Michael Lloyd Ridner, M.D.
Cardiovascular Disease Physician · Huntsville, AL
Michael Lloyd Ridner, M.D. is a cardiovascular disease physician with a practice address in Huntsville, Alabama, and NPI 1548231723, issued on Jan 27, 2006. Check the license (Alabama 14612, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Lloyd Ridner
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 14612 AL
Self-reported in NPPES; status is on the state search - Practice location
- 930 Franklin St SE, Huntsville, AL 35801
- Phone
- (256) 539-4080
- Enumerated
- Jan 27, 2006
- Record last updated
- Sep 30, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (256) 539-4099
- Medicaid IDs
- 111661 AL
111667 AL
111659 AL
111663 AL - Medicare enrollment
- Enrolled (PECOS I20090820000498); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 311 in Alabama → Look up another NPI →
Also registered at 930 Franklin St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rashida Abbas, MDCardiovascular Disease Physician1811044605
- Laith Ali, MDInterventional Cardiology Physician1659866515
- Jeffery Allison, M.D.Clinical Cardiac Electrophysiology Physician1962513705
- Lisa Armstrong, CRNPAcute Care Nurse Practitioner1497985766
- Margaret Baird, CRNPAcute Care Nurse Practitioner1780648758
- Angela Bates, CRNPAcute Care Nurse Practitioner1740244227
Verify Michael Lloyd Ridner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 14612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,282 Medicare Part D claims for 580 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Eliquis473 claims
- Rosuvastatin Calcium422 claims
- Atorvastatin Calcium258 claims
- Valsartan240 claims
- Carvedilol236 claims
- Metoprolol Succinate236 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): 84.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $584.56
28 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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
- HH Heart Center, LLCHuntsville, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Lloyd Ridner among 311 cardiovascular disease physician records in Alabama
Michael Lloyd Ridner, M.D. is one of 311 cardiovascular disease physician records with a practice address in Alabama. 86% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 36% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1982 · median 1995 among the 221 with a school on file
- Record last updated2009 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Alabama
There are 311 cardiovascular disease physician records in Alabama.
All 311 in Alabama → Every provider in Huntsville → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Charles Burns, M.D.Huntsville, AL 358011700856531
- Pascal Caruso, M.D.Huntsville, AL 358011316917156
- Gordon Cash, M.D.Huntsville, AL 358011306816145
- Shi-Chi Cheng, M.D.Huntsville, AL 358011164492427
- Carl Gessler, M.D.Huntsville, AL 358011780654418
- Sean Groark, M.D.Huntsville, AL 358011235109737
- Walter Haught, M.D.Huntsville, AL 358011700856200
- Vernon Hunter, M.D.Huntsville, AL 358011740251966
Common questions
What is Michael Lloyd Ridner, M.D.'s NPI number?
Michael Lloyd Ridner, M.D.'s National Provider Identifier (NPI) is 1548231723, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Lloyd Ridner, M.D. located?
The NPPES record lists a practice address at 930 Franklin St SE, Huntsville, AL, 35801. Phone: (256) 539-4080. Providers update this record themselves, so call before visiting.
How can I verify Michael Lloyd Ridner, M.D.'s license?
NPPES lists Alabama license number 14612, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Lloyd Ridner, M.D. prescribe under Medicare Part D?
In 2024, Michael Lloyd Ridner, M.D. had 5,282 Medicare Part D claims for 580 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Michael Lloyd Ridner, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.3 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.