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Edit this profileAt a glance
- 340 S Lemon Ave # 9892, Walnut, CA 91789
About Heather Williams
Heather Williams, PMHNP is a nurse practitioner — psychiatric/mental health based in Walnut, CA. Heather is also listed as specializing in registered nurse. The provider's National Provider Identifier (NPI) is 1356937189.
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
- (415) 403-2156
- Email not available
Practice Locations
340 S LEMON AVE # 9892
Walnut, CA 91789
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 nurse practitioners at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 19 related providers in 3 groups
Other nurse practitioners in Walnut 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Heather Williams specialize in?
Heather Williams is a nurse practitioner in Walnut, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where is Heather Williams located?
Heather Williams is listed at 340 S Lemon Ave # 9892, Walnut, CA 91789. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Heather Williams's phone number?
The number on file is (415) 403-2156. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Heather Williams?
Heather Williams's National Provider Identifier is 1356937189. 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 Heather Williams train?
Heather Williams attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Heather Williams have?
Heather Williams has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
Is Heather Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Heather Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.