NPIMap

Individual provider Active NPI

I-Fan Theodore Mau, MD, PHD

  • Otolaryngology Physician
  • Stanford, CA
National Provider Identifier
1780718791
Registry record updated Jul 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
A84366 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 15, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X M8817 TX
Otolaryngology Physician 207Y00000X A84366 CA Primary
Otolaryngology Physician 207Y00000X 42023 TN

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

801 Welch Rd
Palo Alto, CA 94304-1611
Phone (650) 724-1745

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20081014000097 TX Practitioner - Otolaryngology 1951497684 Reassigns benefits to 1 organization
I20250401001521 CA Practitioner - Otolaryngology 1951497684 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Harvard Medical School, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.87 of 100Reported as group
Quality
70.15
Promoting interoperability
100
Improvement activities
40
Cost
72.75

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A84366CAMDOtolaryngology Physician
M8817TXMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Texas Southwestern Medical Center at Dallas Otolaryngology CurrentSince Aug 15, 2008 Accepting new patients
The University of Texas Southwestern Medical Center at Dallas CurrentSince Aug 15, 2008 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Mar 21, 2025 Accepting new patients
Stanford Health Care Current Accepting new patients
University of Texas Southwestern Medical Center at Dallas Current Accepting new patients
Stanford Health Care CurrentSince Mar 21, 2025 Accepting new patients
Stanford Health Care CurrentSince Mar 21, 2025 Accepting new patients

Locations

801 Welch Rd
Palo Alto, CA 94304
Phone (650) 723-5281

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

3000 N Interstate 35
Denton, TX 76201
Phone (469) 303-3591

12500 Dallas Pkwy
Frisco, TX 75033
Phone (469) 604-9000

3621 22nd St
Ste 400
Lubbock, TX 79410
Phone (806) 791-8484

5323 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390

5303 Harry Hines Blvd
Ut Southwest Medical Center, TX 75390
Phone (214) 645-2300

2001 Inwood Rd
Ut Southwest Medical Center, TX 75390
Phone (214) 645-8000

Organizations & group practices 7

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 7

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": "1173916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1780718791",
    "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": "801 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041611",
            "country_code": "US",
            "telephone_number": "650-724-1745",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAU",
        "first_name": "I-FAN",
        "middle_name": "THEODORE",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-15",
        "last_updated": "2025-07-01",
        "certification_date": "2025-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "TX",
            "license": "M8817",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CA",
            "license": "A84366",
            "primary": true
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "TN",
            "license": "42023",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.