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ARMANDO R CASTILLO JR. MD
NPI 1972540060
Pediatrics - Neonatal-Perinatal Medicine in Gainesville, GA

Active since May 31, 2006PECOS Enrolled
743 SPRING ST NE, GAINESVILLE, GA 30501(770) 533-6645(770) 535-7445 Get Directions Write a Review

NPPES record last updated: February 27, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 27, 2019, Dec 11, 2018, Dec 7, 2018 and 2 more (5 updates tracked since 2018).

About Armando R Castillo Jr. Md NPPES

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

ARMANDO R CASTILLO JR. MD (NPI 1972540060) is an individual neonatal-perinatal medicine provider in Gainesville, Georgia, licensed in Georgia (054989) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1972540060
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameARMANDO R CASTILLO JR.Credential: MD
Location Address743 SPRING ST NEGainesville, GA 30501
Mailing AddressPo Box 658Gainesville, GA 30503-0658 · (770) 718-1122 · Fax (770) 533-4786
Phone(770) 533-6645
Fax(770) 535-7445
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateFebruary 27, 20195 updates tracked since enumeration
✔ NPI 1972540060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in GA · 054989✔ Licensed in TX · R6358
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 54989 (GA)
743 SPRING ST NE, Gainesville, GA 30501
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15016 S US Highway 75Denison, TX 75020-4584 · Phone (903) 416-4000
Location 21400 River PlBraselton, GA 30517-5600 · Phone (770) 535-3611 · Fax (770) 535-7092

Other Identifiers 8

Other01208122GA · Amerigroup
Medicaid247262164FGA
Other4519014GA · Aetna
Other459338GA · Wellcare
Other52703314GA · Bcbs
Other1972540060GA · United Healthcare
Other374271GA · Cigna
Medicaid385001801TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas 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 (PECOS)

Armando R Castillo Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Armando Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

United Emergency Services, Inc.
272 mi
Emergency Medicine
100 HOSPITAL ST
Booneville, MS 38829
  • Reassigned Medicare billing, Georgia enrollment
  • 53 clinicians in this Medicare group
NPI 1326007915 (662) 720-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DARRYL E BLALOCK CRNA
Nurse Anesthetist, Certified Registered
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 532-7179
JACOB LEEDEKERKEN
Emergency Medicine
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 219-1200
ANELA D PEARSON AGACNP-BC
Nurse Practitioner (Gerontology)
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 534-2020
DR. SHARANI UMAYANGANI JAYARATNE MD
Emergency Medicine
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 219-1200
JUSTINA LI VEGA PA-C
Physician Assistant (Surgical)
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 533-7288
LAUREN CALLAWAY PHARMD
Pharmacist
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 219-9000
RACHAEL PHLIPOT CAA
Anesthesiologist Assistant
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (770) 532-7179
DR. KEITH EDWIN LEAP II MD
Emergency Medicine
743 SPRING ST NE
GAINESVILLE, GA 30501
Hall County (786) 357-9327

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 Armando Castillo's NPI number?

The NPI number for Armando Castillo is 1972540060. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Armando Castillo located?

Armando Castillo practices at 743 Spring St NE, Gainesville, GA 30501. The listed phone number is (770) 533-6645.

What is Armando Castillo's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Armando Castillo enrolled in Medicare?

Yes. Armando Castillo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Armando Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Armando Castillo reassigns Medicare benefits to United Emergency Services, Inc. (Booneville, MS). 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 Armando Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Armando Castillo accept?

Health plans from Alliant Health Plans, Inc., Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and HMO Louisiana list Armando 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.

When was this NPI record last updated?

The NPPES record for Armando Castillo was last updated on February 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.