Active NPI
Peiying Chen
- Acupuncturist
- Oakland, CA
National Provider Identifier
1538071048
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Acupuncturist
- License
- AC20523
- Practice address
- 440 Grand Ave Ste 401
Oakland, CA 94610-5032 - Phone
- (510) 900-9063
- NPI assigned
- Sep 21, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Acupuncturist | 171100000X | AC20523 | CA | Primary |
Addresses
Primary practice location
440 Grand Ave Ste 401
Oakland, CA 94610-5032
Mailing address
440 Grand Ave Ste 401
Oakland, CA 94610-5032
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1789948800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789948800000",
"number": "1538071048",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "440 GRAND AVE STE 401",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946105032"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "440 GRAND AVE STE 401",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946105032",
"telephone_number": "510-900-9063"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHEN",
"first_name": "PEIYING",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-09-21",
"last_updated": "2026-09-21",
"certification_date": "2026-09-19",
"status": "A"
},
"taxonomies": [
{
"code": "171100000X",
"taxonomy_group": "",
"desc": "Acupuncturist",
"state": "CA",
"license": "AC20523",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.