Individual provider Active NPI

Linda M Tsai, MD

  • Ophthalmology Physician
  • Scottsdale, AZ
National Provider Identifier
1821014135
Registry record updated Sep 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
76846 Issued in AZ
Practice address
13400 E Shea Blvd
Scottsdale, AZ 85259-5499
Phone
(480) 301-8000
NPI assigned
Jul 14, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 111187 MO
Ophthalmology Physician 207W00000X 76846 AZ Primary

Addresses

Primary practice location

13400 E Shea Blvd
Scottsdale, AZ 85259-5499

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912
Phone (480) 301-8000

Other practice location 1

450 N New Ballas Rd
Dept Ophthalmology, Ste 260
Saint Louis, MO 63141-6859
Phone (314) 362-3937

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ltsai2571619@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, AZ2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20100123000249 MO Practitioner - Ophthalmology 0345382768 Reassigns benefits to 1 organization
I20250922001625 AZ Practitioner - Ophthalmology 0345382768 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Northwestern University Feinberg Medical School, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians
Mayo Clinic ArizonaGroup PAC ID 7012829930, 1,618 clinicians

Practice addresses (Care Compare)

10 Barnes W Dr
201 Cam West County
Saint Louis, MO 63141-6350
Phone (314) 996-3300

13400 E Shea Blvd
Scottsdale, AZ 85259-5404
Phone (480) 301-8000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery142

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Aug 1, 2002 Accepting new patients
Mayo Clinic Arizona CurrentSince Aug 15, 2025 Accepting new patients
Mayo Clinic Arizona CurrentSince Aug 15, 2025 Accepting new patients
Washington University CurrentSince Aug 1, 2002 Accepting new patients
Complete Eye Care, Inc. Ophthalmology Past Accepting new patients

Locations

13400 E Shea Blvd
Scottsdale, AZ 85259

450 N New Ballas Rd
Ste 201
Saint Louis, MO 63141
Phone (314) 567-5602

660 S Euclid Ave
#8096
Saint Louis, MO 63110
Phone (314) 362-3935

450 N New Ballas Rd
Ste 260
Saint Louis, MO 63141
Phone (314) 966-3300

660 S Euclid Ave
#C
Saint Louis, MO 63110

10 Barnes West Dr
Ste 201
Saint Louis, MO 63141
Phone (314) 542-9378

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

4901 Forest Park Ave
Fl 6
Saint Louis, MO 63108

9890 Clayton Rd
Ste 200
Saint Louis, MO 63124
Phone (314) 395-9613

Interoperability endpoints

  • Direct secure messaging: ltsai2571619@ehrdirect.mayoclinicmsg.org

Organizations & group practices 5

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": "1152835200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1821014135",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "480-301-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13400 E SHEA BLVD",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852595499",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "450 N New Ballas Rd",
            "address_2": "DEPT OPHTHALMOLOGY, STE 260",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631416859",
            "country_code": "US",
            "telephone_number": "314-362-3937",
            "fax_number": "866-505-8818",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSAI",
        "first_name": "LINDA",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-14",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MO",
            "license": "111187",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "AZ",
            "license": "76846",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ltsai2571619@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "13400 E Shea Blvd",
            "city": "Scottsdale",
            "state": "AZ",
            "country_code": "US",
            "postal_code": "852595499",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Scottsdale, AZ

Sources for this page

Verify at the official NPI Registry.