Physician Profile
Unclaimed ProfileAbout CASTILLO
Listed in the NPI registry as a nurse practitioner, Raynard A Castillo practises in Fontana, CA. Raynard is also listed as specialising in nurse practitioner — psychiatric/mental health.
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
Areas of Expertise
Common questions
What is Dr. Castillo's specialty?
Dr. Castillo is a nurse practitioner in Fontana, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where can I find Dr. Castillo?
Dr. Castillo is listed at 16465 SIERRA LAKES PKWY, Fontana, CA 92336. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Castillo?
The number on file is (909) 244-9593. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Castillo?
Dr. Castillo's National Provider Identifier is 1437586047. 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 Dr. Castillo's medical education?
Dr. Castillo attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Castillo have?
Dr. Castillo has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Castillo known for?
According to Medicare billing data, Dr. Castillo the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Castillo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Castillo. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (909) 244-9593
- Email not available
Practice Locations
16465 SIERRA LAKES PKWY
Fontana, CA 92336
Procedures Most Often Billed to Medicare
419 services · 76 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
309 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
85 |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 23 related providers in 3 groups
Other nurse practitioners in Fontana 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 7
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.