Doctor profile · Federal record
Dr. Ryan McNamara, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chattanooga, TN
- NPI 1598878084
- Accepts Medicare
- MIPS 94.7 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2525 Dasales Avenue
Chattanooga, TN 374041161
(423) 495-2620
fax (423) 495-2625 - Mailing address
-
Po Box 116638
Atlanta, GA 303686638
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 20, 2010
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Tennessee #MD0000035210
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598878084. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,027
Distinct HCPCS
7
Medicare allowed
$110,350
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 417 | 251 | $113 | |
99239 |
Hospital discharge day management, more than 30 minutes | 228 | 223 | $108 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 174 | 96 | $75 | |
99497 |
Advance care planning, first 30 minutes | 94 | 94 | $72 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 67 | 66 | $164 | |
99291 |
Critical care, first 30-74 minutes | 35 | 32 | $202 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $76 |
In context: peer comparison
Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 7.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
634
Patients
323
Total drug cost
$6,732
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 79 | 32 | $1,305 |
| Torsemide | Generic | 78 | 37 | $954 |
| Losartan Potassium | Generic | 74 | 28 | $674 |
| Carvedilol | Generic | 71 | 25 | $637 |
| Atorvastatin Calcium | Generic | 66 | 33 | $741 |
| Prednisone | Generic | 38 | 35 | $123 |
| Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) | Brand | 35 | 0 | $710 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 31 | 15 | $401 |
| Spironolactone | Generic | 30 | 16 | $206 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 26 | 26 | $245 |
Hospital affiliations
Frequently asked questions
What is Dr. Ryan McNamara's medical specialty?
Dr. Ryan McNamara practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Ryan McNamara practice?
Dr. Ryan McNamara practices at 2525 Dasales Avenue, Chattanooga, TN 374041161. Office phone: 4234952620.
What is Dr. Ryan McNamara's NPI?
Dr. Ryan McNamara's National Provider Identifier (NPI) is 1598878084, issued by NPPES.
Does Dr. Ryan McNamara accept Medicare assignment?
Yes. Dr. Ryan McNamara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan McNamara commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.