Najla Khan, MD
Internal Medicine Physician · Libertyville, IL
Najla Khan, MD is an internal medicine physician with a practice address in Libertyville, Illinois, and NPI 1699260554, issued on Jun 24, 2018. Check the license (Illinois 125071658, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Najla Khan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125071658 IL
Self-reported in NPPES; status is on the state search - Practice location
- 825 S Milwaukee Ave, Libertyville, IL 60048
- Phone
- (847) 566-5200
- Enumerated
- Jun 24, 2018
- Record last updated
- Oct 2, 2025
- Fax
- (847) 556-5522
- Medicare enrollment
- Enrolled (PECOS I20220907003667); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 825 S Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Najla Khan 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 125071658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,900 Medicare Part D claims for 252 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium281 claims
- Amlodipine Besylate163 claims
- Losartan Potassium150 claims
- Levothyroxine Sodium104 claims
- Metformin Hcl99 claims
- Omeprazole99 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: $29.81
1 payment: food and beverage; the largest payer was Intuitive Surgical, 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationLibertyville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Najla Khan among 7,238 internal medicine physician records in Illinois
Najla Khan, 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 2018, is newer than 66% of them.
- NPI issued2018 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · 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).
27 internal medicine physician records list a practice address in Libertyville
They are 27 of the 1,361 NPPES records with a practice address in Libertyville, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Libertyville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Chyna, M.D.Libertyville, IL 600481740273507
- Mohina Gupta, MDLibertyville, IL 600481174578843
- Michael Hall, M.D.Libertyville, IL 600481528053972
- Syeda Iftikhar, M.D.Libertyville, IL 600481770599938
- Allison Klotzbuecher, D.O.Libertyville, IL 600481437170552
- Elliot Miller, MDLibertyville, IL 600481164441572
- Melissa Reeves, MDLibertyville, IL 600481942212311
- Mark Riederman, M.D.Libertyville, IL 600481699782151
Common questions
What is Najla Khan, MD's NPI number?
Najla Khan, MD's National Provider Identifier (NPI) is 1699260554, issued on Jun 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Najla Khan, MD located?
The NPPES record lists a practice address at 825 S Milwaukee Ave, Libertyville, IL, 60048. Phone: (847) 566-5200. Providers update this record themselves, so call before visiting.
How can I verify Najla Khan, MD's license?
NPPES lists Illinois license number 125071658, 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 Najla Khan, MD prescribe under Medicare Part D?
In 2024, Najla Khan, MD had 2,900 Medicare Part D claims for 252 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.