Eloy A. Ruiz-Calderon, M.D.
Anesthesiology Physician · Louisville, KY
Eloy A. Ruiz-Calderon, M.D. is an anesthesiology physician with a practice address in Louisville, Kentucky, and NPI 1184783292, issued on Dec 6, 2006. Check the license (Kentucky 37976, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Eloy A. Ruiz-Calderon
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 37976 KY
036163294 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Kresge Way, Louisville, KY 40207
- Phone
- (502) 473-2132
- Enumerated
- Dec 6, 2006
- Record last updated
- Mar 3, 2023
- Fax
- (502) 459-0923
- Medicaid ID
- 200448040A IN
- Medicare enrollment
- Enrolled (PECOS I20230317001066); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 635 in Kentucky → Look up another NPI →
Also registered at 4000 Kresge Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmet Akaydin, M.D.Anesthesiology Physician1306842349
- Danny Alexander, R.PH.Pharmacist1790234201
- Stephen Anvar, MDDiagnostic Radiology Physician1609814623
- Savannah Babu, APRN-CRNACertified Registered Nurse Anesthetist1164340212
- Sherry Baker-Barrineau, CRNACertified Registered Nurse Anesthetist1477799575
- David Biddle, MDEmergency Medicine Physician1538263017
Verify Eloy A. Ruiz-Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 37976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- North American Partners IN Anesthesia Illinois LLCO Fallon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eloy A. Ruiz-Calderon among 635 anesthesiology physician records in Kentucky
Eloy A. Ruiz-Calderon, M.D. is one of 635 anesthesiology physician records with a practice address in Kentucky. 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 22% of them.
- NPI issued2006 · 22% of these records are older, 46% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1990 · median 2005 among the 408 with a school on file
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Kentucky
There are 635 anesthesiology physician records in Kentucky.
All 635 in Kentucky → Every provider in Louisville → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Ahmet Akaydin, M.D.Louisville, KY 402071306842349
- Charles Brohm, MDLouisville, KY 402071568462331
- Melvin Bush, MDLouisville, KY 402071649270422
- Cheryl Cowens, MDLouisville, KY 402071598765380
- John Cowley, MDLouisville, KY 402071154321958
- John Haas, MDLouisville, KY 402071336131572
- Christopher Hellman, MDLouisville, KY 402071033102033
- David Hemmer, MDLouisville, KY 402071356334304
Common questions
What is Eloy A. Ruiz-Calderon, M.D.'s NPI number?
Eloy A. Ruiz-Calderon, M.D.'s National Provider Identifier (NPI) is 1184783292, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eloy A. Ruiz-Calderon, M.D. located?
The NPPES record lists a practice address at 4000 Kresge Way, Louisville, KY, 40207. Phone: (502) 473-2132. Providers update this record themselves, so call before visiting.
How can I verify Eloy A. Ruiz-Calderon, M.D.'s license?
NPPES lists Kentucky license number 37976, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Eloy A. Ruiz-Calderon, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. 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.