Matthew Fitz, MD
Internal Medicine Physician · Palos Heights, IL
Matthew Fitz, MD is an internal medicine physician with a practice address in Palos Heights, Illinois, and NPI 1205800513, issued on Feb 14, 2006. Check the license (Illinois 36103346, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Matthew Fitz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36103346 IL
Self-reported in NPPES; status is on the state search - Practice location
- 11845 Southwest Hwy Unit 12, Palos Heights, IL 60463
- Phone
- (708) 923-5474
- Enumerated
- Feb 14, 2006
- Record last updated
- Oct 22, 2025
- Fax
- (708) 923-5390
- Medicaid ID
- 36103346 IL
- Medicare enrollment
- Enrolled (PECOS I20031217000591); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 11845 Southwest Hwy Unit 12
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Fitz 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 36103346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
476 Medicare Part D claims for 84 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium33 claims
- Lisinopril31 claims
- Amlodipine Besylate25 claims
- Furosemide20 claims
- Pantoprazole Sodium20 claims
- Losartan Potassium17 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 one group practice
- Central Dupage Physician GroupWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Fitz among 7,238 internal medicine physician records in Illinois
Matthew Fitz, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1998 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 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).
34 internal medicine physician records list a practice address in Palos Heights
They are 34 of the 992 NPPES records with a practice address in Palos Heights, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Palos Heights → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Samina Chaudhry, M.D.Palos Heights, IL 604631467487884
- Florie Gonsch, D.O.Palos Heights, IL 604631831144476
- Noorun Khan, M.D.Palos Heights, IL 604631548234073
- Samina Khan, M.D.Palos Heights, IL 604631376512475
- Irma Kuptel, MDPalos Heights, IL 604631508808999
- Maria Lentzou, M.D.Palos Heights, IL 604631124071139
- James Miller, MDPalos Heights, IL 604631710933544
- Sandhya Nagubadi, M.D.Palos Heights, IL 604631043262207
Common questions
What is Matthew Fitz, MD's NPI number?
Matthew Fitz, MD's National Provider Identifier (NPI) is 1205800513, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Fitz, MD located?
The NPPES record lists a practice address at 11845 Southwest Hwy Unit 12, Palos Heights, IL, 60463. Phone: (708) 923-5474. Providers update this record themselves, so call before visiting.
How can I verify Matthew Fitz, MD's license?
NPPES lists Illinois license number 36103346, 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 Matthew Fitz, MD prescribe under Medicare Part D?
In 2024, Matthew Fitz, MD had 476 Medicare Part D claims for 84 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.