Eric Tzeng, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

A153819 Issued in CA

Practice address

3626 Ruffin Rd
San Diego, CA 92123-1810

Phone

(858) 565-9666

Fax

(858) 565-9441

NPI assigned

Mar 24, 2016

Last updated

Aug 26, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

Specialty

AnesthesiologyAlso: Critical Care (Intensivists)

Education

University of California, San Diego School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regents of the University of CaliforniaGroup PAC ID 3577476761, shared by 18 NPIs, 2,047 clinicians

Practice addresses (Care Compare)

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Regents of the University of California

  • Orthopaedic Surgery Physician
  • San Diego, CA
  • NPI 1225130677

  Single Specialty

  Medicare reassignment NPD
• Regents of the University of California

  • Anesthesiology Physician
  • San Diego, CA
  • NPI 1356444897

  Single Specialty

  Medicare reassignment NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927

  Single Specialty

  NPD
• Regents of the University of California

  dba Ucsd Medical Center Pharmacy

  • Pharmacy
  • San Diego, CA
  • NPI 1598786576
  NPD (past)
• Regents of the University of California Ucsd Head and Neck Surgery

  • Otolaryngology Physician
  • San Diego, CA
  • NPI 1679509962

  Single Specialty

  NPD (past)

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

• Regents of the University of California

  dba UCSD Medical Center

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation

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

{
    "created_epoch": "1458777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1801258264",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3626 RUFFIN RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231810",
            "telephone_number": "858-565-9666",
            "fax_number": "858-565-9441"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3626 RUFFIN RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231810",
            "telephone_number": "858-565-9666",
            "fax_number": "858-565-9441"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TZENG",
        "first_name": "ERIC",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-03-24",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "CA",
            "license": "A153819",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A153819",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Larisa Tyson, PHARMD
• Sarah Ann Tysseland-McMinn, LSW
• Nicole Tyszkowski, DMD
• Vanessa Tyus
• Katharine Helen Tzachanis, NP
• Joel Tzinberg
• Mariana Tzomes, ACSW
• Diana Tzoni Romero
• Hoi Sang U, M.D.
• U. S. Navy

• Anesthesiology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.