Doctor profile · Federal record
Dr. Katherine Stiene, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Los Angeles, CA
- NPI 1992201420
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2051 Marengo St
Los Angeles, CA 900331352
(323) 409-1000 - Mailing address
-
1200 N State St # 1011
Los Angeles, CA 900331083
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- September 9, 2019
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #165023
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992201420. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
902
Distinct HCPCS
6
Medicare allowed
$109,150
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 289 | 287 | $173 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 256 | 242 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 147 | 141 | $119 | |
99291 |
Critical care, first 30-74 minutes | 112 | 111 | $213 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 82 | 82 | $175 | |
99238 |
Hospital discharge day management, 30 minutes or less | 16 | 16 | $82 |
In context: peer comparison
Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
29
Patients
29
Total drug cost
$218
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 18 | 18 | $173 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $44 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Stiene's medical specialty?
Dr. Katherine Stiene practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Katherine Stiene practice?
Dr. Katherine Stiene practices at 2051 Marengo St, Los Angeles, CA 900331352. Office phone: 3234091000.
What is Dr. Katherine Stiene's NPI?
Dr. Katherine Stiene's National Provider Identifier (NPI) is 1992201420, issued by NPPES.
Does Dr. Katherine Stiene accept Medicare assignment?
Yes. Dr. Katherine Stiene accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Stiene 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.