Doctor profile · Federal record
Dr. Katherine Ryan, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Marrero, LA
- NPI 1518155829
- Accepts Medicare
- 19 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1101 Medical Center Blvd., ER
Marrero, LA 70072
(504) 349-1533
fax (504) 349-1530
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- December 29, 2016
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Louisiana #202559
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518155829. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
220
Distinct HCPCS
4
Medicare allowed
$24,500
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 108 | 105 | $171 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 59 | 58 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 40 | 40 | $117 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $69 |
In context: peer comparison
Among 10 peers in Marrero Emergency Medicine Physician, average services per provider: 58. This provider delivers 3.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
39
Total drug cost
$376
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 28 | 28 | $146 |
| Diclofenac Sodium | Generic | 12 | 11 | $230 |
Frequently asked questions
What is Dr. Katherine Ryan's medical specialty?
Dr. Katherine Ryan practices Emergency Medicine Physician in Marrero, LA.
Where does Dr. Katherine Ryan practice?
Dr. Katherine Ryan practices at 1101 Medical Center Blvd., Marrero, LA 70072. Office phone: 5043491533.
What is Dr. Katherine Ryan's NPI?
Dr. Katherine Ryan's National Provider Identifier (NPI) is 1518155829, issued by NPPES.
Does Dr. Katherine Ryan accept Medicare assignment?
Yes. Dr. Katherine Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Ryan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.