VIVIAN VIERA M.D.
NPI 1477536191
Family Medicine in Del Rio, TX

Q: What is Vivian Viera's NPI number?

The NPI number for Vivian Viera is 1477536191. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Q: What is Vivian Viera's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Vivian Viera was last updated on June 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since November 28, 2005PECOS EnrolledAccepts Medicare Assignment

1801 N BEDELL AVE, DEL RIO, TX 78840(830) 768-9200 Get Directions Write a Review

NPPES record last updated: June 19, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Vivian Viera M.d. NPPES

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

VIVIAN VIERA M.D. (NPI 1477536191) is an individual family medicine provider in Del Rio, Texas, licensed in Texas (R6127) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Val Verde Regional Medical Center, and is a graduate of Ponce School Of Medicine (1985).

NPPES Registry Identity

NPI1477536191

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameVIVIAN VIERACredential: M.D.

Location Address1801 N BEDELL AVEDel Rio, TX 78840

Mailing Address1801 N Bedell AveDel Rio, TX 78840-8001 · Fax (405) 310-4424

Phone(830) 768-9200

Sole ProprietorYes

Medical School CMSPonce School Of MedicineGraduated 1985

Enumeration DateNovember 28, 2005

Last NPPES UpdateJune 19, 2018

✔ NPI 1477536191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in TX · R6127

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1801 N BEDELL AVE, Del Rio, TX 78840

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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

Vivian Viera 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 ID4981660024

PECOS Enrollment IDI20180731002989

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

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

Val Verde Hospital Corporation

Same address

Rural Health

1801 N BEDELL AVE
Del Rio, TX 78840

Reassigned Medicare billing, Texas enrollment
103 clinicians in this Medicare group

NPI 1891124640 (830) 768-9229

United Medical Centers

52 mi

Federally Qualified Health Center (FQHC)

2525 N VETERANS BLVD
Eagle Pass, TX 78852

Reassigned Medicare billing, Texas enrollment
76 clinicians in this Medicare group

NPI 1710980669 (830) 773-5358

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

Hospital Affiliations CMS Care Compare

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

Val Verde Regional Medical Center

Acute Care Hospitals · Del Rio, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450154

Location801 Bedell AveDel Rio, TX 78840 · Val Verde County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78840 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$21.30 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$119.41 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers14 claims495 services$0.33 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

1 supplier14 claims14 services$44.17 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

2 suppliers11 claims11 services$18.98 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers11 claims11 services$12.65 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

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

ABIGAIL CHRISTINE LIRA AGPCNP

Nurse Practitioner (Primary Care)