Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Omar Alfonso Guzman, MD

Individual provider Emergency Medicine Physician · NPI 1639489321

Omar Alfonso Guzman, MD is an Emergency Medicine in Fresno, California. Graduated from University of California, Irvine, California College of Medicine in 2010, 16 years ago. Practices with Cep America - California, a 1,267-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2010
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 A119935 (CA)

Record details

NPI number1639489321
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 14, 2010
Last updated in NPPESOctober 15, 2014
Mailing address155 N Fresno St, Fresno, CA 93701-2302

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 2010 (16 years in practice)
Group practice Cep America - California — 1267 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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