Keith Leitzen, M.D.
Otolaryngology Physician · Lake Forest, IL
Keith Leitzen, M.D. is an otolaryngology physician with a practice address in Lake Forest, Illinois, and NPI 1174754139, issued on Aug 7, 2009. Check the license (Illinois 036149517, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Keith Leitzen
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 036149517 IL
0101250055 VA
Self-reported in NPPES; status is on the state search - Practice location
- 800 N Westmoreland RD Ste 102, Lake Forest, IL 60045
- Phone
- (847) 535-6464
- Enumerated
- Aug 7, 2009
- Record last updated
- Jun 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190619001267); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 482 in Illinois → Look up another NPI →
Also registered at 800 N Westmoreland RD Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Chiren, PA-CPhysician Assistant1790423713
- Diana Ilinskiy, M.D.Hospitalist Physician1598991218
- Colleen Kirby, PA-CPhysician Assistant1659072908
- Michael Kolozsvary-Kiss, M.D.Internal Medicine Physician1760829733
- Alex Labby, MDOtolaryngology Physician1639502560
- Christina Rosean, AU.D.Audiologist1336518687
Verify Keith Leitzen 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 036149517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average otolaryngology physician in 2024
593 Medicare Part D claims for 204 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl183 claims
- Fluticasone Propionate112 claims
- Ipratropium Bromide74 claims
- Omeprazole44 claims
- Pantoprazole Sodium34 claims
- Mupirocin30 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $933.82
9 payments; by number, the most common kind was travel and lodging; the largest payer was Stryker Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Leitzen among 482 otolaryngology physician records in Illinois
Keith Leitzen, M.D. is one of 482 otolaryngology 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 2009, is newer than 58% of them.
- NPI issued2009 · 58% 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
- Graduated2009 · median 2005 among the 290 with a school on file
- Record last updated2019 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Illinois
There are 482 otolaryngology physician records in Illinois.
All 482 in Illinois → Every provider in Lake Forest → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Allen Carlins, M.D.Lake Forest, IL 600451073547469
- Landon Duyka, M.D.Lake Forest, IL 600451194921924
- Alan Freint, M.D.Lake Forest, IL 600451174501514
- Alex Labby, MDLake Forest, IL 600451639502560
- Amanda Karcioglu, M.D.Lake Bluff, IL 600441174686893
- Angelique Cohen, M.D.Libertyville, IL 600481205926359
- Rebecca Kennedy, MDLibertyville, IL 600481669582581
- Colleen Plein, M.D.Libertyville, IL 600481114248028
Common questions
What is Keith Leitzen, M.D.'s NPI number?
Keith Leitzen, M.D.'s National Provider Identifier (NPI) is 1174754139, issued on Aug 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Keith Leitzen, M.D. located?
The NPPES record lists a practice address at 800 N Westmoreland RD Ste 102, Lake Forest, IL, 60045. Phone: (847) 535-6464. Providers update this record themselves, so call before visiting.
How can I verify Keith Leitzen, M.D.'s license?
NPPES lists Illinois license number 036149517, 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 Keith Leitzen, M.D. prescribe under Medicare Part D?
In 2024, Keith Leitzen, M.D. had 593 Medicare Part D claims for 204 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Keith Leitzen, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.