Quick answers
- Does Diane M. Donegan accept Medicare assignment?
- Yes. Medicare's clinician data says Diane M. Donegan 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 Diane M. Donegan see?
- In 2024, CMS data shows 144 Original Medicare patients and 289 services for Diane M. Donegan. This counts Original Medicare only and measures volume, not quality.
- What is Diane M. Donegan's NPI number?
- 1295014066. 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 Diane M. Donegan, 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 | 144 |
|---|---|
| Services billed to Medicare | 289 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)82 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)65 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)36 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)22 services
- Insertion of needle into vein for collection of blood sample (36415)21 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 pressure70%
- High cholesterol65%
- Diabetes42%
- Arthritis35%
- Depression33%
- Anxiety31%
Hospitals where Diane M. Donegan works
Medicare's Facility Affiliation Data lists Diane M. Donegan 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.
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240043
- Mayo Clinic Health System in Red WingRed Wing, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240018
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240010
- Park Nicollet Methodist HospitalSaint Louis Park, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240053
Practice locations
Addresses where Diane M. Donegan is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 1st St SWRochester, MN 55905 (507) 284‑2511
Group practices
Medicare enrollment lists Diane M. Donegan as a member of this group (CMS data updated October 2, 2026).
- Mayo Clinic4,956 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.
Other clinicians in Mayo Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295014066 |
| 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