David I. Weiss, MD
Internal Medicine Physician · Morton Grove, IL
David I. Weiss, MD is an internal medicine physician with a practice address in Morton Grove, Illinois, and NPI 1851431068, issued on Feb 7, 2007. Check the license (Illinois 036067075, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David I. Weiss
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036067075 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9129 Waukegan RD, Morton Grove, IL 60053
- Phone
- (847) 674-3371
- Enumerated
- Feb 7, 2007
- Record last updated
- Jul 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110610000126); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify David I. Weiss 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 036067075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
245 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Rosuvastatin Calcium20 claims
- Levothyroxine Sodium18 claims
- Losartan Potassium17 claims
- Prednisone15 claims
- Repatha Sureclick14 claims
- Quetiapine Fumarate13 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.
David I. Weiss among 7,238 internal medicine physician records in Illinois
David I. Weiss, MD 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 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1982 · median 2003 among the 3,580 with a school on file
- Record last updated2016 · 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).
11 internal medicine physician records list a practice address in Morton Grove
They are 11 of the 503 NPPES records with a practice address in Morton Grove, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Morton Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kathy Bailey, M.DMorton Grove, IL 600531235136961
- Daniel Berman, M.D.Morton Grove, IL 600531255339792
- Jerry Bernstein, M.D.Morton Grove, IL 600531770581092
- Gordon Cotell, M.D.Morton Grove, IL 600531467450999
- Hillary Ecker, MDMorton Grove, IL 600531356601256
- Daniel Lazar, M.D.Morton Grove, IL 600531841298395
- Minh Nguyen, DOMorton Grove, IL 600531326531138
- Susana Salcedo, M.D.Morton Grove, IL 600531134305402
Common questions
What is David I. Weiss, MD's NPI number?
David I. Weiss, MD's National Provider Identifier (NPI) is 1851431068, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David I. Weiss, MD located?
The NPPES record lists a practice address at 9129 Waukegan RD, Morton Grove, IL, 60053. Phone: (847) 674-3371. Providers update this record themselves, so call before visiting.
How can I verify David I. Weiss, MD's license?
NPPES lists Illinois license number 036067075, 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 David I. Weiss, MD prescribe under Medicare Part D?
In 2024, David I. Weiss, MD had 245 Medicare Part D claims for 14 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.