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

Guillermo M Guzman Trevino, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1881828010

Guillermo M Guzman Trevino, MD is an Obstetrics/Gynecology in Nampa, Idaho. Qualified in 2001, 25 years ago. Practices with Saint Alphonsus Regional Medical Center Inc, a 673-clinician group and accepts Medicare assignment. Licensed in Idaho and Oregon.

Years since qualifying
25
Licensed in
ID, OR
In the registry since
2009
Specialties on file
3
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

4424 E Flamingo Ste 200
Nampa, ID 83687-9300
Phone: (208) 288-4888
Fax: (208) 288-4890
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Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence M-12168 (ID)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence MD29170 (OR)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence MD-29170 (OR)

Record details

NPI number1881828010
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2009
Last updated in NPPESDecember 9, 2014

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Saint Alphonsus Regional Medical Center Inc — 673 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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