Are you Tammy Vien, RN? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 818 Webster St, Oakland, CA 94607
About Tammy Vien
Tammy Vien, RN is a registered nurse based in Oakland, CA. The provider's National Provider Identifier (NPI) is 1285234195.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (510) 986-6800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
818 WEBSTER ST
Oakland, CA 94607
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other registered nurses at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other registered nurses in Oakland 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Tammy Vien specialize in?
Tammy Vien is a registered nurse in Oakland, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Tammy Vien located?
Tammy Vien is listed at 818 Webster St, Oakland, CA 94607. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Tammy Vien's phone number?
The number on file is (510) 986-6800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Tammy Vien?
Tammy Vien's National Provider Identifier is 1285234195. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Tammy Vien train?
Tammy Vien attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Tammy Vien have?
Tammy Vien has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Is Tammy Vien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Tammy Vien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.