NPPES file of Aug 9, 2026

Aaron S. Douglas, MD

Family Medicine Physician · Appleton, WI

Aaron S. Douglas, MD is a family medicine physician with a practice address in Appleton, Wisconsin, and NPI 1346252442, issued on Aug 13, 2006. Check the license (Wisconsin 49481, 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
1346252442
Name
Aaron S. Douglas
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
49481 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
Aug 13, 2006
Record last updated
Jan 29, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(920) 996-1050
Medicaid ID
34892200 WI
Medicare enrollment
Enrolled (PECOS I20061006000161); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2005
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. Sonya Eiben, MDInternal Medicine Physician1710916812

Verify Aaron S. Douglas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 49481
    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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2.7 times the Medicare Part D claims of the average family medicine physician in 2024

9,596 Medicare Part D claims for 741 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 23 claims were for opioids.

  1. Aaron Douglas9,596
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium1,031 claims
  2. Lisinopril591 claims
  3. Amlodipine Besylate586 claims
  4. Metoprolol Succinate421 claims
  5. Levothyroxine Sodium402 claims
  6. Losartan Potassium313 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).

108 family medicine physician records list a practice address in Appleton

They are 108 of the 3,249 NPPES records with a practice address in Appleton, and 3,765 family medicine physician records in Wisconsin.

Other family medicine physician records in Wisconsin

  1. Ashraf AbbasAppleton, WI1558723775
  2. Ghudran Abdulal, MDNew Berlin, WI1083622666
  3. Yusuf Abdullah, DOSun Prairie, WI1437788478
  4. Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
  5. Emily Abeyta, MDWaukesha, WI1386905107
  6. Jeanette Abraham, MDWeston, WI1205895810
  7. Sarada Abraham, M.D.Oconomowoc, WI1962851972
  8. Kirsten Abramson, MDMadison, WI1417909979
  9. Alexandra Adams, MD PHDMadison, WI1184689291
  10. David AdamsMadison, WI1992986897

Common questions

What is Aaron S. Douglas, MD's NPI number?

Aaron S. Douglas, MD's National Provider Identifier (NPI) is 1346252442, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron S. Douglas, 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 Aaron S. Douglas, MD's license?

NPPES lists Wisconsin license number 49481, 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 Aaron S. Douglas, MD prescribe under Medicare Part D?

In 2024, Aaron S. Douglas, MD had 9,596 Medicare Part D claims for 741 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.