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Edit this profileWhere to find Mark C. Johnson, PA-C
- La Jolla location main office
9300 Campus Point Dr, La Jolla, CA 92037 - Encinitas location
1725 Gentle Breeze Ln, Encinitas, CA 92024
About Mark Johnson
Mark C. Johnson, PA-C is a physician assistant based in La Jolla, CA. According to Medicare claims data, Mark cared for 139 Medicare patients across 142 services. The services billed most often include replacement of thigh bone and hip joint with prosthesis, replacement of knee joint, both sides of knee, and computer-assisted surgery for muscle and bone procedure. The provider's National Provider Identifier (NPI) is 1578658746.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (800) 926-8273
- Email not available
Practice Locations
9300 CAMPUS POINT DR
La Jolla, CA 92037
1725 Gentle Breeze Ln
Encinitas, CA 92024
Procedures Most Often Billed to Medicare
142 services · 139 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
57 | More often than most peers in Physician Assistant |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
46 | More often than most peers in Physician Assistant |
| Computer-assisted surgery for muscle and bone procedure | Procedure | 20985 |
39 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other physician assistants in La Jolla 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of thigh bone and hip joint with prosthesis 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Mark C. Johnson's specialty?
Mark C. Johnson is a physician assistant in La Jolla, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mark C. Johnson?
Mark C. Johnson is listed at 9300 Campus Point Dr, La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark C. Johnson?
The number on file is (800) 926-8273. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark C. Johnson's NPI number?
Mark C. Johnson's National Provider Identifier is 1578658746. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark C. Johnson's education?
Mark C. Johnson attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark C. Johnson been practicing?
Mark C. Johnson has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Mark C. Johnson known for?
According to Medicare billing data, Mark C. Johnson performs procedures including replacement of thigh bone and hip joint with prosthesis, replacement of knee joint, both sides of knee and computer-assisted surgery for muscle and bone procedure. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark C. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark C. Johnson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.