Michael Castillo, CNP
NPI 1811144884 · Family Nurse Practitioner · Las Cruces, NM
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Castillo, CNP is a Family Nurse Practitioner provider in Las Cruces, NM (NPI 1811144884).
Provider details
- NPI number
- 1811144884
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Male
- Sole proprietor
- No
- License
- R48333 (NM)
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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
835 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 High Level of Medical Decision Making99285 | 331 | $144 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 220 | $7 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 110 | $64 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 95 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 61 | 60 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 53 | 50 |
| Pantoprazole Sodium | 49 | 38 |
| Atorvastatin Calcium | 46 | 25 |
| Tamsulosin Hcl | 41 | 28 |
| Cephalexin | 37 | 37 |
| Naproxen | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$161 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-21
- Last updated
- 2009-04-14
Frequently asked questions
- What is Michael Castillo's NPI number?
- Michael Castillo's National Provider Identifier (NPI) is 1811144884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Castillo's specialty?
- Michael Castillo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Castillo located?
- Michael Castillo's practice location on file with NPPES is 1605 El Paseo Rd, Las Cruces, NM 88001-6013.
- What is Michael Castillo's phone number?
- The practice phone number listed in the NPPES registry for Michael Castillo is (575) 527-2600.
- Does Michael Castillo accept Medicare?
- Michael Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Castillo's NPI active?
- Yes — Michael Castillo's NPI (1811144884) is active in the NPPES registry as of the last update on 2009-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.