Matthew Reisinger, M.D.
Internal Medicine Physician · Denver, CO
Matthew Reisinger, M.D. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1629311345, issued on Apr 1, 2013. Check the license (Colorado DR.0056622, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Reisinger
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0056622 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4567 E 9TH Ave, Denver, CO 80220
- Phone
- (303) 320-2121
- Enumerated
- Apr 1, 2013
- Record last updated
- Feb 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20160606001135); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 4567 E 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Reisinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0056622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
314 Medicare Part D claims for 141 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Cefuroxime22 claims
- Furosemide17 claims
- Pantoprazole Sodium15 claims
- Prednisone14 claims
- Cephalexin13 claims
- Oxycodone Hcl13 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
- Hospital Medicine Services OF Colorado, LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Reisinger among 2,046 internal medicine physician records in Colorado
Matthew Reisinger, M.D. is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2013 · median 2006 among the 1,090 with a school on file
- Record last updated2022 · 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 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
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Common questions
What is Matthew Reisinger, M.D.'s NPI number?
Matthew Reisinger, M.D.'s National Provider Identifier (NPI) is 1629311345, issued on Apr 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Reisinger, M.D. located?
The NPPES record lists a practice address at 4567 E 9TH Ave, Denver, CO, 80220. Phone: (303) 320-2121. Providers update this record themselves, so call before visiting.
How can I verify Matthew Reisinger, M.D.'s license?
NPPES lists Colorado license number DR.0056622, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Reisinger, M.D. prescribe under Medicare Part D?
In 2024, Matthew Reisinger, M.D. had 314 Medicare Part D claims for 141 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.