Quick answers
- Does Mary Ann Amend accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Ann Amend 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 Mary Ann Amend see?
- In 2024, CMS data shows 161 Original Medicare patients and 291 services for Mary Ann Amend. This counts Original Medicare only and measures volume, not quality.
- What is Mary Ann Amend's NPI number?
- 1659312254. 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 Mary Ann Amend, 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 | 161 |
|---|---|
| Services billed to Medicare | 291 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)107 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)48 services
- Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)19 services
- Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)17 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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 pressure75%
- High cholesterol75%
- Arthritis75%
- Osteoporosis35%
- Diabetes30%
- Ischemic heart disease30%
Hospitals where Mary Ann Amend works
Medicare's Facility Affiliation Data lists Mary Ann Amend 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.
- Allen HospitalWaterloo, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160110
Practice locations
Addresses where Mary Ann Amend is enrolled with Medicare (CMS data updated October 2, 2026).
- 146 W Dale St, Suite 201Waterloo, IA 50703 (319) 226‑9888
Group practices
Medicare enrollment lists Mary Ann Amend as a member of this group (CMS data updated October 2, 2026).
- Iowa Physicians Clinic Medical Foundation1,246 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Waterloo
Clinicians with the same Medicare primary specialty in Waterloo, IA — not a recommendation.
Other clinicians in Iowa Physicians Clinic Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659312254 |
| 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