Quick answers
- Does Tegpal S. Atwal accept Medicare assignment?
- Yes. Medicare's clinician data says Tegpal S. Atwal 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 Tegpal S. Atwal see?
- In 2024, CMS data shows 739 Original Medicare patients and 2,023 services for Tegpal S. Atwal. This counts Original Medicare only and measures volume, not quality.
- What is Tegpal S. Atwal's NPI number?
- 1275751869. 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 Tegpal S. Atwal, 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 | 739 |
|---|---|
| Services billed to Medicare | 2,023 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Biopsy of large bowel using a flexible endoscope (45380)492 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)486 services
- Injection beneath lining of large bowel using a flexible endoscope (45381)322 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)298 services
- Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare (43251)65 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 cholesterol75%
- High blood pressure72%
- Arthritis41%
- Diabetes24%
- Ischemic heart disease23%
- Chronic kidney disease20%
Hospitals where Tegpal S. Atwal works
Medicare's Facility Affiliation Data lists Tegpal S. Atwal 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 ClearlakeClearlake, CA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 051317
- Adventist Health Mendocino CoastFort Bragg, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051325
- Adventist Health St HelenaSaint Helena, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050013
- Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050301
- Providence Queen of the Valley Medical CenterNapa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050009
Practice locations
Addresses where Tegpal S. Atwal is enrolled with Medicare (CMS data updated October 2, 2026).
- 6 Woodland Rd, Suite 303Saint Helena, CA 94574 (707) 963‑0267
Group practices
Medicare enrollment lists Tegpal S. Atwal as a member of this group (CMS data updated October 2, 2026).
- Adventist Health Physicians Network628 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Adventist Health Physicians Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275751869 |
| 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