Individual provider Active NPI

Matthew Sims Fiess, PA

  • Physician Assistant
  • Gonzales, CA
National Provider Identifier
1477080869
Registry record updated Jan 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
54480 Issued in CA
Practice address
850 5TH St
Gonzales, CA 93926-9491
Phone
(831) 675-3601
Fax
(831) 675-3966
NPI assigned
May 16, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 54480 CA Primary

Addresses

Primary practice location

850 5TH St
Gonzales, CA 93926-9491

Mailing address

100 Wilson Rd Ste 100
Monterey, CA 93940-7885
Phone (831) 242-8394

Other practice location 1

355 Abbott St Ste 100
Salinas, CA 93901-4484
Phone (831) 751-7070

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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

Enrollment IDStateProvider typePAC IDDetails
I20170628003508 CA Practitioner - Physician Assistant 0941579304 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Salinas Valley Memorial Healthcare SystemGroup PAC ID 8527027846, 18 clinicians

Practice addresses (Care Compare)

850 5TH St
Gonzales, CA 93926-9491
Phone (831) 675-3601

Hospital & facility affiliations

  • Community Hospital of the Monterey Peninsula Hospital, Monterey, CA, CCN 050145
  • Salinas Valley Health Medical Center Hospital, Salinas, CA, CCN 050334

Merit-based Incentive Payment System (MIPS)

Final score
85.47 of 100Reported as group
Quality
67.19
Promoting interoperability
100
Improvement activities
40
Cost
67.71

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Svmhs Clinics CurrentSince Jan 1, 2025 Accepting new patients
County of Monterey Behavioral Health CurrentSince May 6, 2024 Accepting new patients
County of Monterey CurrentSince May 6, 2024 Accepting new patients
Salinas Valley Hospitalist Medical Group, Inc Past Accepting new patients
Salinas Urgent Care Past Accepting new patients
Lancelot O Alexander MD a Medical Corporation Past Accepting new patients

Locations

850 5th St
Gonzales, CA 93926
Phone (831) 657-3601

100 Wilson Rd
Ste 100
Monterey, CA 93940
Phone (831) 242-8301

1441 Constitution Blvd
Bldg 151
Salinas, CA 93906
Phone (831) 755-8640

1033 Los Palos Dr
Salinas, CA 93901
Phone (831) 424-2866

355 Abbott St
Ste 100
Salinas, CA 93901
Phone (831) 751-7070

Interoperability endpoints

  • Direct secure messaging: matthew.fiess.1@14789.direct.athenahealth.com
  • Direct secure messaging: mfiess11426@direct.svmh.com

Organizations & group practices 9

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1494892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736812800000",
    "number": "1477080869",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WILSON RD STE 100",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "939407885",
            "telephone_number": "831-242-8394"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 5TH ST",
            "city": "GONZALES",
            "state": "CA",
            "postal_code": "939269491",
            "telephone_number": "831-675-3601",
            "fax_number": "831-675-3966"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "355 Abbott St Ste 100",
            "address_purpose": "LOCATION",
            "city": "Salinas",
            "state": "CA",
            "postal_code": "939014484",
            "country_code": "US",
            "telephone_number": "831-751-7070",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FIESS",
        "first_name": "MATTHEW",
        "middle_name": "SIMS",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-16",
        "last_updated": "2025-01-14",
        "certification_date": "2025-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "54480",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gonzales, CA

Sources for this page

Verify at the official NPI Registry.