Individual provider Active NPI

Tommy Yu-DO Yen, M.D.

  • Gastroenterology Physician
  • San Diego, CA
National Provider Identifier
1053421958
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
60085 Issued in CA
Practice address
200 W Arbor Dr
San Diego, CA 92103-9000
Phone
(800) 926-8273
Fax
(888) 539-8781
NPI assigned
Aug 30, 2006
Last updated
Aug 17, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 17, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 60085 CA
Gastroenterology Physician 207RG0100X 60085 CA Primary
Hepatology Physician 207RI0008X 60085 CA

Addresses

Primary practice location

200 W Arbor Dr
San Diego, CA 92103-9000

Mailing address

File 57326
Los Angeles, CA 90074-7326
Phone (800) 926-8273

Other practice location 1

9350 Campus Point Dr
LA Jolla, CA 92037-1300
Phone (800) 926-8273

Other practice location 2

6699 Alvarado Rd Ste 2301
San Diego, CA 92120-5241
Phone (619) 588-4074

Other practice location 3

9300 Campus Point Dr
LA Jolla, CA 92037-1300
Phone (800) 926-8273

Other practice location 4

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

Other practice location 5

9456 Cuyamaca St Ste 102
Santee, CA 92071-5919
Phone (619) 588-4074

Other practice location 6

4250 1st Ave
San Diego, CA 92103-2026
Phone (800) 926-8273

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, MN2 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
I20071107000593 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 0547357592 Reassigns benefits to 5 organizations
I20260427000204 MN Practitioner - Gastroenterology 0547357592 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Josephs Medical CenterGroup PAC ID 8224948443, 238 clinicians
Barton Medical FoundationGroup PAC ID 5395127682, 97 clinicians
Sharp Rees-Stealy Medical Group IncGroup PAC ID 8628972759, 872 clinicians

Practice addresses (Care Compare)

2024 S 6TH St
Brainerd, MN 56401-4529
Phone (218) 828-7100

2175 S Ave
South Lake Tahoe, CA 96150-7024
Phone (530) 543-5711

2929 Health Ctr Dr
San Diego, CA 92123-2762
Phone (858) 499-2600

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.67 of 100Reported as group
Quality
81.04
Promoting interoperability
99
Improvement activities
40
Cost
82.04

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy79
Upper gastrointestinal (GI) endoscopy for acid reflux34

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A060085CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sharp Rees-Stealy Medical Group, Inc CurrentSince Sep 4, 2007 Accepting new patients
Southern California Permanente Medical Group CurrentSince Feb 2, 2021 Accepting new patients
Sharp Rees-Stealy Medical Group, Inc Internal Medicine CurrentSince Sep 4, 2007 Accepting new patients
Southern California Permanente Medical Group CurrentSince Feb 2, 2021 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients

Locations

393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914

2020 Genesee Ave
San Diego, CA 92123
Phone (619) 268-9500

2929 Health Center Dr
San Diego, CA 92123
Phone (858) 939-6531

4647 Zion Ave
San Diego, CA 92120
Phone (619) 528-3038

Interoperability endpoints

  • Direct secure messaging: tyen270631@sharphealthcare.direct-ci.com

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 15

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 15

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1053421958",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 57326",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900747326",
            "telephone_number": "800-926-8273"
        },
        {
            "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": "9350 Campus Point Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920371300",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6699 Alvarado Rd Ste 2301",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921205241",
            "country_code": "US",
            "telephone_number": "619-588-4074",
            "fax_number": "619-588-4004",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9300 Campus Point Dr",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920371300",
            "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": "9456 Cuyamaca St Ste 102",
            "address_purpose": "LOCATION",
            "city": "Santee",
            "state": "CA",
            "postal_code": "920715919",
            "country_code": "US",
            "telephone_number": "619-588-4074",
            "fax_number": "619-588-4004",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4250 1st Ave",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921032026",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YEN",
        "first_name": "TOMMY",
        "middle_name": "YU-DO",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "60085",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "60085",
            "primary": true
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hepatology",
            "state": "CA",
            "license": "60085",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.