Quick answers
- Does Matthew N. Walsh accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew N. Walsh 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 N. Walsh see?
- In 2024, CMS data shows 223 Original Medicare patients and 314 services for Matthew N. Walsh. This counts Original Medicare only and measures volume, not quality.
- What is Matthew N. Walsh's NPI number?
- 1023007077. 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 N. Walsh, 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 | 223 |
|---|---|
| Services billed to Medicare | 314 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)85 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)64 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)25 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)25 services
- Simple insertion of temporary bladder tube (51702)17 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 pressure71%
- High cholesterol62%
- Arthritis45%
- Diabetes32%
- Ischemic heart disease31%
- Chronic kidney disease30%
Hospitals where Matthew N. Walsh works
Medicare's Facility Affiliation Data lists Matthew N. Walsh 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.
- Beartooth Billings ClinicRed Lodge, MT · Critical Access Hospital · Emergency services: not listed by Medicare · CCN 271326
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270004
- North Big Horn Hospital DistrictLovell, WY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 531309
- Stillwater Billings ClinicColumbus, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271330
Practice locations
Addresses where Matthew N. Walsh is enrolled with Medicare (CMS data updated October 2, 2026).
- 2702 8th Ave NBillings, MT 59101 (406) 238‑5254
- 2800 10th Ave NBillings, MT 59101 (406) 657‑4000
- 2800 10th Ave N, Suite DBillings, MT 59101 (406) 238‑2500
- 2929 10th Ave NBillings, MT 59101 (406) 657‑4000
- 801 N 29th StBillings, MT 59101 (406) 238‑2500
Group practices
Medicare enrollment lists Matthew N. Walsh as a member of this group (CMS data updated October 2, 2026).
- Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Billings
Clinicians with the same Medicare primary specialty in Billings, MT — not a recommendation.
Other clinicians in Billings Clinic Specialty Supplies and Services, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023007077 |
| 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