Oscar Alejandro Ramirez Ramirez, MD
Internal Medicine Physician · Madison, WI
Oscar Alejandro Ramirez Ramirez, MD is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1871234799, issued on Apr 5, 2022. Check the license (Wisconsin 83384, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Oscar Alejandro Ramirez Ramirez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 83384 WI
Self-reported in NPPES; status is on the state search - Practice location
- UW Hospitals & Clinics 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-6400
- Enumerated
- Apr 5, 2022
- Record last updated
- Mar 15, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at UW Hospitals & Clinics 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oscar Alejandro Ramirez Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 83384Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
287 Medicare Part D claims for 54 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium16 claims
- Fluticasone Propionate12 claims
- Nitroglycerin11 claims
- Tamsulosin Hcl11 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.
Oscar Alejandro Ramirez Ramirez among 2,078 internal medicine physician records in Wisconsin
Oscar Alejandro Ramirez Ramirez, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2024 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
417 internal medicine physician records list a practice address in Madison
They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Madison → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sabina Agrawal, D.O.Madison, WI 537921659336089
- Madelyn Alvarez, MDMadison, WI 537921063831717
- Will Bringgold, MD,MSMadison, WI 537921881048940
- Kenneth Coggins, M.D.Madison, WI 537921124415021
- Thomas HolobynMadison, WI 537921891114542
- Peter Kleinschmidt, M.D.Madison, WI 537921295153583
- Kristina Little, M.D.Madison, WI 537921558724914
- David Meyers, MDMadison, WI 537921245208271
Common questions
What is Oscar Alejandro Ramirez Ramirez, MD's NPI number?
Oscar Alejandro Ramirez Ramirez, MD's National Provider Identifier (NPI) is 1871234799, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Alejandro Ramirez Ramirez, MD located?
The NPPES record lists a practice address at UW Hospitals & Clinics 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6400. Providers update this record themselves, so call before visiting.
How can I verify Oscar Alejandro Ramirez Ramirez, MD's license?
NPPES lists Wisconsin license number 83384, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oscar Alejandro Ramirez Ramirez, MD prescribe under Medicare Part D?
In 2024, Oscar Alejandro Ramirez Ramirez, MD had 287 Medicare Part D claims for 54 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.