Physician Profile
Sean J. Wollaston, M.D. is a specialist based in North Hollywood, CA. Sean is a 1996 graduate of New York Medical College. Medicare claims data shows Sean provided 299,439 services to 2,045 patients. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, tocilizumab, 1 mg, and injection, romosozumab-aqqg, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
12660 RIVERSIDE DR SUITE 200
North Hollywood, CA 91607
299,439 services · 2,045 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
794 | More often than most peers in Specialist |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
132 | As often as other peers in Specialist |
| Aspiration and/or injection of fluid from small joint using ultrasound guidance | Procedure | 20604 |
39 | Too few peers to compare |
| Injection into tendon or ligament | Procedure | 20550 |
26 | As often as other peers in Specialist |
| X-ray of hand, 2 views | Imaging | 73120 |
37 | Too few peers to compare |
| X-ray of knee, 1-2 views | Imaging | 73560 |
34 | Less often than most peers in Specialist |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
26 | As often as other peers in Specialist |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
1,221 | More than most peers in Specialist |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
320 | More often than most peers in Specialist |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
90 | As often as other peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Sean J. Wollaston is a specialist in North Hollywood, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Sean J. Wollaston is listed at 12660 Riverside Dr Suite 200, North Hollywood, CA 91607. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (818) 980-7010. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sean J. Wollaston's National Provider Identifier is 1316921075. 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
Sean J. Wollaston attended New York Medical College, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Sean J. Wollaston has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sean J. Wollaston performs procedures including insertion of needle into vein for collection of blood sample, aspiration and/or injection of fluid large joint using ultrasound guidance and aspiration and/or injection of fluid from small joint using ultrasound guidance; reads or performs imaging such as x-ray of hand, 2 views and x-ray of knee, 1-2 views; provides treatments such as administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Sean J. Wollaston. 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.