Quick answers
- Does Catherine F. Gambs accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine F. Gambs 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 Catherine F. Gambs see?
- In 2024, CMS data shows 143 Original Medicare patients and 1,056 services for Catherine F. Gambs. This counts Original Medicare only and measures volume, not quality.
- What is Catherine F. Gambs's NPI number?
- 1952698102. 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 Catherine F. Gambs, 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 | 143 |
|---|---|
| Services billed to Medicare | 1,056 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)181 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)168 services
- Insertion of needle into vein for collection of blood sample (36415)108 services
- Blood test, lipids (cholesterol and triglycerides) (80061)73 services
- Blood test, comprehensive group of blood chemicals (80053)70 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 cholesterol67%
- High blood pressure52%
- Arthritis36%
- Diabetes22%
- Chronic kidney disease20%
- Anxiety17%
Hospitals where Catherine F. Gambs works
Medicare's Facility Affiliation Data lists Catherine F. Gambs 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.
- Island HospitalAnacortes, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500007
- 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 Catherine F. Gambs is enrolled with Medicare (CMS data updated October 2, 2026).
- 1110 22nd StAnacortes, WA 98221 (360) 299‑8676
- 1211 24th StAnacortes, WA 98221
- 1213 24th StAnacortes, WA 98221
- 2511 M Ave, Suite BAnacortes, WA 98221 (360) 299‑4211
- 2720 Commercial AveAnacortes, WA 98221 (360) 299‑1300
Group practices
Medicare enrollment lists Catherine F. Gambs as a member of this group (CMS data updated October 2, 2026).
- Public Hospital District No 2 Skagit County Washington76 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Anacortes
Clinicians with the same Medicare primary specialty in Anacortes, WA — not a recommendation.
Other clinicians in Public Hospital District No 2 Skagit County Washington
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952698102 |
| 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