Quick answers
- Does Savannah L. Sommerhalder accept Medicare assignment?
- Medicare's clinician data says Savannah L. Sommerhalder may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Savannah L. Sommerhalder see?
- In 2024, CMS data shows 198 Original Medicare patients and 4,241 services for Savannah L. Sommerhalder. This counts Original Medicare only and measures volume, not quality.
- What is Savannah L. Sommerhalder's NPI number?
- 1407234347. 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 Savannah L. Sommerhalder, 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 | 198 |
|---|---|
| Services billed to Medicare | 4,241 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Test for allergy using allergenic extract (95004)1,868 services
- Test for allergy using allergenic extract injected into skin (95024)861 services
- Professional service for multiple injections of allergen (95117)635 services
- Professional service for single injection of allergen (95115)68 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)56 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 cholesterol75%
- High blood pressure69%
- Arthritis51%
- Asthma30%
- Diabetes25%
- Anxiety22%
Practice locations
Addresses where Savannah L. Sommerhalder is enrolled with Medicare (CMS data updated October 2, 2026).
- 3300 Dallas Pkwy, Suite 224Plano, TX 75093 (972) 528‑4811
Group practices
Medicare enrollment lists Savannah L. Sommerhalder as a member of this group (CMS data updated October 2, 2026).
- Sinus and Allergy Specialists of Texas44 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Pediatric Medicinealso
Other allergist and immunologists in Plano
Clinicians with the same Medicare primary specialty in Plano, TX — not a recommendation.
Other clinicians in Sinus and Allergy Specialists of Texas
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1407234347 |
| 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