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

Dr. Ethelwoldo Pascual Guerrero, MD

Individual provider Internal Medicine Physician · NPI 1235155318

Dr. Ethelwoldo Pascual Guerrero, MD is an Internal Medicine in Colusa, California. Qualified in 1992, 34 years ago. Practices with Regents of the University of California, a 563-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
34
Licensed in
CA
In the registry since
2006
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

151 E Webster St
Colusa, CA 95932-2949
Phone: (530) 458-4250
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A61539 (CA)

Record details

NPI number1235155318
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESSeptember 23, 2011

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Regents Of The University Of California — 563 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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