John E. Lambert, DO
Family Medicine Physician · Beaver Dam, WI
John E. Lambert, DO is a family medicine physician with a practice address in Beaver Dam, Wisconsin, and NPI 1710121215, issued on Apr 28, 2009. Check the license (Wisconsin 54852, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John E. Lambert
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 54852 WI
Self-reported in NPPES; status is on the state search - Practice location
- 705 S University Ave, Beaver Dam, WI 53916
- Phone
- (920) 887-9272
- Enumerated
- Apr 28, 2009
- Record last updated
- Feb 18, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (920) 885-4752
- Medicare enrollment
- Enrolled (PECOS I20120801000839); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2009
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 705 S University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Augustson, MDFamily Medicine Physician1770534208
- Seth Barudin, MDFamily Medicine Physician1821051640
- Marie Berry, APNPNurse Practitioner1164473591
- Ronay BjerkePharmacist1871847731
- William Bull, MDInternal Medicine Physician1104511179
- Edward Cody, MDFamily Medicine Physician1144271677
Verify John E. Lambert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 54852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,048 Medicare Part D claims for 486 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 294 claims were for opioids.
Most prescribed
- Atorvastatin Calcium619 claims
- Lisinopril412 claims
- Omeprazole307 claims
- Metoprolol Succinate272 claims
- Amlodipine Besylate271 claims
- Levothyroxine Sodium259 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
- University OF Wisconsin Medical Foundation IncFort Atkinson, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John E. Lambert among 3,765 family medicine physician records in Wisconsin
John E. Lambert, DO 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 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2007 among the 2,347 with a school on file
- Record last updated2014 · 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).
20 family medicine physician records list a practice address in Beaver Dam
They are 20 of the 412 NPPES records with a practice address in Beaver Dam, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Beaver Dam → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bradley Allen, MDBeaver Dam, WI 539161447201918
- Michael Augustson, MDBeaver Dam, WI 539161770534208
- Seth Barudin, MDBeaver Dam, WI 539161821051640
- Victor Caceres, M.D.Beaver Dam, WI 539161841243433
- Edward Cody, MDBeaver Dam, WI 539161144271677
- Charles Frinak, MDBeaver Dam, WI 539161497706949
- D Brynley Jones, MDBeaver Dam, WI 539161033170337
- Thomas Kalinosky, DOBeaver Dam, WI 539161982719266
Common questions
What is John E. Lambert, DO's NPI number?
John E. Lambert, DO's National Provider Identifier (NPI) is 1710121215, issued on Apr 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John E. Lambert, DO located?
The NPPES record lists a practice address at 705 S University Ave, Beaver Dam, WI, 53916. Phone: (920) 887-9272. Providers update this record themselves, so call before visiting.
How can I verify John E. Lambert, DO's license?
NPPES lists Wisconsin license number 54852, 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 John E. Lambert, DO prescribe under Medicare Part D?
In 2024, John E. Lambert, DO had 8,048 Medicare Part D claims for 486 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.