Robert Geller, MD
Infectious Disease Physician · Freeport, IL
Robert Geller, MD is an infectious disease physician with a practice address in Freeport, Illinois, and NPI 1013983212, issued on Feb 27, 2006. Check the license (Illinois 036056246, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert Geller
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036056246 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1010 Fairway Dr, Freeport, IL 61032
- Phone
- (815) 599-6000
- Enumerated
- Feb 27, 2006
- Record last updated
- Jun 18, 2026
- Medicaid ID
- 036056246 IL
- Medicare enrollment
- Enrolled (PECOS I20080728000741); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1966
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 1010 Fairway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Bader, PTPhysical Medicine & Rehabilitation Physician1396977864
- Megan Bauer, FNP-BCFamily Nurse Practitioner1811680333
- Cynthia Baxter, PTAPhysical Therapy Assistant1437903853
- Tamisha Bonvillain, FNP-BCFamily Nurse Practitioner1073163838
- Tracy Clay, NPFamily Nurse Practitioner1841347069
- John Cook, APRN,BCFamily Nurse Practitioner1467426445
Verify Robert Geller 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 036056246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average infectious disease physician in 2024
23 Medicare Part D claims for 11 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Penicillin V Potassium11 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Freeport Regional Health Care FoundationFreeport, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Geller among 464 infectious disease physician records in Illinois
Robert Geller, MD is one of 464 infectious disease physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1966 · median 2004 among the 311 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Freeport → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Abdulhamid Alkhalaf, M.D.Dixon, IL 610211043237035
- Dara GrennanDixon, IL 610211518282938
- Hussein Zaioor, MDSterling, IL 610811013919943
- Suma Rao, MDRockford, IL 611021346223294
- Moamen Al Zoubi, MDRockford, IL 611031770902587
- Scott Homann, M.D.Rockford, IL 611041689674541
- Geoffrey Tsaras, MDRockford, IL 611041023278769
- Jason Malenfant, M.D.Rockford, IL 611071578976411
Common questions
What is Robert Geller, MD's NPI number?
Robert Geller, MD's National Provider Identifier (NPI) is 1013983212, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Geller, MD located?
The NPPES record lists a practice address at 1010 Fairway Dr, Freeport, IL, 61032. Phone: (815) 599-6000. Providers update this record themselves, so call before visiting.
How can I verify Robert Geller, MD's license?
NPPES lists Illinois license number 036056246, 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 Geller, MD prescribe under Medicare Part D?
In 2024, Robert Geller, MD had 23 Medicare Part D claims for 11 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Robert Geller, MD's MIPS final score?
The 2023 MIPS final score is 82.6 of 100, reported for the practice group. 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.