Somsak Tanawattanacharoen, MD
Nephrology Physician · Eau Claire, WI
Somsak Tanawattanacharoen, MD is a nephrology physician with a practice address in Eau Claire, Wisconsin, and NPI 1851487888, issued on Oct 5, 2006. Check the license (Wisconsin 42822, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Somsak Tanawattanacharoen
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 42822 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2116 Craig RD, Eau Claire, WI 54701
- Phone
- (715) 858-4500
- Enumerated
- Oct 5, 2006
- Record last updated
- Jul 7, 2023
- Medicaid ID
- 34059700 WI
- Medicare enrollment
- Enrolled (PECOS I20040715000747); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 207 in Wisconsin → Look up another NPI →
Also registered at 2116 Craig RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Aguirre, PAPhysician Assistant1982307054
- Aruna Ahluwalia, MDAnesthesiology Physician1205852506
- Sharat Ahluwalia, MDNeurology Physician1629179221
- Omprakash Ahuja, MDPulmonary Disease Physician1861563058
- Brad Allar, PAPhysician Assistant1598795650
- Brent Amble, A.T.C., L.A.T.Athletic Trainer1235122771
Verify Somsak Tanawattanacharoen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 42822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average nephrology physician in 2024
3,097 Medicare Part D claims for 354 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium233 claims
- Calcitriol209 claims
- Amlodipine Besylate203 claims
- Levothyroxine Sodium137 claims
- Lisinopril131 claims
- Furosemide121 claims
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.
Bills Medicare through 2 group practices
- Lakeview Medical Center Inc OF Rice LakeRice Lake, WI
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Somsak Tanawattanacharoen among 207 nephrology physician records in Wisconsin
Somsak Tanawattanacharoen, MD is one of 207 nephrology physician records with a practice address in Wisconsin. 86% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1987 · median 2004 among the 157 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Wisconsin
There are 207 nephrology physician records in Wisconsin.
All 207 in Wisconsin → Every provider in Eau Claire → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jason Bydash, D.O.Eau Claire, WI 547011669628632
- Nathaniel Jalil, MDEau Claire, WI 547011417043449
- Patrick Macken, MDEau Claire, WI 547011003872417
- Jaime Jimenez Lopez, MDEau Claire, WI 547031104235571
- Abdul Khan, MBBSEau Claire, WI 547031548421738
- Suhail Shuja, MDEau Claire, WI 547031982654851
- Devender SinghEau Claire, WI 547031255714549
- Suzanne Norby, M.D.Onalaska, WI 546501710950886
Common questions
What is Somsak Tanawattanacharoen, MD's NPI number?
Somsak Tanawattanacharoen, MD's National Provider Identifier (NPI) is 1851487888, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Somsak Tanawattanacharoen, MD located?
The NPPES record lists a practice address at 2116 Craig RD, Eau Claire, WI, 54701. Phone: (715) 858-4500. Providers update this record themselves, so call before visiting.
How can I verify Somsak Tanawattanacharoen, MD's license?
NPPES lists Wisconsin license number 42822, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Somsak Tanawattanacharoen, MD prescribe under Medicare Part D?
In 2024, Somsak Tanawattanacharoen, MD had 3,097 Medicare Part D claims for 354 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.