Quick answers
- Does Siva P. Doma accept Medicare assignment?
- Yes. Medicare's clinician data says Siva P. Doma accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Siva P. Doma see?
- In 2024, CMS data shows 906 Original Medicare patients and 6,398 services for Siva P. Doma. This counts Original Medicare only and measures volume, not quality.
- What is Siva P. Doma's NPI number?
- 1700819422. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Siva P. Doma, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 906 |
|---|---|
| Services billed to Medicare | 6,398 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)937 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)617 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)310 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)229 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)218 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes37%
- Ischemic heart disease28%
- Chronic kidney disease23%
Hospitals where Siva P. Doma works
Medicare's Facility Affiliation Data lists Siva P. Doma at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050133
- Colusa Medical CenterColusa, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050783
- Oroville HospitalOroville, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050030
Practice locations
Addresses where Siva P. Doma is enrolled with Medicare (CMS data updated October 2, 2026).
- 870 Shasta St, Suite 200Yuba City, CA 95991 (530) 671‑3671
Group practices
Medicare enrollment lists Siva P. Doma as a member of this group (CMS data updated October 2, 2026).
- North Valley Gastroenterology Medical Group Inc3 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in North Valley Gastroenterology Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700819422 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians