Quick answers
- Does James R. Gross accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Gross 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 James R. Gross see?
- In 2024, CMS data shows 304 Original Medicare patients and 1,603 services for James R. Gross. This counts Original Medicare only and measures volume, not quality.
- What is James R. Gross's NPI number?
- 1023082203. 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 James R. Gross, 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 | 304 |
|---|---|
| Services billed to Medicare | 1,603 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Test for allergy using allergenic extract (95004)416 services
- Test for allergy using allergenic extract injected into skin (95024)383 services
- Professional service for preparation and provision of 1 or more antigens (95165)240 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)161 services
- Removal of impacted ear wax (69210)133 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 pressure64%
- High cholesterol64%
- Arthritis53%
- Anxiety21%
- Diabetes20%
- Ischemic heart disease20%
Hospitals where James R. Gross works
Medicare's Facility Affiliation Data lists James R. Gross 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.
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500003
Practice locations
Addresses where James R. Gross is enrolled with Medicare (CMS data updated October 2, 2026).
- 1019 24th St, Suite BAnacortes, WA 98221 (360) 588‑8985
- 118 S 12th StMount Vernon, WA 98274 (360) 336‑2178
Group practices
Medicare enrollment lists James R. Gross as a member of this group (CMS data updated October 2, 2026).
- Public Hospital Dist No 1 Skagit323 clinicians in the group
Specialties
Other ENT doctors in Anacortes
Clinicians with the same Medicare primary specialty in Anacortes, WA — not a recommendation.
Other clinicians in Public Hospital Dist No 1 Skagit
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023082203 |
| 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