Physician Profile
Unclaimed ProfileAbout DRINNON
William D Drinnon, MD practices internal medicine in Chattanooga, TN. William is a 1989 graduate of University of Tennessee, Hsc, College of Medicine. According to Medicare claims data, William cared for 3,265 Medicare patients across 5,576 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (423) 648-8005
- Email not available
Practice Locations
3370 JENKINS ROAD
Chattanooga, TN 37421
Procedures Most Often Billed to Medicare
5,576 services · 3,265 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,036 |
| X-ray of chest, 2 views | Imaging | 71046 |
141 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
137 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
747 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
603 |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
537 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
306 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
256 |
| Urinalysis, manual test | Lab test | 81002 |
225 |
| Magnesium level | Lab test | 83735 |
208 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Chattanooga 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Tennessee, Hsc, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Tennessee, Hsc, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TN who bill this service to Medicare most often.
Common questions
What does Dr. Drinnon specialize in?
Dr. Drinnon is an internal medicine in Chattanooga, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Drinnon located?
Dr. Drinnon is listed at 3370 JENKINS ROAD, Chattanooga, TN 37421. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Drinnon's phone number?
The number on file is (423) 648-8005. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Drinnon's NPI number?
Dr. Drinnon's National Provider Identifier is 1831174168. 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
Where did Dr. Drinnon go to medical school?
Dr. Drinnon attended University of Tennessee, Hsc, College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Drinnon been practicing?
Dr. Drinnon has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Drinnon do most often?
According to Medicare billing data, Dr. Drinnon performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Drinnon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Drinnon. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.