Gerald James Gamalski, MD
Internal Medicine Physician · Gurnee, IL
Gerald James Gamalski, MD is an internal medicine physician with a practice address in Gurnee, Illinois, and NPI 1679617716, issued on Feb 19, 2007. Check the license (Illinois 036117567, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gerald James Gamalski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036117567 IL
Self-reported in NPPES; status is on the state search - Practice location
- 731 S Illinois Route 21, Gurnee, IL 60031
- Phone
- (847) 566-3337
- Enumerated
- Feb 19, 2007
- Record last updated
- Feb 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 816-3166
- Medicaid ID
- 036117567 IL
- Medicare enrollment
- Enrolled (PECOS I20070713000815); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 731 S Illinois Route 21
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Fennewald, MDGeriatric Medicine (Internal Medicine) Physician1912911991
- Chae Han - Chang, MDInternal Medicine Physician1588777122
Verify Gerald James Gamalski 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 036117567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,409 Medicare Part D claims for 866 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 317 claims were for opioids.
Most prescribed
- Atorvastatin Calcium779 claims
- Levothyroxine Sodium406 claims
- Amlodipine Besylate359 claims
- Losartan Potassium280 claims
- Omeprazole261 claims
- Lisinopril245 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): 93.1 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).
Bills Medicare through 2 group practices
- Advantage Physical Therapy And Sports Rehab, LLCSalem, WI
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerald James Gamalski among 7,238 internal medicine physician records in Illinois
Gerald James Gamalski, 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 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2004 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 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).
28 internal medicine physician records list a practice address in Gurnee
They are 28 of the 846 NPPES records with a practice address in Gurnee, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Gurnee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vivek Arora, M.D.Gurnee, IL 600311194712638
- Melissa Chen, M.D.Gurnee, IL 600311942261516
- Regan Christopoulos, MDGurnee, IL 600311740231596
- Efren Estrella, M.D.Gurnee, IL 600311053341172
- Mohammad Kagzi, MDGurnee, IL 600311659347409
- Jason Kramer, M.D.Gurnee, IL 600311093746927
- James Monahan, MDGurnee, IL 600311760478499
- Joseph Mun, MDGurnee, IL 600311588635940
Common questions
What is Gerald James Gamalski, MD's NPI number?
Gerald James Gamalski, MD's National Provider Identifier (NPI) is 1679617716, issued on Feb 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gerald James Gamalski, MD located?
The NPPES record lists a practice address at 731 S Illinois Route 21, Gurnee, IL, 60031. Phone: (847) 566-3337. Providers update this record themselves, so call before visiting.
How can I verify Gerald James Gamalski, MD's license?
NPPES lists Illinois license number 036117567, 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 Gerald James Gamalski, MD prescribe under Medicare Part D?
In 2024, Gerald James Gamalski, MD had 10,409 Medicare Part D claims for 866 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gerald James Gamalski, MD's MIPS final score?
The 2023 MIPS final score is 93.1 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.