Physician Profile
Unclaimed ProfileAbout RIDNER
Michael Lloyd Ridner, M.D. practises cardiovascular disease (cardiology) in Huntsville, AL. Michael is a 1982 graduate of University of Oklahoma College of Medicine. Michael is also listed as specialising in cardiovascular disease.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Ridner's specialty?
Dr. Ridner is a cardiovascular disease (cardiology) in Huntsville, AL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where can I find Dr. Ridner?
Dr. Ridner is listed at 930 FRANKLIN ST SE, Huntsville, AL 35801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ridner?
The number on file is (256) 539-4080. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ridner?
Dr. Ridner's National Provider Identifier is 1548231723. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Ridner's medical education?
Dr. Ridner attended University of Oklahoma College of Medicine, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ridner have?
Dr. Ridner has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ridner known for?
According to Medicare billing data, Dr. Ridner performs imaging including ct scan of blood vessels of chest with contrast and ct scan of blood vessels and grafts of heart with contrast; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ridner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ridner. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (256) 539-4080
- Email not available
Practice Locations
930 FRANKLIN ST SE
Huntsville, AL 35801
Procedures Most Often Billed to Medicare
3,390 services · 2,947 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
233 |
| Ct scan of blood vessels and grafts of heart with contrast | Imaging | 75574 |
213 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
187 |
| Ct scan of heart structure with contrast | Imaging | 75572 |
113 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress | Imaging | 78492 |
73 |
| Nuclear medicine study of heart muscle at rest and with stress and spect | Imaging | 78451 |
64 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
41 |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
16 |
| Ct scan of abdominal aorta and both leg arteries with contrast | Imaging | 75635 |
13 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
561 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other cardiovascular diseases in Huntsville 2
Same specialty, same city.
Trained at University of Oklahoma College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at University of Oklahoma College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan of blood vessels of chest with contrast 8
Providers in AL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.