DR. PAUL ALEXANDER CASTILLO MD
NPI 1205864097
Anesthesiology in Albuquerque, NM
About Dr. Paul Alexander Castillo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL ALEXANDER CASTILLO MD (NPI 1205864097) is an individual anesthesiology provider in Albuquerque, New Mexico, licensed in New Mexico (2003-0621) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Presbyterian Hospital, and is a graduate of University Of New Mexico School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Dr. Paul Alexander Castillo Md 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
2Medicare enrollment records show Paul Castillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 151 clinicians in this Medicare group
Albuquerque, NM 87102
- Reassigned Medicare billing, New Mexico enrollment
- 383 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presbyterian Hospital
Acute Care Hospitals · Albuquerque, NMMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALBUQUERQUE, NM 87106
ALBUQUERQUE, NM 87106
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 Paul Castillo's NPI number?
The NPI number for Paul Castillo is 1205864097. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is Paul Castillo located?
Paul Castillo practices at 1100 Central Ave SE, Albuquerque, NM 87106. The listed phone number is (505) 841-1234.
What is Paul Castillo's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Paul Castillo enrolled in Medicare?
Yes. Paul 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 Paul Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Castillo reassigns Medicare benefits to 2 organizations: Anesthesia Associates Of New Mexico P C (Albuquerque, NM) and Main Street Anesthesia Of New Mexico, LLC (Albuquerque, 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 Paul Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Paul Castillo affiliated with any hospitals?
According to CMS data, Paul Castillo is affiliated with Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Paul Castillo was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.
# Dr. Paul Alexander Castillo, MD · NPI 1205864097
Anesthesiology physician in Albuquerque, New Mexico. Individual provider, active in the CMS NPPES registry since June 29, 2006.
## Identity
- **NPI:** 1205864097 (Entity type: Individual)
- **Enumerated:** June 29, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2003-0621 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 CENTRAL AVE SE, Albuquerque, NM 87106-4930
- **Phone:** (505) 841-1234 · **Fax:** (505) 841-1956
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Anesthesia Associates Of New Mexico P C (NPI 1912900754, Albuquerque, NM); Main Street Anesthesia Of New Mexico, LLC (NPI 1275010985, Albuquerque, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicaid 073217 (AZ); Medicare UPIN F17299 (NM); Medicaid 35655232 (NM); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1205864097) · Data from the CMS NPPES public registry.