Individual provider Active NPI

Chelsea Elizabeth Liu Sumulong, PA-C

  • Physician Assistant
  • San Francisco, CA
National Provider Identifier
1487274759
Registry record updated Aug 14, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
59377 Issued in CA
Practice address
3338 17TH St Ste 100
San Francisco, CA 94110-7213
Phone
(415) 390-0099
NPI assigned
Apr 16, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 59377 CA Primary

Addresses

Primary practice location

3338 17TH St Ste 100
San Francisco, CA 94110-7213

Mailing address

734 Bounty Dr Apt 3404
Foster City, CA 94404-2665
Phone (808) 371-7766

Other practice location 1

3 S Linden Ave
South San Francisco, CA 94080-6407
Phone (650) 238-1500

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220208002280 CA Practitioner - Physician Assistant 7012300452 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

3838 California St
San Francisco, CA 94118-1506

899 Valencia St
San Francisco, CA 94110-1736
Phone (415) 600-6960

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
59377CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
American Current Care of California, a Medical Corporation CurrentSince Dec 20, 2021 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients

Locations (25 of 32)

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

1800 Westwind Dr
Ste 301
Bakersfield, CA 93301
Phone (661) 327-9617

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

2555 S East Ave
Fresno, CA 93706
Phone (559) 499-2400

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

1340 Mitchell Rd
Modesto, CA 95351
Phone (209) 581-9711

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

25115 Madison Ave
Murrieta, CA 92562
Phone (951) 600-9070

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

1101 S Milliken Ave
Ste C
Ontario, CA 91761
Phone (909) 390-2799

1851 Lombard St
Ste 100
Oxnard, CA 93030
Phone (805) 983-2234

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

640 S Placentia Ave
Placentia, CA 92870
Phone (714) 579-7772

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

2 Connecticut St
San Francisco, CA 94107
Phone (415) 621-5055

2587 Merced St
San Leandro, CA 94577
Phone (510) 351-3553

740 Nordahl Rd
Ste 131
San Marcos, CA 92069
Phone (760) 432-9000

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

988 Walsh Ave
Santa Clara, CA 95050
Phone (408) 988-6868

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

Interoperability endpoints

  • Direct secure messaging: chelsea.liu.1@22091.direct.athenahealth.com
  • Direct secure messaging: csumulong739007@hisp.ehr.sutterhealth.org
  • Direct secure messaging: cliu722937@direct.ochin.org

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1586995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1723593600000",
    "number": "1487274759",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "734 BOUNTY DR APT 3404",
            "city": "FOSTER CITY",
            "state": "CA",
            "postal_code": "944042665",
            "telephone_number": "808-371-7766"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3338 17TH ST STE 100",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941107213",
            "telephone_number": "415-390-0099"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3 S Linden Ave",
            "address_purpose": "LOCATION",
            "city": "South San Francisco",
            "state": "CA",
            "postal_code": "940806407",
            "country_code": "US",
            "telephone_number": "650-238-1500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUMULONG",
        "first_name": "CHELSEA",
        "middle_name": "ELIZABETH LIU",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-16",
        "last_updated": "2024-08-14",
        "certification_date": "2024-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "59377",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.