Lawrence K. Weiner, M.D.
Internal Medicine Physician · Niles, IL
Lawrence K. Weiner, M.D. is an internal medicine physician with a practice address in Niles, Illinois, and NPI 1508816901, issued on May 10, 2006. Check the license (Illinois 036069107, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lawrence K. Weiner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036069107 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7900 N Milwaukee Ave # 22, Niles, IL 60714
- Phone
- (847) 994-4671
- Enumerated
- May 10, 2006
- Record last updated
- Feb 9, 2026
- Fax
- (847) 423-6705
- Medicare enrollment
- Enrolled (PECOS I20051007000094); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 7900 N Milwaukee Ave # 22
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gail Herman, M.D.Internal Medicine Physician1457301871
Verify Lawrence K. Weiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036069107Check 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 internal medicine physician in 2024
7,154 Medicare Part D claims for 563 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. 81 claims were for opioids.
Most prescribed
- Atorvastatin Calcium617 claims
- Amlodipine Besylate323 claims
- Lisinopril311 claims
- Levothyroxine Sodium270 claims
- Metoprolol Succinate240 claims
- Rosuvastatin Calcium183 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.
Industry payments in 2024: $610.85
31 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lawrence K. Weiner among 7,238 internal medicine physician records in Illinois
Lawrence K. Weiner, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1983 · median 2003 among the 3,580 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 internal medicine physician records list a practice address in Niles
They are 21 of the 589 NPPES records with a practice address in Niles, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Niles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gail Herman, M.D.Niles, IL 607141457301871
- Bruce Hertz, MDNiles, IL 607141124092259
- Shilpa Joglekar, M.D.Niles, IL 607141225087174
- Thomas Kannin, MDNiles, IL 607141235132952
- Indira Nair, M.D., S.C.Niles, IL 607141306880455
- Kyong Oh, M.D.Niles, IL 607141144253048
- John Oh, M.D.Niles, IL 607141992730725
- Camelia Pop, M.D.Niles, IL 607141396853230
Common questions
What is Lawrence K. Weiner, M.D.'s NPI number?
Lawrence K. Weiner, M.D.'s National Provider Identifier (NPI) is 1508816901, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence K. Weiner, M.D. located?
The NPPES record lists a practice address at 7900 N Milwaukee Ave # 22, Niles, IL, 60714. Phone: (847) 994-4671. Providers update this record themselves, so call before visiting.
How can I verify Lawrence K. Weiner, M.D.'s license?
NPPES lists Illinois license number 036069107, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lawrence K. Weiner, M.D. prescribe under Medicare Part D?
In 2024, Lawrence K. Weiner, M.D. had 7,154 Medicare Part D claims for 563 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.