Sonja Soeberg Sommer, DDS
General Practice Dentistry · Livermore, CA
Sonja Soeberg Sommer, DDS is a general practice dentistry with a practice address in Livermore, California, and NPI 1093815938, issued on Sep 22, 2006. Check the license (California 41676, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sonja Soeberg Sommer
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 41676 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2221 3RD St, Livermore, CA 94550
- Phone
- (925) 449-8788
- Enumerated
- Sep 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (925) 455-1602
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Sonja Soeberg Sommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average general practice dentistry in 2024
18 Medicare Part D claims for 12 beneficiaries, against an average of 83 among the 70,290 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.
Industry payments in 2024: $14.02
1 payment: food and beverage; the largest payer was OraPharma, a division of Bausch Health US, LLC. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sonja Soeberg Sommer among 17,852 general practice dentistry records in California
Sonja Soeberg Sommer, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 general practice dentistry records list a practice address in Livermore
They are 44 of the 994 NPPES records with a practice address in Livermore, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Livermore → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Roxanna Buchanan, DDSLivermore, CA 945501437255635
- S. Ward Eccles, DDSLivermore, CA 945501821023300
- David Gibson, DDSLivermore, CA 945501487715348
- Kenneth Gong, D.D.S.Livermore, CA 945501043224165
- Jason Hsaio, DDSLivermore, CA 945501497852362
- Joseph Hwang, DMDLivermore, CA 945501245230630
- Todd Kamena, D.D.S.Livermore, CA 945501568515880
- Loren Kihlstrom, D.D.S.Livermore, CA 945501346279866
Common questions
What is Sonja Soeberg Sommer, DDS's NPI number?
Sonja Soeberg Sommer, DDS's National Provider Identifier (NPI) is 1093815938, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sonja Soeberg Sommer, DDS located?
The NPPES record lists a practice address at 2221 3RD St, Livermore, CA, 94550. Phone: (925) 449-8788. Providers update this record themselves, so call before visiting.
How can I verify Sonja Soeberg Sommer, DDS's license?
NPPES lists California license number 41676, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sonja Soeberg Sommer, DDS prescribe under Medicare Part D?
In 2024, Sonja Soeberg Sommer, DDS had 18 Medicare Part D claims for 12 beneficiaries; the average among general practice dentistry prescribers was 83. 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.