Individual provider Active NPI

Yun Cheong Chang, MD

  • Neonatal-Perinatal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1790472454
Registry record updated Aug 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
A209264 Issued in CA
Practice address
350 Rhode Island St Ste 200
San Francisco, CA 94103-5188
Phone
(415) 600-6420
NPI assigned
Apr 21, 2023
Last updated
Aug 10, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 10, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X A209264 CA Primary
Pediatrics Physician 208000000X A209264 CA

Addresses

Primary practice location

350 Rhode Island St Ste 200
San Francisco, CA 94103-5188

Mailing address

350 Rhode Island St Ste 200
San Francisco, CA 94103-5188
Phone (415) 600-6242

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
University of South Florida College of Medicine, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

325 Distel Cir
Los Altos, CA 94022-1408

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1682035200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786320000000",
    "number": "1790472454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "350 RHODE ISLAND ST STE 200",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941035188",
            "telephone_number": "415-600-6242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 RHODE ISLAND ST STE 200",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941035188",
            "telephone_number": "415-600-6420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "YUN CHEONG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-21",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "CA",
            "license": "A209264",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A209264",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.