Alexander Chase Castillo
NPI 1841177847 · Plastic and Reconstructive Surgery Physician · Mcallen, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Chase Castillo is a Plastic and Reconstructive Surgery Physician organization in Mcallen, TX (NPI 1841177847).
Provider details
- NPI number
- 1841177847
- Entity type
- Organization
- Primary specialty
- Plastic and Reconstructive Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Castillo, Owner(956) 833-1944
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Alexander Chase Castillo MD PLLC
Registry dates
- Enumerated
- 2025-08-20
- Last updated
- 2025-08-20
- Certified
- 2025-08-20
Frequently asked questions
- What is Alexander Chase Castillo's NPI number?
- Alexander Chase Castillo's National Provider Identifier (NPI) is 1841177847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alexander Chase Castillo?
- Alexander Chase Castillo is classified in the NPPES registry as Plastic and Reconstructive Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Chase Castillo located?
- Alexander Chase Castillo's practice location on file with NPPES is 6316 N 10th St, Mcallen, TX 78504-3599.
- What is Alexander Chase Castillo's phone number?
- The practice phone number listed in the NPPES registry for Alexander Chase Castillo is (956) 833-1944.
- Does Alexander Chase Castillo accept Medicare?
- Alexander Chase Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Alexander Chase Castillo?
- The authorized official listed on Alexander Chase Castillo's NPPES record is Alexander Castillo, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alexander Chase Castillo's NPI active?
- Yes — Alexander Chase Castillo's NPI (1841177847) is active in the NPPES registry as of the last update on 2025-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.