Provider Profile
Douglas M. Siegmund, FNP-C
Unclaimed ProfileAbout Douglas Siegmund
Douglas M. Siegmund, FNP-C is a nurse practitioner — family based in Santa Ana, CA. Douglas is also listed as specializing in registered nurse.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (714) 556-7246
- Email not available
Practice Locations
2010 E 1ST ST STE 100
Santa Ana, CA 92705
4950 Barranca Pkwy Ste 104
Irvine, CA 92604
660 Baker St Ste A102
Costa Mesa, CA 92626
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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 24 related providers in 3 groups
Other nurse practitioners in Santa Ana 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Douglas M. Siegmund's specialty?
Douglas M. Siegmund is a nurse practitioner in Santa Ana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Douglas M. Siegmund?
Douglas M. Siegmund is listed at 2010 E 1St St Ste 100, Santa Ana, CA 92705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Douglas M. Siegmund?
The number on file is (714) 556-7246. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Douglas M. Siegmund?
Douglas M. Siegmund's National Provider Identifier is 1437837879. 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
What is Douglas M. Siegmund's education?
Douglas M. Siegmund attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Douglas M. Siegmund have?
Douglas M. Siegmund has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
Is Douglas M. Siegmund's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Douglas M. Siegmund. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.