Doctor profile · Federal record
Dr. Eugene Ryan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chattanooga, TN
- NPI 1609865088
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2205 McCallie Ave
Chattanooga, TN 374043230
(423) 698-2435
fax (423) 697-6110
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- February 10, 2022
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Tennessee #28488
- Medicaid
- TN #38053671
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609865088. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,551
Distinct HCPCS
10
Medicare allowed
$135,886
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 536 | 289 | $119 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 242 | 242 | $122 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 133 | 87 | $75 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 98 | 81 | $85 | |
96372 |
Injection of drug or substance under skin or into muscle | 89 | 38 | $13 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 77 | 20 | $0 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 59 | 45 | $113 | |
71046 |
X-ray of chest, 2 views | 58 | 55 | $21 | |
81003 |
Automated urinalysis test | 50 | 31 | $2 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 41 | 39 | $166 |
In context: peer comparison
Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$1,884
Transactions
21
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 15 | $1,740.18 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $66.46 | |
| Intuitive Surgical, INC. | 1 | $24.74 | |
| Pfizer INC. | 1 | $20.36 | |
| Esperion Therapeutics, INC. | 1 | $18.50 | |
| Novo Nordisk INC | 1 | $13.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,733
Patients
1,152
Total drug cost
$55,924
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 469 | 147 | $6,969 |
| Amlodipine Besylate | Generic | 454 | 137 | $3,606 |
| Lisinopril | Generic | 383 | 111 | $3,855 |
| Levothyroxine Sodium | Generic | 348 | 94 | $5,238 |
| Omeprazole | Generic | 304 | 99 | $5,360 |
| Rosuvastatin Calcium | Generic | 247 | 79 | $4,707 |
| Metformin Hcl | Generic | 216 | 64 | $2,173 |
| Montelukast Sodium | Generic | 212 | 73 | $3,645 |
| Losartan Potassium | Generic | 179 | 60 | $3,070 |
| Pravastatin Sodium | Generic | 174 | 50 | $3,265 |
Hospital affiliations
Frequently asked questions
What is Dr. Eugene Ryan's medical specialty?
Dr. Eugene Ryan practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Eugene Ryan practice?
Dr. Eugene Ryan practices at 2205 McCallie Ave, Chattanooga, TN 374043230. Office phone: 4236982435.
What is Dr. Eugene Ryan's NPI?
Dr. Eugene Ryan's National Provider Identifier (NPI) is 1609865088, issued by NPPES.
Does Dr. Eugene Ryan accept Medicare assignment?
Yes. Dr. Eugene Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eugene Ryan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.