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DR. JUAN CARLOS PRIETO M.D.
NPI 1609071489
Urology - Pediatric Urology in San Antonio, TX

Active since June 20, 2007PECOS EnrolledAccepts Medicare Assignment
4499 MEDICAL DR STE 360, SAN ANTONIO, TX 78229(210) 615-1600(210) 615-1601 Get Directions Write a Review

NPPES record last updated: January 13, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Juan Carlos Prieto M.d. NPPES

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

DR. JUAN CARLOS PRIETO M.D. (NPI 1609071489) is an individual pediatric urology provider in San Antonio, Texas, licensed in Texas (N8708) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of San Juan Bautista School Of Medicine (1996).

NPPES Registry Identity

NPI1609071489
Entity TypeIndividualMale
Primary Taxonomy2088P0231X
Provider Legal NameDR. JUAN CARLOS PRIETOCredential: M.D.
Location Address4499 MEDICAL DR STE 360San Antonio, TX 78229-3857
Mailing Address4499 Medical Dr Ste 360San Antonio, TX 78229-3857 · (210) 615-1600 · Fax (210) 615-1601
Phone(210) 615-1600
Fax(210) 615-1601
Sole ProprietorNo
Medical School CMSSan Juan Bautista School Of MedicineGraduated 1996
Enumeration DateJune 20, 2007
Last NPPES UpdateJanuary 13, 2025
NPPES CertifiedJanuary 13, 2025
✔ NPI 1609071489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
License✔ Licensed in TX · N8708
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
4499 MEDICAL DR STE 360, San Antonio, TX 78229
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Other Identifiers 1

Medicaid203286401TX

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. Juan Carlos Prieto 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 ID749338929
PECOS Enrollment IDI20090427000525
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 Reassignments

3

Medicare enrollment records show Juan Prieto reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sa Pediatric Urology
Same address
Pediatric Urology
4499 MEDICAL DR STE 360
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 5 clinicians in this Medicare group
NPI 1578309951 (210) 615-1600
Magella Medical Associates Billing, Inc.
86 mi
Neonatal-Perinatal Medicine
2400 ROUND ROCK AVE
Round Rock, TX 78681
  • Reassigned Medicare billing, Texas enrollment
  • 432 clinicians in this Medicare group
NPI 1083631071 (512) 341-1000
Children's Physician Services Of South Texas
141 mi
Plastic Surgery
3533 S ALAMEDA ST
Corpus Christi, TX 78411
  • Reassigned Medicare billing, Texas enrollment
  • 510 clinicians in this Medicare group
NPI 1568658227 (361) 694-4444

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 3

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

DR. GAAYANA RAJU M.D.
Urology (Pediatric Urology)
4499 MEDICAL DR STE 360
SAN ANTONIO, TX 78229
Bexar County (210) 615-1600
SA PEDIATRIC UROLOGY
Urology (Pediatric Urology)
4499 MEDICAL DR STE 360
SAN ANTONIO, TX 78229
Bexar County (210) 615-1600
DR. ANDREW JOHN MARKS M.D.
Urology (Pediatric Urology)
4499 MEDICAL DR STE 360
SAN ANTONIO, TX 78229
Bexar County (210) 615-1600

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 Juan Prieto's NPI number?

The NPI number for Juan Prieto is 1609071489. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Juan Prieto located?

Juan Prieto practices at 4499 Medical Dr Ste 360, San Antonio, TX 78229. The listed phone number is (210) 615-1600.

What is Juan Prieto's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is Juan Prieto enrolled in Medicare?

Yes. Juan Prieto 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 Juan Prieto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juan Prieto reassigns Medicare benefits to 3 organizations: Sa Pediatric Urology (San Antonio, TX), Magella Medical Associates Billing, Inc. (Round Rock, TX) and Children's Physician Services Of South Texas (Corpus Christi, TX). 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 Juan Prieto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Juan Prieto 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 6 other insurers list Juan Prieto 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 Juan Prieto was last updated on January 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.