Rolando Castillo, N.P.
NPI 1528581519 · Family Nurse Practitioner · Monterey Park, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rolando Castillo, N.P. is a Family Nurse Practitioner provider in Monterey Park, CA (NPI 1528581519).
Provider details
- NPI number
- 1528581519
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95006970 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
94 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 71 | $104 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 23 | $150 |
Typical Medicare-allowed amounts for these services range $104–$150 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 43 | 43 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | 34 |
| Azithromycin | 35 | 35 |
| Prednisone | 32 | 30 |
| Diclofenac Sodium | 24 | 21 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-07-21
- Last updated
- 2024-11-15
- Certified
- 2024-11-15
Frequently asked questions
- What is Rolando Castillo's NPI number?
- Rolando Castillo's National Provider Identifier (NPI) is 1528581519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rolando Castillo's specialty?
- Rolando Castillo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rolando Castillo located?
- Rolando Castillo's practice location on file with NPPES is 900 S Atlantic Blvd, Monterey Park, CA 91754-4716.
- What is Rolando Castillo's phone number?
- The practice phone number listed in the NPPES registry for Rolando Castillo is (626) 570-9000.
- Does Rolando Castillo accept Medicare?
- Rolando Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rolando Castillo's NPI active?
- Yes — Rolando Castillo's NPI (1528581519) is active in the NPPES registry as of the last update on 2024-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.