Quick answers
- Does Lauren R. Sonderegger accept Medicare assignment?
- Yes. Medicare's clinician data says Lauren R. Sonderegger 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 Lauren R. Sonderegger see?
- In 2024, CMS data shows 40 Original Medicare patients and 64 services for Lauren R. Sonderegger. This counts Original Medicare only and measures volume, not quality.
- What is Lauren R. Sonderegger's NPI number?
- 1891180949. 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 Lauren R. Sonderegger, 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 | 40 |
|---|---|
| Services billed to Medicare | 64 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)17 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)17 services
- Hospital discharge day management, 30 minutes or less (99238)12 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 cholesterol68%
- Arthritis58%
- Depression48%
- Diabetes35%
- COPD35%
Hospitals where Lauren R. Sonderegger works
Medicare's Facility Affiliation Data lists Lauren R. Sonderegger 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.
- Gunnison Valley HospitalGunnison, CO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 061320
- Pagosa Springs Medical CenterPagosa Springs, CO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 061328
- Rio Grande HospitalDel Norte, CO · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 061301
- San Luis Valley Regional Medical CenterAlamosa, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060008
Practice locations
Addresses where Lauren R. Sonderegger is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 106 Blanca AveAlamosa, CO 81101 (713) 589‑3000
- 1710 1st StAlamosa, CO 81101 (719) 589‑3658
- 186 Hurt StCenter, CO 81125 (719) 754‑2778
- 19021 US Hwy 285La Jara, CO 81140 (719) 274‑5121
- 711 N Taylor StGunnison, CO 81230 (970) 641‑1456
Group practices
Medicare enrollment lists Lauren R. Sonderegger as a member of these groups (CMS data updated October 2, 2026).
- Lutheran Hospital Association of the San Luis Valley150 clinicians in the group
- Gunnison Valley Hospital85 clinicians in the group
- Valley-Wide Health Systems, Inc.42 clinicians in the group
- Upper San Juan Health Service District37 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Alamosa
Clinicians with the same Medicare primary specialty in Alamosa, CO — not a recommendation.
Other clinicians in Lutheran Hospital Association of the San Luis Valley
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891180949 |
| 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