Doctor profile · Federal record
Dr. Catherine Loomis, PA-C
Physician Assistant · Ladera Ranch, CA
- NPI 1548870249
- Accepts Medicare
- 6 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
27522 Antonio Pkwy Ste P3
Ladera Ranch, CA 926942166
(949) 267-3141 - Mailing address
-
328 E Jacaranda Ave
Orange, CA 928675726
Credentials & registration
- NPI registered
- August 2020 — 6 yrs on file
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA57943
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548870249. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
152
Distinct HCPCS
6
Medicare allowed
$13,013
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 50 | 50 | $119 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 28 | 28 | $50 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $154 | |
81003 |
Automated urinalysis test | 18 | 18 | $2 | |
71046 |
X-ray of chest, 2 views | 17 | 17 | $11 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $105 |
In context: peer comparison
Among 2 peers in Ladera Ranch Physician Assistant, average services per provider: 50. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
182
Patients
162
Total drug cost
$2,106
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 32 | 32 | $242 |
| Azithromycin | Generic | 28 | 27 | $160 |
| Doxycycline Hyclate | Generic | 27 | 27 | $339 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 23 | 17 | $727 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 19 | 17 | $300 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 17 | 17 | $54 |
| Fluticasone Propionate | Generic | 13 | 13 | $193 |
| Cephalexin | Generic | 12 | 12 | $69 |
| Prednisone | Generic | 11 | 0 | $23 |
Frequently asked questions
What is Dr. Catherine Loomis's medical specialty?
Dr. Catherine Loomis practices Physician Assistant in Ladera Ranch, CA.
Where does Dr. Catherine Loomis practice?
Dr. Catherine Loomis practices at 27522 Antonio Pkwy Ste P3, Ladera Ranch, CA 926942166. Office phone: 9492673141.
What is Dr. Catherine Loomis's NPI?
Dr. Catherine Loomis's National Provider Identifier (NPI) is 1548870249, issued by NPPES.
Does Dr. Catherine Loomis accept Medicare assignment?
Yes. Dr. Catherine Loomis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Loomis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.