NPPES file of Aug 9, 2026

Sonya R. Eiben, MD

Internal Medicine Physician · Appleton, WI

Sonya R. Eiben, MD is an internal medicine physician with a practice address in Appleton, Wisconsin, and NPI 1710916812, issued on Jul 1, 2006. Check the license (Wisconsin 34220-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710916812
Name
Sonya R. Eiben
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
34220-020 WI
Self-reported in NPPES; status is on the state search
Practice location
3916 N Intertech CT, Appleton, WI 54913
Phone
(920) 996-1000
Enumerated
Jul 1, 2006
Record last updated
Jan 28, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(920) 997-8302
Medicaid ID
31974700 WI
Medicare enrollment
Enrolled (PECOS I20060925000101); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3916 N Intertech CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicholas Brice, PAPhysician Assistant1699262378
  2. Brandon Bukovitz, MDInternal Medicine Physician1831768399
  3. Christina Carnes, PA-CPhysician Assistant1376616417
  4. David Cupp, MDFamily Medicine Physician1184373789
  5. Stephen Dernlan, MDInternal Medicine Physician1083646608
  6. Aaron Douglas, MDFamily Medicine Physician1346252442

Verify Sonya R. Eiben in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 34220-020
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.5 times the Medicare Part D claims of the average internal medicine physician in 2024

14,148 Medicare Part D claims for 916 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 216 claims were for opioids.

  1. Sonya Eiben14,148
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium871 claims
  2. Amlodipine Besylate791 claims
  3. Atorvastatin Calcium692 claims
  4. Lisinopril659 claims
  5. Metoprolol Succinate439 claims
  6. Losartan Potassium424 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 one group practice

  1. Primary Care Associates OF Appleton, LtdAppleton, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

39 internal medicine physician records list a practice address in Appleton

They are 39 of the 3,249 NPPES records with a practice address in Appleton, and 2,078 internal medicine physician records in Wisconsin.

Other internal medicine physician records in Wisconsin

  1. Sheetal Aatrai, MDMarshfield, WI1417568965
  2. Khalid Abdelgadir, MDManitowoc, WI1407433295
  3. Mesfin Abdissa, MDMilwaukee, WI1376579417
  4. Anas Abed, MDMadison, WI1659002566
  5. Margaret Abel, MDRhinelander, WI1477590487
  6. Mesfin Abera, M.D.Beaver Dam, WI1972852390
  7. Vidthya Abraham, M.D.Madison, WI1861836058
  8. Ismael Abu Limon, MDGreenfield, WI1467945543
  9. Amjed Abu Muhanna, MDMarinette, WI1861514135
  10. Satish Achanti, MDAppleton, WI1982711198

Common questions

What is Sonya R. Eiben, MD's NPI number?

Sonya R. Eiben, MD's National Provider Identifier (NPI) is 1710916812, issued on Jul 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sonya R. Eiben, MD located?

The NPPES record lists a practice address at 3916 N Intertech CT, Appleton, WI, 54913. Phone: (920) 996-1000. Providers update this record themselves, so call before visiting.

How can I verify Sonya R. Eiben, MD's license?

NPPES lists Wisconsin license number 34220-020, 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 Sonya R. Eiben, MD prescribe under Medicare Part D?

In 2024, Sonya R. Eiben, MD had 14,148 Medicare Part D claims for 916 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.