Omar Viramontes, MD
Gastroenterology Physician · Santa Maria, CA
Omar Viramontes, MD is a gastroenterology physician with a practice address in Santa Maria, California, and NPI 1801356126, issued on Mar 22, 2019. Check the license (California A177257, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Omar Viramontes
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A177257 CA
Self-reported in NPPES; status is on the state search - Practice location
- 361 Town Center West Suite 101, Santa Maria, CA 93458
- Phone
- (805) 922-6581
- Enumerated
- Mar 22, 2019
- Record last updated
- Aug 14, 2025
- Fax
- (805) 348-3217
- Medicare enrollment
- Enrolled (PECOS I20240205003448); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 361 Town Center West Suite 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paramjit Benipal, MDGastroenterology Physician1306803572
- Francisco Debs, PAPhysician Assistant1679355192
- Robert Evans, MDGastroenterology Physician1194936625
- Thomas Hsia, MDGastroenterology Physician1508894486
- Igor Nastaskin, MDGastroenterology Physician1619014776
- Atul Vachhani, MDGastroenterology Physician1609890748
Verify Omar Viramontes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gastroenterology physician in 2024
91 Medicare Part D claims for 36 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Omeprazole29 claims
- Pantoprazole Sodium14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $423.10
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Permanente Medical Group IncSacramento, CA
- Santa Maria Gastroenterology Medical Group Inc.Santa Maria, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar Viramontes among 2,140 gastroenterology physician records in California
Omar Viramontes, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.
- NPI issued2019 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Santa Maria → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Paramjit Benipal, MDSanta Maria, CA 934581306803572
- Robert Evans, MDSanta Maria, CA 934581194936625
- Thomas Hsia, MDSanta Maria, CA 934581508894486
- Igor Nastaskin, MDSanta Maria, CA 934581619014776
- Atul Vachhani, MDSanta Maria, CA 934581609890748
- Constantine Melitas, M.D.Santa Maria, CA 934541154731321
- Niraj Bhalani, DOTempleton, CA 934651255838363
- Jeffry Brown, M.D.Templeton, CA 934651144316878
Common questions
What is Omar Viramontes, MD's NPI number?
Omar Viramontes, MD's National Provider Identifier (NPI) is 1801356126, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Omar Viramontes, MD located?
The NPPES record lists a practice address at 361 Town Center West Suite 101, Santa Maria, CA, 93458. Phone: (805) 922-6581. Providers update this record themselves, so call before visiting.
How can I verify Omar Viramontes, MD's license?
NPPES lists California license number A177257, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Omar Viramontes, MD prescribe under Medicare Part D?
In 2024, Omar Viramontes, MD had 91 Medicare Part D claims for 36 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.