Individual provider Active NPI

Richard Chyan, MD

  • Physical Medicine & Rehabilitation Physician
  • Tustin, CA
National Provider Identifier
1013406628
Registry record updated Jul 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
A163678 Issued in CA
Practice address
13522 Newport Ave Ste 102
Tustin, CA 92780-3707
Phone
(714) 987-1211
Fax
(551) 236-2481
NPI assigned
May 9, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X A163678 CA Primary

Addresses

Primary practice location

13522 Newport Ave Ste 102
Tustin, CA 92780-3707

Mailing address

PO Box 5532
Irvine, CA 92616-5532
Phone (714) 987-1211

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221107003074 CA Practitioner - Physical Medicine and Rehabilitation 4284001017 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
Loma Linda University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orca Rehab IncGroup PAC ID 6901281484, 16 clinicians

Practice addresses (Care Compare)

1010 W la Veta Ave
Orange, CA 92868-4300
Phone (714) 869-7487

Hospital & facility affiliations

  • Providence St. Jude Medical Center Hospital, Fullerton, CA, CCN 050168
  • St Mary Medical Center Hospital, Long Beach, CA, CCN 050191
  • St. Jude Medical Center Inpatient rehabilitation facility, Fullerton, CA, CCN 05T168

Merit-based Incentive Payment System (MIPS)

Final score
18.93 of 100Reported as individual
Quality
0
Improvement activities
0
Cost
63.1

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A163678CAMDPhysical Medicine & Rehabilitation Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Orca Rehab Inc Physical Medicine & Rehabilitation CurrentSince Oct 1, 2023 Accepting new patients
Amirpasha Ehsan MD, Inc Physical Medicine & Rehabilitation PastSince Jul 22, 2025 Accepting new patients

Locations

101 E Valencia Mesa Dr
Fullerton, CA 92835
Phone (714) 446-7505

1010 W La Veta Ave
Orange, CA 92868
Phone (714) 221-1200

1100 W Stewart Dr
Orange, CA 92868
Phone (714) 532-8620

4070 Jurupa Ave
Riverside, CA 92506
Phone (949) 239-4410

13522 Newport Ave
Ste 102
Tustin, CA 92780
Phone (714) 573-8200

Organizations & group practices 2

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": "1525824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1013406628",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5532",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926165532",
            "telephone_number": "714-987-1211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13522 NEWPORT AVE STE 102",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927803707",
            "telephone_number": "714-987-1211",
            "fax_number": "551-236-2481"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHYAN",
        "first_name": "RICHARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-05-09",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "CA",
            "license": "A163678",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tustin, CA

Sources for this page

Verify at the official NPI Registry.