Provider Profile
Nicole Y. Castillo
Unclaimed ProfileAbout Nicole Castillo
Listed in the NPI registry as a physician assistant, Nicole Y. Castillo practices in Pomona, CA. Medicare claims data shows Nicole provided 10,781 services to 597 patients. The services billed most often include derm-maxx, per square centimeter, restorigin, per square centimeter, and removal of skin and tissue, each additional 20.0 sq cm or less.
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.
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
- (909) 623-6166
- Email not available
Practice Locations
309 E 2ND ST
Pomona, CA 91766
Procedures Most Often Billed to Medicare
10,781 services · 597 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
607 | More than most peers in Physician Assistant |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
474 | More than most peers in Physician Assistant |
| Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less | Procedure | 15271 |
240 | More often than most peers in Physician Assistant |
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
213 | More than most peers in Physician Assistant |
| Application of skin substitute graft to wound of trunk, arms, or legs, each additional 25.0 sq cm of wound 100.0 sq cm or less | Procedure | 15272 |
170 | More often than most peers in Physician Assistant |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
125 | More than most peers in Physician Assistant |
| Removal of inflamed or infected skin, up to 10% of body surface | Procedure | 11000 |
104 | Too few peers to compare |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
26 | As often as other peers in Physician Assistant |
| Derm-maxx, per square centimeter | Billing code | Q4238 |
5,980 | Too few peers to compare |
| Restorigin, per square centimeter | Billing code | Q4191 |
2,094 | Too few peers to compare |
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 4
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 — 28 related providers in 4 groups
Other physician assistants in Pomona 4
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 Removal of skin and tissue, each additional 20.0 sq cm or less 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Nicole Y. Castillo?
Nicole Y. Castillo is a physician assistant in Pomona, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Nicole Y. Castillo's address?
Nicole Y. Castillo is listed at 309 E 2Nd St, Pomona, CA 91766. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Nicole Y. Castillo?
The number on file is (909) 623-6166. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Nicole Y. Castillo?
Nicole Y. Castillo's National Provider Identifier is 1245934967. 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 Nicole Y. Castillo train?
Nicole Y. Castillo attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nicole Y. Castillo have?
Nicole Y. Castillo has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Nicole Y. Castillo perform?
According to Medicare billing data, Nicole Y. Castillo performs procedures including removal of skin and tissue, each additional 20.0 sq cm or less, removal of skin and tissue, 20.0 sq cm or less and application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less; provides treatments such as ultrasound study of arm and leg arteries, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nicole Y. Castillo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nicole Y. Castillo. 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.