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

Omar Viramontes Sr., MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1801356126

Omar Viramontes Sr., MD is an Internal Medicine in Santa Maria, California. Graduated from University of California, Geffen School of Medicine in 2019, 7 years ago. Practices with Santa Maria Gastroenterology Medical Group Inc, a 23-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2019
Specialties on file
2
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

361 Town Ctr W Ste 101
Santa Maria, CA 93458
Phone: (805) 922-6581
Fax: (805) 348-3217
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A177257 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1801356126
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2019
Last updated in NPPESAugust 14, 2025
Certification dateAugust 24, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Santa Maria Gastroenterology Medical Group Inc. — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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