Quick answers
- Does Matthew P. Rauen accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew P. Rauen 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 Matthew P. Rauen see?
- In 2024, CMS data shows 1,148 Original Medicare patients and 5,385 services for Matthew P. Rauen. This counts Original Medicare only and measures volume, not quality.
- What is Matthew P. Rauen's NPI number?
- 1922216621. 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 Matthew P. Rauen, 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 | 1,148 |
|---|---|
| Services billed to Medicare | 5,385 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)1,489 services
- Removal of cataract with insertion of prosthetic lens (66984)1,345 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)504 services
- Imaging of retina (92134)477 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)413 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 cholesterol74%
- High blood pressure71%
- Arthritis40%
- Diabetes23%
- Chronic kidney disease22%
- Ischemic heart disease20%
Practice locations
Addresses where Matthew P. Rauen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2020 Philadelphia StAmes, IA 50010 (515) 232‑2450
- 309 E Church StMarshalltown, IA 50158 (641) 754‑6200
- 6100 Westown Pkwy, Suite 200West Des Moines, IA 50266 (515) 223‑8685
- 6200 Westown Pkwy, Wolfe Eye ClinicWest Des Moines, IA 50266 (515) 223‑8685
- 800 E 1st St, 2500 Wolfe Clinic PC AnkenyAnkeny, IA 50021 (515) 676‑7014
Group practices
Medicare enrollment lists Matthew P. Rauen as a member of this group (CMS data updated October 2, 2026).
- Wolfe Clinic Inc39 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Ames
Clinicians with the same Medicare primary specialty in Ames, IA — not a recommendation.
Other clinicians in Wolfe Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College 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) | 1922216621 |
| 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
- 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