MICHAEL J. CASTILLO CNP
NPI 1811144884
Nurse Practitioner in Las Cruces, NM
About Michael J. Castillo Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J. CASTILLO CNP (NPI 1811144884) is an individual nurse practitioner in Las Cruces, New Mexico, licensed in New Mexico (CNP01190) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Memorial Medical Center, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Michael J. Castillo Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Michael Castillo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 193 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 183 clinicians in this Medicare group
Las Cruces, NM 88001
- Reassigned Medicare billing, New Mexico enrollment
- 85 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Medical Center
Acute Care Hospitals · Las Cruces, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 88001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS CRUCES, NM 88001
LAS CRUCES, NM 88001
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Castillo's NPI number?
The NPI number for Michael Castillo is 1811144884. It was assigned to this individual provider in the NPPES registry on August 21, 2008.
Where is Michael Castillo located?
Michael Castillo practices at 1605 El Paseo Rd, Las Cruces, NM 88001. The listed phone number is (575) 527-2600.
What is Michael Castillo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Michael Castillo enrolled in Medicare?
Yes. Michael Castillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Castillo reassigns Medicare benefits to 3 organizations: Las Cruces Physician Practices, LLC (Las Cruces, NM), Southwest Emergency Medical Associates Of Nm PC (Las Cruces, NM) and Three Crosses Regional Hospital LLC (Las Cruces, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Castillo affiliated with any hospitals?
According to CMS data, Michael Castillo is affiliated with Memorial Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Castillo was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Michael J. Castillo, CNP · NPI 1811144884
Nurse Practitioner physician in Las Cruces, New Mexico. Individual provider, active in the CMS NPPES registry since August 21, 2008.
## Identity
- **NPI:** 1811144884 (Entity type: Individual)
- **Enumerated:** August 21, 2008
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** CNP01190 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 1605 EL PASEO RD, Las Cruces, NM 88001-6013
- **Phone:** (575) 527-2600 · **Fax:** (575) 527-5342
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Las Cruces Physician Practices, LLC (NPI 1346586195, Las Cruces, NM); Southwest Emergency Medical Associates Of Nm PC (NPI 1720505571, Las Cruces, NM); Three Crosses Regional Hospital LLC (NPI 1487248050, Las Cruces, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** August 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811144884) · Data from the CMS NPPES public registry.