Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Warren F Wiechmann, MD

Individual provider Emergency Medicine Physician · NPI 1376729780

Warren F Wiechmann, MD is an Emergency Medicine in Fresno, California. Graduated from University of California, Irvine, California College of Medicine in 2006, 20 years ago. Practices with Regents of the University Of, a 125-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2823 Fresno St
Fresno, CA 93721-1324
Phone: (559) 499-6439
Fax: (559) 499-6441
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A104250 (CA)

Record details

NPI number1376729780
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 15, 2008
Last updated in NPPESDecember 3, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Regents Of The University Of — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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