Alberto P. Sommerhalder, M.D.
Diagnostic Radiology Physician · Longview, TX
Alberto P. Sommerhalder, M.D. is a diagnostic radiology physician with a practice address in Longview, Texas, and NPI 1245297290, issued on Apr 26, 2006. Check the license (Texas E9421, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alberto P. Sommerhalder
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- E9421 TX
Self-reported in NPPES; status is on the state search - Practice location
- 700 E Marshall Ave, Longview, TX 75601
- Phone
- (903) 315-2072
- Enumerated
- Apr 26, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (903) 247-0222
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 700 E Marshall Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwame Agyeman, M.D.Internal Medicine Physician1285863753
- Courtney Alford-Portley, FNP-CFamily Nurse Practitioner1255793451
- Krishan AminInternal Medicine Physician1710398615
- Jeremiah Andrews, CRNACertified Registered Nurse Anesthetist1548030885
- Jessica AparicioRegistered Nurse1316868532
- Nadeen Audisho, MDInternal Medicine Physician1962956896
Verify Alberto P. Sommerhalder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license E9421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
23 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Alberto P. Sommerhalder among 3,124 diagnostic radiology physician records in Texas
Alberto P. Sommerhalder, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Longview → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Alan Glowczwski, M.D.Longview, TX 756011306803366
- Walter Howard, M.D.Longview, TX 756011861459356
- Jerry Keaton, M.D.Longview, TX 756011699731836
- Kevin McCrary, M.D.Longview, TX 756011063478071
- Kimberly Addis, M.D.Longview, TX 756051720064652
- Adam Borowski, MDLongview, TX 756051114987039
- Charles Duvall, M.D.Longview, TX 756051144287657
- David Erwin, M.D.Longview, TX 756051477510972
Common questions
What is Alberto P. Sommerhalder, M.D.'s NPI number?
Alberto P. Sommerhalder, M.D.'s National Provider Identifier (NPI) is 1245297290, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alberto P. Sommerhalder, M.D. located?
The NPPES record lists a practice address at 700 E Marshall Ave, Longview, TX, 75601. Phone: (903) 315-2072. Providers update this record themselves, so call before visiting.
How can I verify Alberto P. Sommerhalder, M.D.'s license?
NPPES lists Texas license number E9421, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alberto P. Sommerhalder, M.D. prescribe under Medicare Part D?
In 2024, Alberto P. Sommerhalder, M.D. had 23 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.