NPPES file of Aug 9, 2026

Timothy George Buchanan, MD

Family Medicine Physician · New Berlin, WI

Timothy George Buchanan, MD is a family medicine physician with a practice address in New Berlin, Wisconsin, and NPI 1912085416, issued on Nov 1, 2006. Check the license (Wisconsin 25210, 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
1912085416
Name
Timothy George Buchanan
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25210 WI
Self-reported in NPPES; status is on the state search
Practice location
14555 W National Ave, New Berlin, WI 53151
Phone
(262) 827-2959
Enumerated
Nov 1, 2006
Record last updated
Feb 29, 2024
Fax
(262) 827-2948
Medicaid ID
30619200 WI
Medicare enrollment
Enrolled (PECOS I20040426000792); accepts Medicare assignment
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 14555 W National Ave

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

  1. Ghudran Abdulal, MDFamily Medicine Physician1083622666
  2. Krystyna Abdulla, DOEmergency Medicine Physician1205146578
  3. Trupti Akella, M.D.Gastroenterology Physician1215321690
  4. Courtney Amborn, DPTPhysical Therapist1629685110
  5. Sarah Arvelo, APNPNurse Practitioner1326594474
  6. Michelle Asuncion-Castor, DOFamily Medicine Physician1952044075

Verify Timothy George Buchanan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 25210
    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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64% fewer Medicare Part D claims than the average family medicine physician in 2024

1,268 Medicare Part D claims for 333 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 18 claims were for opioids.

  1. Timothy Buchanan1,268
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium66 claims
  2. Gabapentin46 claims
  3. Omeprazole44 claims
  4. Amlodipine Besylate37 claims
  5. Losartan Potassium37 claims
  6. Lisinopril34 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. Aurora Advanced Healthcare, Inc.Milwaukee, WI

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

Timothy George Buchanan among 3,765 family medicine physician records in Wisconsin

Timothy George Buchanan, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1982 · median 2007 among the 2,347 with a school on file
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 family medicine physician records list a practice address in New Berlin

They are 36 of the 662 NPPES records with a practice address in New Berlin, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Roger Beaumont, D.O.New Berlin, WI 531511649268061
  2. James Censky, MDNew Berlin, WI 531511467459248
  3. Nezih Hasanoglu, D.O.New Berlin, WI 531511730166901
  4. Kevin Izard, M.D.New Berlin, WI 531511508831926
  5. Renee Knapp, D.O.New Berlin, WI 531511043283815
  6. Gary Kuhl, D.O.New Berlin, WI 531511649243429
  7. Gregory Kuhr, MDNew Berlin, WI 531511720049844
  8. Margaret Leonhardt, M.D.New Berlin, WI 531511538153416

Common questions

What is Timothy George Buchanan, MD's NPI number?

Timothy George Buchanan, MD's National Provider Identifier (NPI) is 1912085416, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy George Buchanan, MD located?

The NPPES record lists a practice address at 14555 W National Ave, New Berlin, WI, 53151. Phone: (262) 827-2959. Providers update this record themselves, so call before visiting.

How can I verify Timothy George Buchanan, MD's license?

NPPES lists Wisconsin license number 25210, 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 Timothy George Buchanan, MD prescribe under Medicare Part D?

In 2024, Timothy George Buchanan, MD had 1,268 Medicare Part D claims for 333 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.