Provider Profile
John A. Dorosin, PA-C
Unclaimed ProfileAbout John Dorosin
John A. Dorosin, PA-C is a physician assistant based in Santa Cruz, CA. John is a 2007 graduate of University of Washington School of Medicine. According to Medicare claims data, John cared for 780 Medicare patients across 10,929 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, aspiration and/or injection of fluid from large joint, and injection, triamcinolone acetonide, not otherwise specified, 10 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (831) 475-1100
- Email not available
Practice Locations
1662 DOMINICAN WAY
Santa Cruz, CA 95065
Procedures Most Often Billed to Medicare
10,929 services · 780 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
450 | More than most peers in Physician Assistant |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
9,720 | More often than most peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
234 | As often as other peers in Physician Assistant |
| Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | Drug given | J7324 |
113 | More often than most peers in Physician Assistant |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
73 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
208 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
76 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
43 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 32 related providers in 4 groups
Other physician assistants in Santa Cruz 8
Same specialty, same city.
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at University of Washington School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is John A. Dorosin's specialty?
John A. Dorosin is a physician assistant in Santa Cruz, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find John A. Dorosin?
John A. Dorosin is listed at 1662 Dominican Way, Santa Cruz, CA 95065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John A. Dorosin?
The number on file is (831) 475-1100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John A. Dorosin's NPI number?
John A. Dorosin's National Provider Identifier is 1114107018. 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 John A. Dorosin's education?
John A. Dorosin attended University of Washington School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How long has John A. Dorosin been practicing?
John A. Dorosin has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What is John A. Dorosin known for?
According to Medicare billing data, John A. Dorosin performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John A. Dorosin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John A. Dorosin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.