Quick answers
- Does Douglas F. Salm accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas F. Salm 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 Douglas F. Salm see?
- In 2024, CMS data shows 458 Original Medicare patients and 5,918 services for Douglas F. Salm. This counts Original Medicare only and measures volume, not quality.
- What is Douglas F. Salm's NPI number?
- 1033373600. 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 Douglas F. Salm, 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 | 458 |
|---|---|
| Services billed to Medicare | 5,918 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)3,180 services
- Imaging of retina (92134)420 services
- Injection of drug into eye (67028)329 services
- Injection, aflibercept, 1 mg (J0178)228 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)221 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 pressure70%
- Arthritis39%
- Diabetes29%
- Chronic kidney disease28%
- Ischemic heart disease26%
Hospitals where Douglas F. Salm works
Medicare's Facility Affiliation Data lists Douglas F. Salm 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.
- Ascension Calumet HospitalChilton, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521317
Practice locations
Addresses where Douglas F. Salm is enrolled with Medicare (CMS data updated October 2, 2026).
- 21 Park PlAppleton, WI 54914 (920) 739‑4361
Group practices
Medicare enrollment lists Douglas F. Salm as a member of this group (CMS data updated October 2, 2026).
- Valley Eye Associates26 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Appleton
Clinicians with the same Medicare primary specialty in Appleton, WI — not a recommendation.
Other clinicians in Valley Eye Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033373600 |
| 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