Healthcare Provider Details

I. General information

NPI: 1205575487
Provider Name (Legal Business Name): ALLISON RO-YAO TZENG MD
Entity Type: Individual
Gender: Female
Sole Proprietor: Y

II. Dates (important events)

Enumeration Date: 06/03/2022
Last Update Date: 06/10/2025
Certification Date: 06/10/2025
Deactivation Date:
Reactivation Date:

III. Provider practice location address

521 PARNASSUS AVE
SAN FRANCISCO CA
94143-2206
US

IV. Provider business mailing address

900 N 9TH ST APT 705
PHILADELPHIA PA
19123-1230
US

V. Phone/Fax

Practice location:
  • Phone: 415-476-1000
  • Fax:
Mailing address:
  • Phone:
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyN
Taxonomy Code207R00000X
TaxonomyInternal Medicine Physician
License NumberMT226628
License Number StatePA
# 2
Primary TaxonomyY
Taxonomy Code207R00000X
TaxonomyInternal Medicine Physician
License NumberA203094
License Number StateCA

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: