Robert A. Gerber, MD
Internal Medicine Physician · Grayslake, IL
Robert A. Gerber, MD is an internal medicine physician with a practice address in Grayslake, Illinois, and NPI 1568618296, issued on Aug 13, 2008. Check the license (Illinois 036125082, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert A. Gerber
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036125082 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1475 E Belvidere RD Ste 214, Grayslake, IL 60030
- Phone
- (847) 535-7157
- Enumerated
- Aug 13, 2008
- Record last updated
- Mar 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (847) 535-7399
- Medicare enrollment
- Enrolled (PECOS I20110607000218); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1475 E Belvidere RD Ste 214
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheryl Hoyer, MDDermatology Physician1760474928
Verify Robert A. Gerber 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 036125082Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average internal medicine physician in 2024
4,872 Medicare Part D claims for 410 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium466 claims
- Amlodipine Besylate204 claims
- Levothyroxine Sodium188 claims
- Lisinopril174 claims
- Omeprazole142 claims
- Valsartan138 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: $77.99
1 payment: food and beverage; the largest payer was Smith+Nephew, 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
- Northwestern Medical Faculty FoundationGrayslake, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert A. Gerber among 7,238 internal medicine physician records in Illinois
Robert A. Gerber, 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 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2006 · median 2003 among the 3,580 with a school on file
- Record last updated2020 · 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).
7 internal medicine physician records list a practice address in Grayslake
They are 7 of the 572 NPPES records with a practice address in Grayslake, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Grayslake → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence Amato, M.D.Grayslake, IL 600301528020690
- Howard Axe, MDGrayslake, IL 600301649254939
- Vincent Doan, DOGrayslake, IL 600301215671391
- Carola Nesbitt, M.D.Third Lake, IL 600301881979797
- Agata Oczko-Danguilan, M.D.Grayslake, IL 600301285701714
- Dilraj Sidhu, M.D.Grayslake, IL 600301811953722
- Parag Thakkar, MDGrayslake, IL 600301245256965
- Vivek Arora, M.D.Gurnee, IL 600311194712638
Common questions
What is Robert A. Gerber, MD's NPI number?
Robert A. Gerber, MD's National Provider Identifier (NPI) is 1568618296, issued on Aug 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Gerber, MD located?
The NPPES record lists a practice address at 1475 E Belvidere RD Ste 214, Grayslake, IL, 60030. Phone: (847) 535-7157. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Gerber, MD's license?
NPPES lists Illinois license number 036125082, 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 A. Gerber, MD prescribe under Medicare Part D?
In 2024, Robert A. Gerber, MD had 4,872 Medicare Part D claims for 410 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert A. Gerber, MD'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.