NPPES file of Aug 9, 2026

Santiago C. Ramirez, MD

Interventional Cardiology Physician · Tucson, AZ

Santiago C. Ramirez, MD is an interventional cardiology physician with a practice address in Tucson, Arizona, and NPI 1023096203, issued on Jan 6, 2006. Check the license (Arizona 18477, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023096203
Name
Santiago C. Ramirez
Credential
MD
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
18477 AZ
Self-reported in NPPES; status is on the state search
Practice location
3925 E Fort Lowell RD Ste 105, Tucson, AZ 85712
Phone
(520) 229-0085
Enumerated
Jan 6, 2006
Record last updated
Sep 3, 2025
Fax
(520) 229-0086
Medicaid ID
284430 AZ
Medicare enrollment
Enrolled (PECOS I20061229000167); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3925 E Fort Lowell RD Ste 105

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Lapan, MDCardiovascular Disease Physician1548248248
  2. Juan Siordia, M.D.Interventional Cardiology Physician1841679370

Verify Santiago C. Ramirez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 18477
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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2.4 times the Medicare Part D claims of the average interventional cardiology physician in 2024

7,710 Medicare Part D claims for 1,044 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Santiago Ramirez7,710
  2. Specialty average3,179

Most prescribed

  1. Metoprolol Succinate694 claims
  2. Losartan Potassium674 claims
  3. Atorvastatin Calcium468 claims
  4. Eliquis426 claims
  5. Carvedilol412 claims
  6. Lisinopril356 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): 47.3 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.

  1. Qualityout of 100 · 30% of the final score57.9
  2. Costout of 100 · 30%80.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $9,159.80

101 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Santiago Ramirez$9,159.80
  2. Specialty average$7,062.29

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Tucson Medical CenterTucson, AZ · Acute Care Hospitals2 of 5 stars
  2. Santiago C Ramirez MD PLLCTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Santiago C. Ramirez among 230 interventional cardiology physician records in Arizona

Santiago C. Ramirez, MD is one of 230 interventional cardiology physician records with a practice address in Arizona. 93% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 55% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated1986 · median 2003 among the 199 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in Arizona

There are 230 interventional cardiology physician records in Arizona.

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Neil Gheewala, M.D.Tucson, AZ 857121952562647
  2. Lee Goldberg, M.D.Tucson, AZ 857121609895218
  3. Mazen Shaheen, MDTucson, AZ 857121346469657
  4. Juan Siordia, M.D.Tucson, AZ 857121841679370
  5. Vijay Doraiswamy, MD, MBATucson, AZ 857111851622112
  6. Joseph Chambers, M.D.Tucson, AZ 857101578533238
  7. Rajendrakumar Patel, MDTucson, AZ 857101982780995
  8. Brenda Peart, M.D.Tucson, AZ 857101700882651

Common questions

What is Santiago C. Ramirez, MD's NPI number?

Santiago C. Ramirez, MD's National Provider Identifier (NPI) is 1023096203, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Santiago C. Ramirez, MD located?

The NPPES record lists a practice address at 3925 E Fort Lowell RD Ste 105, Tucson, AZ, 85712. Phone: (520) 229-0085. Providers update this record themselves, so call before visiting.

How can I verify Santiago C. Ramirez, MD's license?

NPPES lists Arizona license number 18477, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Santiago C. Ramirez, MD prescribe under Medicare Part D?

In 2024, Santiago C. Ramirez, MD had 7,710 Medicare Part D claims for 1,044 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.

What is Santiago C. Ramirez, MD's MIPS final score?

The 2023 MIPS final score is 47.3 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.