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Edit this profileAt a glance
- 181 Andrieux St, Suite 206, Sonoma, CA 95476
About Walter C. Prehn m.d. A Professional Corporation
Walter C. Prehn m.d. A Professional Corporation is an organization based in Sonoma, CA and listed in the NPI registry under internal medicine. The organization's National Provider Identifier (NPI) is 1306143169.
Factual summary compiled by Guide.md from public records; not written by this provider.
Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Thomas M. Dixon, MD Ophthalmology
- Robert K. Koida, M.D. Family Medicine
- Jennifer A. Jensen, L.AC. Acupuncturist
- Nasreen Taymuree Physician Assistant
- Margaret F. Leisz, FNP Nurse Practitioner — Family
- Eliot A. Carter, D.C. Chiropractic
- Richard L. Daffurn, D.D.S. Dentist
- Allison M. McKeany, MS, RD Registered Dietitian / Nutritionist
- Dominic P. Amara, M.D. Obstetrics/Gynecology
- Yong Q. Liu, M.D. Internal Medicine
Showing 10 of 17. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
Contact Information
- (707) 495-7762
- Email not available
Practice Locations
181 ANDRIEUX ST SUITE 206
Sonoma, CA 95476
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 internists at this location 2
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 — 5 related providers in 1 group
Common questions
What does Walter C. Prehn m.d. A Professional Corporation specialize in?
Walter C. Prehn m.d. A Professional Corporation is an internist in Sonoma, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Walter C. Prehn m.d. A Professional Corporation located?
Walter C. Prehn m.d. A Professional Corporation is listed at 181 Andrieux St Suite 206, Sonoma, CA 95476. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Walter C. Prehn m.d. A Professional Corporation's phone number?
The number on file is (707) 495-7762. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Walter C. Prehn m.d. A Professional Corporation?
Walter C. Prehn m.d. A Professional Corporation's National Provider Identifier is 1306143169. 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
Is Walter C. Prehn m.d. A Professional Corporation's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Walter C. Prehn m.d. A Professional Corporation. If this is you, claiming it is free.
Guide.md
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