McAlister
• Maurqesha McAlister
• Teal McAllister, LBA, BCBA, RBT
• Lori McArthur, OTR L
• Michael McArthur
• Noel McArtor, LPN
• Jill M McAtee, AG-ACNP-BC, FNP-BC

• Diagnostic Radiology Physician in Reno, NV
• Providers in Reno, NV by specialty
• Diagnostic Radiology Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 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.
• 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.