Individual provider Active NPI

Alyssa Cole Mixon, DO

  • Physical Medicine & Rehabilitation Physician
  • Stanford, CA
National Provider Identifier
1144671116
Registry record updated Jul 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
20A25441 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Jun 30, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 28, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X 20A25441 CA Primary
Internal Medicine Physician 207R00000X 268206 MA
Physical Medicine & Rehabilitation Physician 208100000X 0102206785 VA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

515 Ray C Hunt Dr
Charlottesville, VA 22903-2981
Phone (434) 244-2000

Other practice location 2

1215 Lee St
Charlottesville, VA 22908-2981
Phone (434) 924-0211

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address amixon490879@direct.healthsystem.virginia.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, VA, CA3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20200615002972 PA Practitioner - Physical Medicine and Rehabilitation 3072887462 Reassigns benefits to 1 organization
I20210827000456 VA Practitioner - Physical Medicine and Rehabilitation 3072887462 Reassigns benefits to 1 organization
I20260615000721 CA Practitioner - Physical Medicine and Rehabilitation 3072887462 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
University of New England, College of Osteo Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

515 Ray C Hunt Dr
Charlottesville, VA 22903-2981
Phone (434) 244-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.45 of 100Reported as group
Quality
79.76
Promoting interoperability
100
Improvement activities
40
Cost
75.07

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
268206MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Virginia Physicians Group CurrentSince Aug 25, 2021 Accepting new patients
University of Penn-Medical Group Physical Medicine & Rehabilitation CurrentSince Jul 1, 2020 Accepting new patients
University of Penn-Medical Group CurrentSince Jul 1, 2020 Accepting new patients
University of Penn-Medical Group Current Accepting new patients
University of Penn - Medical Group Past Accepting new patients
Rector & Visitors of the University of Virginia Past Accepting new patients

Locations

3400 Spruce St
Fl 1
Philadelphia, PA 19104
Phone (215) 662-3005

1800 Lombard St
Philadelphia, PA 19146
Phone (215) 545-4173

1800 Lombard St
Fl 1
Philadelphia, PA 19146
Phone (215) 893-2600

800 Spruce St
William Penn Annex West, PA 19107
Phone (215) 829-3867

652 Peter Jefferson Pkwy
Ste 310
Charlottesville, VA 22911
Phone (434) 924-5236

1240 Lee St
Charlottesville, VA 22908

2965 Ivy Rd
Charlottesville, VA 22903
Phone (434) 243-4394

1215 Lee St
Fl 8
Charlottesvle, VA 22908
Phone (434) 924-2500

1215 Lee St
Charlottesvle, VA 22908
Phone (434) 924-0211

515 Ray C Hunt Dr
Charlottesvle, VA 22903
Phone (434) 244-2000

545 Ray C Hunt Dr
Charlottesvle, VA 22903
Phone (434) 243-0311

Interoperability endpoints

  • Direct secure messaging: amixon490879@direct.healthsystem.virginia.edu

Organizations & group practices 8

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 1

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": "1467244800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1144671116",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "515 Ray C Hunt Dr",
            "address_purpose": "LOCATION",
            "city": "Charlottesville",
            "state": "VA",
            "postal_code": "229032981",
            "country_code": "US",
            "telephone_number": "434-244-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1215 Lee St",
            "address_purpose": "LOCATION",
            "city": "Charlottesville",
            "state": "VA",
            "postal_code": "229082981",
            "country_code": "US",
            "telephone_number": "434-924-0211",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MIXON",
        "first_name": "ALYSSA",
        "middle_name": "COLE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-06-30",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "CA",
            "license": "20A25441",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "268206",
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "VA",
            "license": "0102206785",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "amixon490879@direct.healthsystem.virginia.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "515 Ray C Hunt Dr",
            "city": "Charlottesville",
            "state": "VA",
            "country_code": "US",
            "postal_code": "229032981",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.