NPIMap

Individual provider Active NPI

Sharon Y. Chien, M.D.

  • Internal Medicine Physician
  • San Diego, CA
National Provider Identifier
1316955420
Registry record updated May 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A85899 Issued in CA
Practice address
2929 Health Center Dr
San Diego, CA 92123-2762
Phone
(858) 499-2777
NPI assigned
Aug 4, 2006
Last updated
May 27, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 27, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A85899 CA Primary

Addresses

Primary practice location

2929 Health Center Dr
San Diego, CA 92123-2762

Mailing address

2929 Health Center Dr
San Diego, CA 92123-2762
Phone (858) 499-2777

Other identifiers 1

IdentifierTypeStateIssuer
00A858990MedicaidCA

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

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.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050728001155 CA Practitioner - Internal Medicine 2769410927 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of California, Davis School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sharp Rees-Stealy Medical Group IncGroup PAC ID 8628972759, 872 clinicians
Ximed Hospitalists, Inc.Group PAC ID 7214939222, 35 clinicians

Practice addresses (Care Compare)

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

4647 Zion Ave
San Diego, CA 92120-2507
Phone (619) 528-5000

9888 Genesee Ave
La Jolla, CA 92037-1205
Phone (858) 457-4123

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A85899CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southern California Permanente Medical Group CurrentSince Jan 24, 2025 Accepting new patients
Sharp Rees-Stealy Medical Group, Inc CurrentSince Jul 18, 2005 Accepting new patients
Sharp Rees-Stealy Medical Group, Inc Internal Medicine CurrentSince Jul 18, 2005 Accepting new patients
Southern California Permanente Medical Group CurrentSince Jan 24, 2025 Accepting new patients
Emergency and Acute Care Medical Corporation CurrentSince May 2, 2023 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Ximed Hospitalists, Inc. CurrentSince Mar 2, 2025 Accepting new patients
Sharp Rees-Stealy Medical Center Past Accepting new patients

Locations

751 Medical Center Ct
Chula Vista, CA 91911
Phone (619) 482-3639

9850 Genesee Ave
Ste 900
La Jolla, CA 92037
Phone (858) 452-1279

9888 Genesee Ave
La Jolla, CA 92037
Phone (858) 457-4123

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

5651 Copley Dr
Ste A
San Diego, CA 92111
Phone (858) 262-6181

7901 Frost St
San Diego, CA 92123
Phone (619) 541-3400

Interoperability endpoints

  • Direct secure messaging: schien33209@sharphealthcare.direct-ci.com

Organizations & group practices 8

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 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": "1154649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748304000000",
    "number": "1316955420",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2929 HEALTH CENTER DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921232762",
            "telephone_number": "858-499-2777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2929 HEALTH CENTER DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921232762",
            "telephone_number": "858-499-2777"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHIEN",
        "first_name": "SHARON",
        "middle_name": "Y.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-04",
        "last_updated": "2025-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A85899",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A858990",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "4647 Zion Ave",
            "city": "San Diego",
            "state": "CA",
            "country_code": "US",
            "postal_code": "921202507",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.