Internal Medicine · Chattanooga, TN
NPI
1609865088
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
2205 McCallie Ave
Chattanooga, TN, 37404
Phone (423) 698-2435
Groups this clinician bills Medicare through
Medicare paid, 2024
$74K
4,220 services
Medicare patients, 2024
445
Average age 76
Drug cost, 2024
$662K
7,681 prescriptions
Company payments, 2025
$116
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Eugene H Ryan was code 99214 (office e&m - established), 313 times for 240 patients. In total Eugene H Ryan billed 4,220 services in 41 codes, and Medicare paid $74K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-02-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 313 | 240 | $66.74 | $21K |
| 99232 Hospital E&M - Subsequent | Facility | 170 | 94 | $58.17 | $9,890 |
| 99233 Hospital E&M - Subsequent | Facility | 138 | 85 | $86.58 | $12K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 102 | 102 | $119.72 | $12K |
| 99239 Hospital Discharge Management | Facility | 63 | 63 | $83.37 | $5,252 |
| 99213 Office E&M - Established | Office | 57 | 45 | $51.97 | $2,962 |
| 71046 X-ray - Chest | Office | 45 | 42 | $11.03 | $496 |
| 96372 Injection Administration | Office | 39 | 20 | $6.72 | $262 |
| 99223 Hospital E&M - Initial | Facility | 31 | 31 | $120.19 | $3,726 |
| 99215 Office E&M - Established | Office | 27 | 26 | $112.31 | $3,032 |
| 81003 Clinical Chemistry | Office | 25 | 17 | $2.20 | $55 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 21 | 21 | $11.12 | $234 |
| 93000 Electrocardiogram | Office | 15 | 15 | $8.30 | $124 |
By year: 2022 $123K for 2,906 services; 2023 $111K for 7,934 services; 2024 $74K for 4,220 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81003 Clinical Chemistry | 25 | 17 | $2.20 | $55 |
Medicare prescription drug claims, 2024
In 2024, the drug Eugene H Ryan prescribed most often to Medicare patients was Amlodipine Besylate, with 407 prescriptions and refills. In total Eugene H Ryan wrote 7,681 Medicare prescriptions that cost $662K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Amlodipine Besylate Generic | 407 | 1,138 | 120 | $2,193 |
| Atorvastatin Calcium Generic | 404 | 1,183 | 136 | $5,020 |
| Lisinopril Generic | 309 | 930 | 105 | $1,659 |
| Levothyroxine Sodium Generic | 306 | 876 | 88 | $2,390 |
| Omeprazole Generic | 294 | 864 | 92 | $4,069 |
| Rosuvastatin Calcium Generic | 221 | 642 | 70 | $2,855 |
| Metformin Hcl Generic | 185 | 533 | 51 | $1,310 |
| Montelukast Sodium Generic | 177 | 514 | 64 | $2,592 |
| Losartan Potassium Generic | 147 | 427 | 51 | $1,889 |
| Potassium Chloride Generic | 140 | 392 | 53 | $2,892 |
| Metoprolol Succinate Generic | 139 | 377 | 50 | $2,509 |
| Tamsulosin Hcl Generic | 137 | 404 | 51 | $2,079 |
| Meloxicam Generic | 129 | 374 | 46 | $856 |
| Pravastatin Sodium Generic | 128 | 360 | 40 | $2,089 |
| Hydrochlorothiazide Generic | 118 | 351 | 41 | $261 |
Brand drugs: 775 claims; generic drugs: 6,847 claims; opioid claims: 59.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Eugene H Ryan $116 ($116 in general payments such as food, travel and fees) from 7 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $116.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 1 | $116 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.