Doctor profile · Federal record
Dr. Les Mershon, PA-C
Medical Physician Assistant (CMS: Physician Assistant) · La Mesa, CA
- NPI 1265723985
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6136 Lake Murray Blvd
La Mesa, CA 919422502
(619) 303-5500
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- January 13, 2020
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Arizona #4845
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265723985. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,770
Distinct HCPCS
10
Medicare allowed
$120,984
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 413 | 360 | $105 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 281 | 281 | $137 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 173 | 86 | $16 | |
71046 |
X-ray of chest, 2 views | 167 | 163 | $28 | |
U0002 |
2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | 164 | 162 | $50 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 129 | 120 | $74 | |
81003 |
Automated urinalysis test | 128 | 118 | $2 | |
96372 |
Injection of drug or substance under skin or into muscle | 47 | 35 | $12 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 47 | 47 | $92 | |
J1885 |
Injection, ketorolac tromethamine, per 15 mg | 41 | 17 | $1 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 74. This provider delivers 24× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
733
Patients
698
Total drug cost
$7,646
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 144 | 139 | $1,991 |
| Prednisone | Generic | 135 | 129 | $187 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 134 | 130 | $1,365 |
| Cephalexin | Generic | 94 | 90 | $1,894 |
| Azithromycin | Generic | 81 | 80 | $341 |
| Tobramycin | Generic | 35 | 34 | $240 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 31 | 31 | $334 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 29 | 28 | $846 |
| Ibuprofen | Generic | 25 | 23 | $58 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 14 | 14 | $233 |
Frequently asked questions
What is Dr. Les Mershon's medical specialty?
Dr. Les Mershon practices Medical Physician Assistant in La Mesa, CA.
Where does Dr. Les Mershon practice?
Dr. Les Mershon practices at 6136 Lake Murray Blvd, La Mesa, CA 919422502. Office phone: 6193035500.
What is Dr. Les Mershon's NPI?
Dr. Les Mershon's National Provider Identifier (NPI) is 1265723985, issued by NPPES.
Does Dr. Les Mershon accept Medicare assignment?
Yes. Dr. Les Mershon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Les Mershon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804). Source: CMS Medicare Physician & Other Practitioners file.