NPIMap

Individual provider Active NPI

Eric Tzeng, MD

  • Anesthesiology Physician
  • San Diego, CA
National Provider Identifier
1801258264
Registry record updated Aug 26, 2026
On this page

Key facts

NPPES NPI Registry
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
Sex
Male
Sole proprietor
Yes

Organizations & group practices 20

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.

Care Compare profile

Medicare Care Compare
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 California 2,047 clinicians

Practice addresses (Care Compare)

200 W Arbor Dr
San Diego, CA 92103-1910
Phone (858) 657-7000

200 W Arbor Dr
San Diego, CA 92103-1911
Phone (858) 249-6753

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 participation

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

Medicare enrollment records 1

Medicare enrollment files
Enrollment IDStateProvider typePAC IDDetails
I20210901003537 CA Practitioner - AnesthesiologyPractitioner - Critical Care (Intensivists) 6204232077 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A153819CAMDCritical Care Medicine (Anesthesiology) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California Critical Care Medicine CurrentSince Aug 1, 2021 Accepting new patients
Regents of the University of California CurrentSince Jul 1, 2021 Accepting new patients
Regents of the University of California CurrentSince Jul 1, 2021 Accepting new patients
Regents of the University of California Past Accepting new patients
Regents of the University of California Ucsd Head and Neck Surgery Past Accepting new patients

Locations

9300 Campus Point Dr
La Jolla, CA 92037
Phone (619) 957-7000

6655 Alvarado Rd
San Diego, CA 92120
Phone (619) 229-3130

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

Specialties & licenses 2

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Anesthesiology) Physician 207LC0200X A153819 CA
Anesthesiology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207L00000X A153819 CA Primary

Addresses

NPPES NPI Registry

Primary practice location

3626 Ruffin Rd
San Diego, CA 92123-1810

Mailing address

3626 Ruffin Rd
San Diego, CA 92123-1810
Phone (858) 565-9666

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Aug 26, 2026.

{
    "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": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.