Catherine Helen Topor Diaz, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA1892 Issued in NV

Practice address

975 Ryland St Ste 100
Reno, NV 89502-1669

Phone

(775) 982-5000

Fax

(775) 982-5225

NPI assigned

Aug 6, 2014

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Catherine Helen Topor Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Community Care Services LLCGroup PAC ID 1951324318, 630 clinicians

Hometown Health Management CompanyGroup PAC ID 0244139798, 184 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Carson Tahoe Regional Medical Center Hospital, Carson City, NV, CCN 290019
• Renown Regional Medical Center Hospital, Reno, NV, CCN 290001

Merit-based Incentive Payment System (MIPS)

Final score

90.65 of 100Reported as group

Quality

83.01

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

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.

• Hometown Health Management Company

  • Family Medicine Physician
  • Sparks, NV
  • NPI 1861445892

  Physician Assistant

  Medicare reassignment Care Compare group NPD
• Community Care Services LLC

  • Internal Medicine Physician
  • Reno, NV
  • NPI 1720031768
  Medicare reassignment Care Compare group
• Community Care Services LLC

  • Diagnostic Radiology Physician
  • Reno, NV
  • NPI 1053272989
  NPD
• Community Care Services LLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Reno, NV
  • NPI 1699246124

  Physician Assistant

  NPD
• Hometown Health Management Company

  • Family Medicine Physician
  • Reno, NV
  • NPI 1841761277

  Physician Assistant

  NPD

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

• Carson Tahoe Regional Healthcare

  • General Acute Care Hospital
  • Carson City, NV
  • NPI 1255360160
  Care Compare affiliation
• Carson Tahoe Regional Healthcare

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Carson City, NV
  • NPI 1568281988

  Hospital

  Care Compare affiliation
• Renown Regional Medical Center

  • General Acute Care Hospital
  • Reno, NV
  • NPI 1124098421
  Care Compare affiliation
• Renown Regional Medical Center

  • General Acute Care Hospital
  • Sparks, NV
  • NPI 1932517299
  Care Compare affiliation

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

{
    "created_epoch": "1407283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1922417625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1155 MILL ST MCM14",
            "city": "RENO",
            "state": "NV",
            "postal_code": "89502",
            "telephone_number": "775-982-5262",
            "fax_number": "775-982-5496"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "975 RYLAND ST STE 100",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895021669",
            "telephone_number": "775-982-5000",
            "fax_number": "775-982-5225"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TOPOR DIAZ",
        "first_name": "CATHERINE",
        "middle_name": "HELEN",
        "name_prefix": "Ms.",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-08-06",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NV",
            "license": "PA1892",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CATHERINE",
            "last_name": "TOPOR",
            "middle_name": "HELEN",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Blaine Tonso
• Tony Marek Inc
• Elizabeth Tonyan
• Ryan Patrick Toomey, RYAN TOOMEY
• Amber Topol, PHARMD
• Dylan Toppa
• Marisa Torch, MA, MFT
• William C Torch, MD
• Gloria Leigh Torma, MSW, LCSWI
• Garth William Tormoen, MD

• Physician Assistant in Reno, NV
• Providers in Reno, NV by specialty
• Physician Assistant in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 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.