Stephen C. Lamberton, MD
Family Medicine Physician · Cudahy, WI
Stephen C. Lamberton, MD is a family medicine physician with a practice address in Cudahy, Wisconsin, and NPI 1558435123, issued on Nov 17, 2006. Check the license (Wisconsin 36983, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stephen C. Lamberton
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36983 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5900 S. Lake Drive, Cudahy, WI 53110
- Phone
- (414) 489-4190
- Enumerated
- Nov 17, 2006
- Record last updated
- Oct 2, 2023
- Fax
- (414) 489-4015
- Medicaid ID
- 32201900 WI
- Medicare enrollment
- Enrolled (PECOS I20040701001063); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1993
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 5900 S. Lake Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Armstrong, MDSurgery Physician1457329534
- Thomas Broihier, MDCardiovascular Disease Physician1578641155
- Dexter Rebancos, MDFamily Medicine Physician1801974399
- Jack Tertadian, M.D.Internal Medicine Physician1689780462
Verify Stephen C. Lamberton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 36983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,223 Medicare Part D claims for 417 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. 404 claims were for opioids.
Most prescribed
- Losartan Potassium338 claims
- Levothyroxine Sodium330 claims
- Atorvastatin Calcium286 claims
- Gabapentin284 claims
- Amlodipine Besylate248 claims
- Pantoprazole Sodium222 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
- Lakeshore Medical Clinic LLCCudahy, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen C. Lamberton among 3,765 family medicine physician records in Wisconsin
Stephen C. Lamberton, 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
- Graduated1993 · median 2007 among the 2,347 with a school on file
- Record last updated2023 · 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).
11 family medicine physician records list a practice address in Cudahy
They are 11 of the 174 NPPES records with a practice address in Cudahy, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Cudahy → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fatima Ali, D.OCudahy, WI 531101740546829
- Nikki Allen, MDCudahy, WI 531101043235153
- Timothy Allen, MDCudahy, WI 531101720007271
- Shujahat Chaudhry, M.D.Cudahy, WI 531101184112963
- Ami Prag, MDCudahy, WI 531101386722817
- Sacha Ramirez, M.D.Cudahy, WI 531101316025844
- Dexter Rebancos, MDCudahy, WI 531101801974399
- Christian SanvansonCudahy, WI 531101457513566
Common questions
What is Stephen C. Lamberton, MD's NPI number?
Stephen C. Lamberton, MD's National Provider Identifier (NPI) is 1558435123, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen C. Lamberton, MD located?
The NPPES record lists a practice address at 5900 S. Lake Drive, Cudahy, WI, 53110. Phone: (414) 489-4190. Providers update this record themselves, so call before visiting.
How can I verify Stephen C. Lamberton, MD's license?
NPPES lists Wisconsin license number 36983, 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 Stephen C. Lamberton, MD prescribe under Medicare Part D?
In 2024, Stephen C. Lamberton, MD had 9,223 Medicare Part D claims for 417 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.