Individual provider Active NPI

Theresa Wen Wen Guo, M.D.

  • Otolaryngology Physician
  • San Diego, CA
National Provider Identifier
1255694196
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
A170293 Issued in CA
Practice address
200 W Arbor Dr
San Diego, CA 92103-9000
Phone
(800) 926-8273
Fax
(888) 539-8781
NPI assigned
Jun 15, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X 1255694196 MD
Otolaryngology Physician 207Y00000X A170293 CA Primary

Addresses

Primary practice location

200 W Arbor Dr
San Diego, CA 92103-9000

Mailing address

File 53726
Los Angeles, CA 90074-0001

Other practice location 1

4250 1st Ave
San Diego, CA 92103
Phone (800) 926-8273

Other practice location 2

16950 Via Tazon
San Diego, CA 92127-1607
Phone (800) 926-8273

Other practice location 3

3855 Health Sciences Dr
LA Jolla, CA 92093-1503
Phone (800) 926-8273

Other practice location 4

6655 Alvarado Rd
San Diego, CA 92120-5208
Phone (800) 926-8273

Other practice location 5

601 N Caroline St
6th floor
Baltimore, MD 21287-0006
Phone (410) 955-1686

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
I20210728003327 CA Practitioner - Otolaryngology 4082864277 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Clvlnd Clinic Lerner College of Med of Case WSTN RSV University, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

Practice addresses (Care Compare)

16950 Via Tazon
San Diego, CA 92127-1607
Phone (800) 926-8273

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (858) 657-7000

3855 Health Sciences Dr
La Jolla, CA 92093-1503
Phone (858) 657-7000

9300 Campus Point Dr
La Jolla, CA 92037-1300
Phone (858) 657-7000

9350 Campus Point Dr
La Jolla, CA 92037-1300
Phone (858) 657-7000

9400 Campus Point Dr
La Jolla, CA 92093-1350
Phone (858) 657-7000

9415 Campus Point Dr
La Jolla, CA 92093-1350
Phone (858) 657-7000

Hospital & facility affiliations

  • UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025

Merit-based Incentive Payment System (MIPS)

Final score
90.77 of 100Reported as group
Quality
84.13
Promoting interoperability
100
Improvement activities
40
Cost
73.88

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision12
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A170293CAMDOtolaryngology Physician
1255694196MDMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California Current Accepting new patients
Ut MD Anderson Cancer Center Past Accepting new patients
Regents of the University of California Past Accepting new patients

Locations

9350 Campus Point Dr
La Jolla, CA 92037
Phone (858) 657-0583

3855 Health Sciences Dr
La Jolla, CA 92093
Phone (858) 822-6094

200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754

Organizations & group practices 3

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": "1339718400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1255694196",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 53726",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900740001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039000",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4250 1st Ave",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "92103",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16950 Via Tazon",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921271607",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3855 Health Sciences Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920931503",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6655 Alvarado Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205208",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "601 N Caroline St",
            "address_2": "6th floor",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870006",
            "country_code": "US",
            "telephone_number": "410-955-1686",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUO",
        "first_name": "THERESA",
        "middle_name": "WEN WEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-15",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "MD",
            "license": "1255694196",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CA",
            "license": "A170293",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.