Daniel S. Lazar, M.D.
Internal Medicine Physician · Morton Grove, IL
Daniel S. Lazar, M.D. is an internal medicine physician with a practice address in Morton Grove, Illinois, and NPI 1841298395, issued on Jul 8, 2005. Check the license (Illinois 036081565, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Daniel S. Lazar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036081565 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6131 Dempster St, Morton Grove, IL 60053
- Phone
- (847) 967-5010
- Enumerated
- Jul 8, 2005
- Record last updated
- Mar 24, 2025
- Fax
- (847) 967-5147
- Medicare enrollment
- Enrolled (PECOS I20100925000314); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 6131 Dempster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathy Bailey, M.DInternal Medicine Physician1235136961
- Daniel Berman, M.D.Internal Medicine Physician1255339792
- Jerry Bernstein, M.D.Internal Medicine Physician1770581092
- Gordon Cotell, M.D.Internal Medicine Physician1467450999
- Hillary Ecker, MDInternal Medicine Physician1356601256
- Judith James, FNP-BCFamily Nurse Practitioner1194972828
Verify Daniel S. Lazar 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 036081565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,850 Medicare Part D claims for 763 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 270 claims were for opioids.
Most prescribed
- Atorvastatin Calcium701 claims
- Levothyroxine Sodium411 claims
- Amlodipine Besylate392 claims
- Lisinopril360 claims
- Losartan Potassium358 claims
- Metoprolol Succinate352 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
- Advocate Health And Hospitals CorporationPark Ridge, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel S. Lazar among 7,238 internal medicine physician records in Illinois
Daniel S. Lazar, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1988 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 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
- Minh Nguyen, DOMorton Grove, IL 600531326531138
- Susana Salcedo, M.D.Morton Grove, IL 600531134305402
- Allan Sutow, MDMorton Grove, IL 600531568597441
Common questions
What is Daniel S. Lazar, M.D.'s NPI number?
Daniel S. Lazar, M.D.'s National Provider Identifier (NPI) is 1841298395, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel S. Lazar, M.D. located?
The NPPES record lists a practice address at 6131 Dempster St, Morton Grove, IL, 60053. Phone: (847) 967-5010. Providers update this record themselves, so call before visiting.
How can I verify Daniel S. Lazar, M.D.'s license?
NPPES lists Illinois license number 036081565, 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 Daniel S. Lazar, M.D. prescribe under Medicare Part D?
In 2024, Daniel S. Lazar, M.D. had 9,850 Medicare Part D claims for 763 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.