SAVANNAH LEIGH SOMMERHALDER (M.D.) – Allergy & Immunology Physician, NPI 1407234347
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
390 ALLERGY/IMMUNOLOGY in TX
Provider Addresses for SAVANNAH LEIGH SOMMERHALDER (M.D.)
5929 BALCONES DR STE 200
AUSTIN, TX 787314280
Phone: (512) 550-1800
Fax: (855) 828-0878
Type: Mailing
4801 WOODWAY DR STE 120E
HOUSTON, TX 770561872
Phone: (713) 766-5437
Fax: (855) 828-0878
Type: Location
1310 Ranch Road 620 S Ste B9
Lakeway, TX 787346343
Phone: (512) 222-5856
Fax: (877) 647-0202
Type: Location
1780 Round Rock Ave Ste 200
Round Rock, TX 786814069
Phone: (512) 222-5856
Fax: (877) 647-0202
Type: Location
1335 E WHITESTONE BLVD STE 120
CEDAR PARK, TX 786137598
Phone: (512) 222-5856
Fax: (855) 828-0878
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 70 Open Payments records for all available years, with a total value of $1,210.
Total Amount is formed as General ($1,210) + Research ($0) + Ownership ($0) = $1,210.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($435).
Total Amount
$1,210
General + Research + Ownership
Payments
70
Total payment records
General Amount
$1,210
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $435 |
| AstraZeneca Pharmaceuticals LP | $223 |
| GENZYME CORPORATION | $139 |
| Optinose US, Inc. | $74 |
| ABBVIE INC. | $62 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-05-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190530001681 | I | Allergy/Immunology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 3,722 | 62 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 1,500 | 116 | $0 |
| 95117 | Professional service for multiple injections of allergen | 1,318 | 142 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 125 | 93 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 88 | 88 | $0 |
Insurance plans in this area (ZIP 78731)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Physician Assistant | TX | |
| Physician Assistant | OK | |
| Physician Assistant | TX | |
| - | TX | |
| - | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| Pediatric Medicine, Allergy/Immunology | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX |
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