Doctor profile · Federal record
Dr. Mark Johnson, PA-C
Physician Assistant · Personal Emergency Response Attendant · La Jolla, CA
- NPI 1578658746
- Accepts Medicare
- 27 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
9300 Campus Point Dr
La Jolla, CA 920371300
(800) 926-8273 - Additional location
-
1725 Gentle Breeze Ln
Encinitas, CA 920241968
(203) 257-9951 - Mailing address
-
File 57326
Los Angeles, CA 900747326
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- February 4, 2025
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State licenses (2)
- California #PA21728 · Connecticut #000901
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578658746. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
258
Distinct HCPCS
3
Medicare allowed
$34,137
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
27130 |
Replacement of thigh bone and hip joint with prosthesis | 107 | 102 | $182 | |
20985 |
Computer-assisted surgery for muscle and bone procedure | 79 | 75 | $21 | |
27447 |
Replacement of knee joint, both sides of knee | 72 | 68 | $181 |
In context: peer comparison
Among 30 peers in La Jolla Physician Assistant, average services per provider: 886. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$153
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medical Device Business Services, INC. | 1 | $137.01 | |
| Teva Pharmaceuticals USA, INC. | 1 | $15.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
11
Total drug cost
$165
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $165 |
Frequently asked questions
What is Dr. Mark Johnson's medical specialty?
Dr. Mark Johnson practices Physician Assistant in La Jolla, CA.
Where does Dr. Mark Johnson practice?
Dr. Mark Johnson practices at 9300 Campus Point Dr, La Jolla, CA 920371300. Office phone: 8009268273.
What is Dr. Mark Johnson's NPI?
Dr. Mark Johnson's National Provider Identifier (NPI) is 1578658746, issued by NPPES.
Does Dr. Mark Johnson accept Medicare assignment?
Yes. Dr. Mark Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Johnson commonly perform?
Top Medicare-reported procedures in 2023: Replacement of thigh bone and hip joint with prosthesis (HCPCS 27130); Computer-assisted surgery for muscle and bone procedure (HCPCS 20985); Replacement of knee joint, both sides of knee (HCPCS 27447). Source: CMS Medicare Physician & Other Practitioners file.