Robert Allan Lizer, D.O.
Family Medicine Physician · Peoria, IL
Robert Allan Lizer, D.O. is a family medicine physician with a practice address in Peoria, Illinois, and NPI 1184624280, issued on Jul 29, 2005. Check the license (Illinois 036094218, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert Allan Lizer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036094218 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5401 N Knoxville Ave, Peoria, IL 61614
- Phone
- (309) 692-4375
- Enumerated
- Jul 29, 2005
- Record last updated
- Apr 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (309) 692-9820
- Medicaid ID
- 036094218 IL
- Medicare enrollment
- Enrolled (PECOS I20100913000462); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1993
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 5401 N Knoxville Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Brennan, NPNurse Practitioner1396789509
- Kristin Budde, PTPhysical Therapist1407955545
- Prentiss Carter, MDObstetrics & Gynecology Physician1992808489
Verify Robert Allan Lizer 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 036094218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,676 Medicare Part D claims for 567 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 129 claims were for opioids.
Most prescribed
- Atorvastatin Calcium548 claims
- Lisinopril367 claims
- Levothyroxine Sodium329 claims
- Amlodipine Besylate245 claims
- Simvastatin239 claims
- Gabapentin179 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 4 group practices
- Carle Health Care IncorporatedPeoria, IL
- Methodist Medical Center OF IllinoisPeoria, IL
- Proctor Health SystemsBartonville, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Allan Lizer among 6,215 family medicine physician records in Illinois
Robert Allan Lizer, D.O. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2006 among the 3,714 with a school on file
- Record last updated2012 · 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).
134 family medicine physician records list a practice address in Peoria
They are 134 of the 4,621 NPPES records with a practice address in Peoria, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Peoria → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Adams, MDPeoria, IL 616141184646317
- Syed Ali, M.D.Peoria, IL 616141700805439
- Wade Carlson, MDPeoria, IL 616141275557498
- Gregory ClementzPeoria, IL 616141174605505
- Ronald Davis, M.D.Peoria, IL 616141447375886
- Jessica Higgs, MDPeoria, IL 616141588687800
- Patricio Ilada, M.D.Peoria, IL 616141679630156
- Nicolaas Jongerius, MDPeoria, IL 616141235144056
Common questions
What is Robert Allan Lizer, D.O.'s NPI number?
Robert Allan Lizer, D.O.'s National Provider Identifier (NPI) is 1184624280, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Allan Lizer, D.O. located?
The NPPES record lists a practice address at 5401 N Knoxville Ave, Peoria, IL, 61614. Phone: (309) 692-4375. Providers update this record themselves, so call before visiting.
How can I verify Robert Allan Lizer, D.O.'s license?
NPPES lists Illinois license number 036094218, 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 Robert Allan Lizer, D.O. prescribe under Medicare Part D?
In 2024, Robert Allan Lizer, D.O. had 7,676 Medicare Part D claims for 567 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.