Individual provider Active NPI

Dennis Hsieh, M.D.

  • Emergency Medicine Physician
  • Oakland, CA
National Provider Identifier
1649520701
Registry record updated Jun 4, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A129373 Issued in CA
Practice address
1411 E 31St St
C/O Auanja Thompson, Department of Emergency Medicine
Oakland, CA 94602-1018
Phone
(857) 998-0024
NPI assigned
Sep 17, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 4, 2020

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X A129373 CA Primary
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X A129373 CA

Addresses

Primary practice location

1411 E 31St St
C/O Auanja Thompson, Department of Emergency Medicine
Oakland, CA 94602-1018

Mailing address

3264 Market St
San Francisco, CA 94114-2227
Phone (857) 998-0024

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
I20150817002639 CA Practitioner - Emergency Medicine 0042525214 Reassigns benefits to 13 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of California, San Francisco School of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cep America - CaliforniaGroup PAC ID 6103739131, shared by 2 NPIs, 1,278 clinicians
Emergency Physicians Associates San Jose PCGroup PAC ID 8921344292, 131 clinicians

Practice addresses (Care Compare)

1050 Linden Ave
Long Beach, CA 90813-3321
Phone (562) 491-9000

1441 Florida Ave
Modesto, CA 95350-4404
Phone (209) 578-1211

2105 Forest Ave
San Jose, CA 95128-1425
Phone (408) 947-2500

845 Jackson St
San Francisco, CA 94133-4851
Phone (415) 677-2300

Hospital & facility affiliations

  • Santa Clara Valley Medical Center Hospital, San Jose, CA, CCN 050038
  • Lac/Harbor-UCLA Med Center Hospital, Torrance, CA, CCN 050376
  • Chinese Hospital Hospital, San Francisco, CA, CCN 050407
  • St Joseph'S Medical Center of Stockton Hospital, Stockton, CA, CCN 050084
  • Doctors Medical Center Hospital, Modesto, CA, CCN 050464

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A129373CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Physicians Associates San Jose PC Emergency Medicine CurrentSince Jul 1, 2023 Accepting new patients
San Francisco Physicians International Medical Group, Inc Emergency Medicine CurrentSince Jul 15, 2015 Accepting new patients
Cep America-California Emergency Medicine CurrentSince Sep 1, 2015 Accepting new patients
County of Santa Clara Emergency Medicine Current Accepting new patients
Cep America - California Emergency Medicine Current Accepting new patients
Stephen R Shea, M.D., Inc Emergency Medicine Current Accepting new patients
County of Santa Clara Current Accepting new patients
Cep America - California Emergency Medicine CurrentSince Sep 1, 2015 Accepting new patients
County of Santa Clara CurrentSince Jan 10, 2023 Accepting new patients
County of Santa Clara CurrentSince Jan 10, 2023 Accepting new patients
Stephen R. Shea, M.D., Inc. Emergency Medicine CurrentSince Jul 1, 2019 Accepting new patients
California Emergency Associates a California Medical Corporation Emergency Medicine CurrentSince Sep 20, 2025 Accepting new patients
Cep America - California Emergency Medicine Current Accepting new patients
County of Santa Clara CurrentSince Jan 10, 2023 Accepting new patients
Team Physicians of California Medical Group Inc Emergency Medicine CurrentSince Nov 1, 2025 Accepting new patients
County of Santa Clara CurrentSince Jan 10, 2023 Accepting new patients
Solano Gateway Medical Group Inc Emergency Medicine CurrentSince Aug 1, 2021 Accepting new patients
Centinela Freeman Emergency Medical Associates, Inc. Emergency Medicine CurrentSince Aug 11, 2016 Accepting new patients
Cep America - California Emergency Medicine CurrentSince Jul 1, 2020 Accepting new patients

Locations

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

555 E Hardy St
Inglewood, CA 90301
Phone (310) 419-8636

1050 Linden Ave
Long Beach, CA 90813
Phone (562) 491-9000

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1441 Florida Ave
Modesto, CA 95350
Phone (209) 214-7235

5000 Hopyard Rd
Ste 100
Pleasanton, CA 94588
Phone (480) 861-4015

4445 Magnolia Ave
Riverside, CA 92501
Phone (800) 498-7156

15031 Rinaldi St
San Fernando, CA 91345
Phone (818) 365-8051

845 Jackson St
San Francisco, CA 94133
Phone (415) 677-2300

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

225 N Jackson Ave
San Jose, CA 95116
Phone (408) 347-4051

2105 Forest Ave
San Jose, CA 95128
Phone (408) 947-2500

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

6001 Norris Canyon Rd
San Ramon, CA 94583
Phone (925) 275-8273

525 W Acacia St
Stockton, CA 95203
Phone (209) 944-5410

1800 N California St
Stockton, CA 95204
Phone (209) 467-6400

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

4401 W Memorial Rd
Ste 121
Oklahoma City, OK 73134
Phone (405) 749-4560

Interoperability endpoints

  • Direct secure messaging: dhsieh191511@santaclaravalley.direct-ci.net

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.

View all 20

Hospital & facility affiliations 5

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": "1347840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1591228800000",
    "number": "1649520701",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3264 MARKET ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941142227",
            "telephone_number": "857-998-0024"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1411 E 31ST ST",
            "address_2": "C/O AUANJA THOMPSON, DEPARTMENT OF EMERGENCY MEDICINE",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946021018",
            "telephone_number": "857-998-0024"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HSIEH",
        "first_name": "DENNIS",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-09-17",
        "last_updated": "2020-06-04",
        "certification_date": "2020-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A129373",
            "primary": true
        },
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "CA",
            "license": "A129373",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.