Carl Earl Lambert, M.D.
Family Medicine Physician · Chicago, IL
Carl Earl Lambert, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1710273669, issued on Jun 20, 2011. Check the license (Illinois 125060224, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Carl Earl Lambert
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 125060224 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5425 W Lake St, Chicago, IL 60644
- Phone
- (773) 378-3347
- Enumerated
- Jun 20, 2011
- Record last updated
- Jun 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (773) 378-4028
- Medicare enrollment
- Enrolled (PECOS I20141020001297); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2011
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 5425 W Lake St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle BehrensClinical Social Worker1013574136
- Alvie Bender, LCSWClinical Social Worker1023677051
- Amanda BrooksClinical Social Worker1659786465
- Mary Buswell, MDAddiction Medicine (Family Medicine) Physician1730766387
- Peter Chapman, LCSWClinical Social Worker1053552497
- Michelle Doscas, MDSports Medicine (Family Medicine) Physician1306343421
Verify Carl Earl Lambert 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 125060224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,081 Medicare Part D claims for 108 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium118 claims
- Amlodipine Besylate66 claims
- Hydrochlorothiazide41 claims
- Gabapentin37 claims
- Losartan Potassium27 claims
- Levothyroxine Sodium24 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
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carl Earl Lambert among 6,215 family medicine physician records in Illinois
Carl Earl Lambert, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2011 · median 2006 among the 3,714 with a school on file
- Record last updated2011 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- J Cook, D.O.Chicago, IL 606441104814912
- Ruben Inocencio, MDChicago, IL 606441851424881
- David Kim, M.D.Chicago, IL 606441821159948
- Lisa Kozinski, MDChicago, IL 606441871575233
- Normita Licudine, MDChicago, IL 606441831287887
- Emily Lovaasen, MDChicago, IL 606441144481847
- Chidinma Osineme, MDChicago, IL 606441699941930
- Isaiah Perry, M.D.Chicago, IL 606441316960875
Common questions
What is Carl Earl Lambert, M.D.'s NPI number?
Carl Earl Lambert, M.D.'s National Provider Identifier (NPI) is 1710273669, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Carl Earl Lambert, M.D. located?
The NPPES record lists a practice address at 5425 W Lake St, Chicago, IL, 60644. Phone: (773) 378-3347. Providers update this record themselves, so call before visiting.
How can I verify Carl Earl Lambert, M.D.'s license?
NPPES lists Illinois license number 125060224, 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 Carl Earl Lambert, M.D. prescribe under Medicare Part D?
In 2024, Carl Earl Lambert, M.D. had 1,081 Medicare Part D claims for 108 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.