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DR. OMAR ALEJANDRO SANCHEZ VILLANUEVA M.D.
NPI 1710021266
Pediatrics - Pediatric Critical Care Medicine in Mobile, AL

Active since February 17, 2007PECOS EnrolledAccepts Medicare Assignment
1700 CENTER ST, PICU, MOBILE, AL 36604(251) 415-1546(251) 415-1026 Get Directions Write a Review

NPPES record last updated: May 13, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Omar Alejandro Sanchez Villanueva M.d. NPPES

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

DR. OMAR ALEJANDRO SANCHEZ VILLANUEVA M.D. (NPI 1710021266) is an individual pediatric critical care medicine provider in Mobile, Alabama, licensed in Alabama (32466) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1710021266
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. OMAR ALEJANDRO SANCHEZ VILLANUEVACredential: M.D.
Location Address1700 CENTER ST, PICUMobile, AL 36604-3301
Mailing AddressPo Box 40480Mobile, AL 36640-0480 · (251) 415-1546 · Fax (251) 415-1026
Phone(251) 415-1546
Fax(251) 415-1026
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateFebruary 17, 2007
Last NPPES UpdateMay 13, 2015
✔ NPI 1710021266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
Licenses✔ Licensed in AL · 32466✔ Licensed in FL · ME 113837
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License ME 113837 (FL)
1700 CENTER ST, Mobile, AL 36604
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Molina Healthcare, Oscar Health Plan, Inc..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. Omar Alejandro Sanchez Villanueva 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 ID3375777915
PECOS Enrollment IDI20131014001313
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

2

Medicare enrollment records show Omar Sanchez Villanueva reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usa Health Physician Billing Services LLC
0.2 mi
Obstetrics & Gynecology
1601 CENTER ST
Mobile, AL 36604
  • Reassigned Medicare billing, Alabama enrollment
  • 857 clinicians in this Medicare group
NPI 1013574722 (251) 415-1496
University Of South Alabama
1.4 mi
Clinical Medical Laboratory
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 394 clinicians in this Medicare group
NPI 1497859052 (251) 471-7000

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.

DR. PAUL D SCHNEIDER MD
Emergency Medicine (Pediatric Emergency Medicine)
1700 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1000
MS. MICHELLE RAINES THRASHER NNP
Nurse Practitioner (Neonatal)
1700 CENTER ST, DIVISION OF NEONATOLOGY
MOBILE, AL 36604
Mobile County (251) 415-1055
DR. MELISSA LEIGH PETERS MD
Pediatrics (Pediatric Emergency Medicine)
1700 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1000
UNIVERSITY OF SOUTH ALABAMA
General Acute Care Hospital (Children)
1700 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1000
DR. KALSANG DOLMA M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1700 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1055
CLAIRE COPELAND BARNETT RN, CRNA
Nurse Anesthetist, Certified Registered
1700 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1000
TAMARA SNELL
Registered Nurse (Maternal Newborn)
1700 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1000
DEENA WAFADARI R M.D.
Student in an Organized Health Care Education/Training Program
1700 CENTER ST, CWEB 1, RM 1538
MOBILE, AL 36604
Mobile County (251) 434-3915

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 Omar Sanchez Villanueva's NPI number?

The NPI number for Omar Sanchez Villanueva is 1710021266. It was assigned to this individual provider in the NPPES registry on February 17, 2007.

Where is Omar Sanchez Villanueva located?

Omar Sanchez Villanueva practices at 1700 Center St Picu, Mobile, AL 36604. The listed phone number is (251) 415-1546.

What is Omar Sanchez Villanueva's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Omar Sanchez Villanueva enrolled in Medicare?

Yes. Omar Sanchez Villanueva 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 Omar Sanchez Villanueva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Sanchez Villanueva reassigns Medicare benefits to 2 organizations: Usa Health Physician Billing Services LLC (Mobile, AL) and University Of South Alabama (Mobile, AL). 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 Omar Sanchez Villanueva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Omar Sanchez Villanueva accept?

Health plans from Blue Cross and Blue Shield of Alabama, Molina Healthcare and Oscar Health Plan, Inc. list Omar Sanchez Villanueva 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 Omar Sanchez Villanueva was last updated on May 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.