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DR. ALEXANDER CHASE CASTILLO M.D.
NPI 1962822684
Surgery - Plastic and Reconstructive Surgery in Mcallen, TX

Active since April 21, 2014PECOS EnrolledAccepts Medicare Assignment
92.53/100
CMS Quality Rating
1100 E DOVE AVE STE 400, MCALLEN, TX 78504(956) 362-8160(956) 362-8169 Get Directions Write a Review

NPPES record last updated: March 23, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 23, 2023, Sep 8, 2021, Aug 2, 2021 and 1 more (4 updates tracked since 2020).

About Dr. Alexander Chase Castillo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDER CHASE CASTILLO M.D. (NPI 1962822684) is an individual plastic and reconstructive surgery provider in Mcallen, Texas, licensed in Texas (T1314) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Doctors Hosptal At Renaissance, and is a graduate of University Of Texas Medical Branch At Galveston (2014).

NPPES Registry Identity

NPI1962822684
Entity TypeIndividualMale
Primary Taxonomy2086S0122X
Provider Legal NameDR. ALEXANDER CHASE CASTILLOCredential: M.D.
Location Address1100 E DOVE AVE STE 400Mcallen, TX 78504-4672
Mailing AddressPo Box 749Pharr, TX 78577-1614 · (956) 362-8160 · Fax (956) 362-8169
Phone(956) 362-8160
Fax(956) 362-8169
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2014
Enumeration DateApril 21, 2014
Last NPPES UpdateMarch 23, 20234 updates tracked since enumeration
NPPES CertifiedMarch 23, 2023
✔ NPI 1962822684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Plastic and Reconstructive SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0122X
Licenses✔ Licensed in TX · T1314✔ Licensed in TX · BP10050299
Definition
A surgeon who specializes in plastic and reconstructive surgery.
Also ListedSurgeryTaxonomy 208600000X · License T1314 (TX)
1100 E DOVE AVE STE 400, Mcallen, TX 78504
Open in Google Maps ↗

Other Identifiers 1

OtherT1314TX · Texas Medical Board License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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. Alexander Chase Castillo M.d. 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.

PECOS PAC ID9739467481
PECOS Enrollment IDI20210804000716
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexander Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Alexander Chase Castillo
0.5 mi
Plastic and Reconstructive Surgery
6316 N 10TH ST
Mcallen, TX 78504
  • Reassigned Medicare billing, Texas enrollment
NPI 1841177847 (956) 833-1944

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

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
18 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipPhysician
CMS Certification Number450869
Location5501 South MccollEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Medicare 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.

92.53/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.45
Improvement Activities40

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MAURICIO DE LA GARZA M.D.
Surgery (Plastic and Reconstructive Surgery)
1100 E DOVE AVE STE 400
MCALLEN, TX 78504
Hidalgo County (956) 362-8160
AIDEE C NUNEZ
Nurse Practitioner (Family)
1100 E DOVE AVE STE 400
MCALLEN, TX 78504
Hidalgo County (956) 362-8160
DR. ALI KILIC
Plastic Surgery (Surgery of the Hand)
1100 E DOVE AVE STE 400
MCALLEN, TX 78504
Hidalgo County (956) 362-8160
DR. ARMANDO MONCADA M.D.
Surgery (Plastic and Reconstructive Surgery)
1100 E DOVE AVE STE 400
MCALLEN, TX 78504
Hidalgo County (956) 362-8160
DR. PAUL ANTHONY BERRY MD
Surgery (Plastic and Reconstructive Surgery)
1100 E DOVE AVE STE 400
MCALLEN, TX 78504
Hidalgo County (956) 362-8160
BIANCA GISELLE MEDINA PA
Physician Assistant
1100 E DOVE AVE STE 400
MCALLEN, TX 78504
Hidalgo County (956) 362-8160

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 Alexander Castillo's NPI number?

The NPI number for Alexander Castillo is 1962822684. It was assigned to this individual provider in the NPPES registry on April 21, 2014.

Where is Alexander Castillo located?

Alexander Castillo practices at 1100 E Dove Ave Ste 400, Mcallen, TX 78504. The listed phone number is (956) 362-8160.

What is Alexander Castillo's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.

Is Alexander Castillo enrolled in Medicare?

Yes. Alexander 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 organization bills Medicare for Alexander Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Castillo reassigns Medicare benefits to Alexander Chase Castillo (Mcallen, TX). The 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 Alexander Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Castillo accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Alexander Castillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alexander Castillo affiliated with any hospitals?

According to CMS data, Alexander Castillo is affiliated with Doctors Hosptal At Renaissance.

When was this NPI record last updated?

The NPPES record for Alexander Castillo was last updated on March 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.