Provider Profile
Olivia Castellanos
Unclaimed ProfileAbout Olivia Castellanos
Olivia Castellanos is a nurse practitioner practicing in Rockford, IL. Olivia is also listed as specializing in nurse practitioner — family. Medicare claims data shows Olivia provided 1,556 services to 693 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes. This provider record is associated with NPI 1821551599.
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
- (815) 988-8500
- Email not available
Practice Locations
2222 E STATE ST STE 209
Rockford, IL 61104
Procedures Most Often Billed to Medicare
1,556 services · 693 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
363 | More often than most peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
341 | More often than most peers in Nurse Practitioner |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
301 | More than most peers in Nurse Practitioner |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
187 | More than most peers in Nurse Practitioner |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
142 | As often as other peers in Nurse Practitioner |
| Advance care planning, first 30 minutes | Office visit | 99497 |
126 | More often than most peers in Nurse Practitioner |
| Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif | Billing code | G0317 |
51 | As often as other peers in Nurse Practitioner |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
45 | As often as other peers in Nurse Practitioner |
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 nurse practitioners at this location 8
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 Rockford 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.
Common questions
What does Olivia Castellanos specialize in?
Olivia Castellanos is a nurse practitioner in Rockford, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Olivia Castellanos located?
Olivia Castellanos is listed at 2222 E State St Ste 209, Rockford, IL 61104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Olivia Castellanos's phone number?
The number on file is (815) 988-8500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Olivia Castellanos?
Olivia Castellanos's National Provider Identifier is 1821551599. 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 Olivia Castellanos train?
Olivia Castellanos attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Olivia Castellanos have?
Olivia Castellanos has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Olivia Castellanos do most often?
According to Medicare billing data, Olivia Castellanos 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 Olivia Castellanos's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Olivia Castellanos. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.