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Edit this profileAt a glance
- 22431 Antonio Pkwy # B160-613, Rancho Santa Margarita, CA 92688
About Jonathan Chap
Jonathan Chap is a physician assistant practicing in Rancho Santa Margarita, CA. Jonathan is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Jonathan cared for 25 Medicare patients across 25 services. The services billed most often include harvest of vein using an endoscope and coronary artery bypass using artery graft, 1 graft. This provider record is associated with NPI 1306510888.
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
- (855) 727-2251
- Email not available
Practice Locations
22431 ANTONIO PKWY # B160-613
Rancho Santa Margarita, CA 92688
Procedures Most Often Billed to Medicare
25 services · 25 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Harvest of vein using an endoscope | Procedure | 33508 |
13 | Less often than most peers in Physician Assistant |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
12 | Less 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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 27 related providers in 4 groups
Other physician assistants in Rancho Santa Margarita 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Harvest of vein using an endoscope 6
Providers in CA who bill this service to Medicare most often.
Common questions
What does Jonathan Chap specialize in?
Jonathan Chap is a physician assistant in Rancho Santa Margarita, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Jonathan Chap located?
Jonathan Chap is listed at 22431 Antonio Pkwy # B160-613, Rancho Santa Margarita, CA 92688. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jonathan Chap's phone number?
The number on file is (855) 727-2251. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Jonathan Chap's NPI number?
Jonathan Chap's National Provider Identifier is 1306510888. 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
Where did Jonathan Chap train?
Jonathan Chap attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Jonathan Chap been practicing?
Jonathan Chap has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Jonathan Chap do most often?
According to Medicare billing data, Jonathan Chap performs procedures including harvest of vein using an endoscope and coronary artery bypass using artery graft, 1 graft. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jonathan Chap confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jonathan Chap. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.