John Alston Riddick, M.D.
Interventional Cardiology Physician · Nashville, TN
John Alston Riddick, M.D. is an interventional cardiology physician with a practice address in Nashville, Tennessee, and NPI 1417131715, issued on Dec 21, 2007. Check the license (Tennessee 37285, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Alston Riddick
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 37285 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2400 Patterson St, Nashville, TN 37203
- Phone
- (615) 515-1900
- Enumerated
- Dec 21, 2007
- Record last updated
- Feb 9, 2022
- Fax
- (615) 292-4633
- Medicaid IDs
- 1505355 TN
7100042790 KY - Medicare enrollment
- Enrolled (PECOS I20080613000036); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 215 in Tennessee → Look up another NPI →
Also registered at 2400 Patterson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Alston Riddick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 37285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,712 Medicare Part D claims for 318 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium222 claims
- Clopidogrel157 claims
- Carvedilol155 claims
- Eliquis154 claims
- Losartan Potassium110 claims
- Furosemide97 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $6,611.80
33 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Centennial Heart LLCDickson, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Alston Riddick among 215 interventional cardiology physician records in Tennessee
John Alston Riddick, M.D. is one of 215 interventional cardiology physician records with a practice address in Tennessee. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 37% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2001 · median 2001 among the 187 with a school on file
- Record last updated2022 · 48% 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 Tennessee 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 Tennessee
There are 215 interventional cardiology physician records in Tennessee.
All 215 in Tennessee → Every provider in Nashville → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Temujin Dinaram, M.D.Nashville, TN 372031508008053
- Andrew Goodman, M.D.Nashville, TN 372031275793283
- Samuel Horr, MDNashville, TN 372031417273061
- Brian Jefferson, MDNashville, TN 372031508830407
- Amit Keswani, MDNashville, TN 372031912166752
- Jimmy Kerrigan, MDNashville, TN 372051831410646
- Mark Koenig, M.D.Nashville, TN 372051770521502
- Michael Morse, M.D.Nashville, TN 372051922285337
Common questions
What is John Alston Riddick, M.D.'s NPI number?
John Alston Riddick, M.D.'s National Provider Identifier (NPI) is 1417131715, issued on Dec 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Alston Riddick, M.D. located?
The NPPES record lists a practice address at 2400 Patterson St, Nashville, TN, 37203. Phone: (615) 515-1900. Providers update this record themselves, so call before visiting.
How can I verify John Alston Riddick, M.D.'s license?
NPPES lists Tennessee license number 37285, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Alston Riddick, M.D. prescribe under Medicare Part D?
In 2024, John Alston Riddick, M.D. had 1,712 Medicare Part D claims for 318 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is John Alston Riddick, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.