Doctor profile · Federal record
Dr. Peter Keenan, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Los Alamitos, CA
- NPI 1699068601
- Accepts Medicare
- MIPS 86.3 / 100 · 2023
- 15 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3751 Katella Ave
Los Alamitos, CA 907203113
(562) 598-1311 - Mailing address
-
Los Alamitos Medical Center Emergency Department, 3751 Katella Ave
Los Alamitos, CA 90720
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- March 26, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- California #140040 · Texas #Q3901
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699068601. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
666
Distinct HCPCS
6
Medicare allowed
$86,308
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 280 | 267 | $184 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 212 | 203 | $9 | |
99291 |
Critical care, first 30-74 minutes | 111 | 111 | $226 | |
99284 |
Emergency department visit with moderate level of medical decision making | 38 | 38 | $127 | |
31500 |
Emergent insertion of breathing tube into windpipe using an endoscope | 14 | 14 | $147 | |
36556 |
Insertion of non-tunneled central venous tube for infusion (5 years or older) | 11 | 11 | $88 |
In context: peer comparison
Among 10 peers in Los Alamitos Emergency Medicine Physician, average services per provider: 84. This provider delivers 7.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
178
Patients
176
Total drug cost
$1,471
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 53 | 53 | $430 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 23 | 23 | $79 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 23 | 23 | $134 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 18 | 18 | $507 |
| Ibuprofen | Generic | 13 | 12 | $39 |
| Prednisone | Generic | 13 | 13 | $24 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 12 | $124 |
| Ondansetron Odt (Ondansetron) | Brand | 12 | 11 | $100 |
| Amlodipine Besylate | Generic | 11 | 11 | $33 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Keenan's medical specialty?
Dr. Peter Keenan practices Emergency Medicine Physician in Los Alamitos, CA.
Where does Dr. Peter Keenan practice?
Dr. Peter Keenan practices at 3751 Katella Ave, Los Alamitos, CA 907203113. Office phone: 5625981311.
What is Dr. Peter Keenan's NPI?
Dr. Peter Keenan's National Provider Identifier (NPI) is 1699068601, issued by NPPES.
Does Dr. Peter Keenan accept Medicare assignment?
Yes. Dr. Peter Keenan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Keenan 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.