Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ANDREW MARQUES VIERRA MD
NPI 1871278655
Emergency Medicine in Lexington, KY

Active since June 19, 2023PECOS EnrolledAccepts Medicare Assignment
1000 S LIMESTONE, LEXINGTON, KY 40506(859) 257-1000 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 4, 2026, Jun 26, 2024, Jun 19, 2023 (3 updates tracked since 2023).

About Dr. Andrew Marques Vierra Md NPPES

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

DR. ANDREW MARQUES VIERRA MD (NPI 1871278655) is an individual emergency medicine provider in Lexington, Kentucky, licensed in Michigan (4351050966) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Jennings, and maintains a secondary practice location in North Vernon.

NPPES Registry Identity

NPI1871278655
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ANDREW MARQUES VIERRACredential: MD
Location Address1000 S LIMESTONELexington, KY 40506-0007
Mailing Address104 Hawks Bill CtNicholasville, KY 40356-7036 · (360) 689-5183
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 19, 2023
Last NPPES UpdateSeptember 4, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2026
✔ NPI 1871278655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MI · 4351050966✔ Licensed in IN · 01100095A
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Pediatric Emergency MedicineTaxonomy 207PP0204X · License 61908 (KY)
1000 S LIMESTONE, Lexington, KY 40506

Other Names 1

Former Name (1)Dr. Andrew Marques Simon-vierra Md

Secondary Practice Location 1

Location 1301 Henry StNorth Vernon, IN 47265-1030 · Phone (812) 352-4200

Accepted 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. Andrew Marques Vierra Md 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 ID9830553122
PECOS Enrollment IDI20251103000330, I20260406002762
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

4

Medicare enrollment records show Andrew Vierra reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Practitioner
100 PROVIDENCE WAY STE 200
Nicholasville, KY 40356
  • Reassigned Medicare billing, Kentucky enrollment
  • 1,441 clinicians in this Medicare group
Emergency Medicine
1025 NEW MOODY LN
La Grange, KY 40031
  • Reassigned Medicare billing, Kentucky enrollment
  • 77 clinicians in this Medicare group
Emergency Medicine
1373 E STATE ROAD 62
Madison, IN 47250
  • Reassigned Medicare billing, Indiana enrollment
  • 598 clinicians in this Medicare group
Emergency Medicine
515 COLLEGE ST
Cedar Falls, IA 50613
  • Reassigned Medicare billing, Iowa enrollment
  • 37 clinicians in this Medicare group

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 4

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

Ascension St Vincent Jennings

Critical Access Hospitals · North Vernon, IN
OwnershipVoluntary non-profit - Church
CMS Certification Number151303
Location301 Henry StNorth Vernon, IN 47265 · Jennings County
Emergency services

Sartori Memorial Hospital, Inc

Acute Care Hospitals · Cedar Falls, IA
OwnershipVoluntary non-profit - Church
CMS Certification Number160040
Location515 College StreetCedar Falls, IA 50613 · Black Hawk County
Emergency services

Mercyone Waterloo Medical Center

Acute Care Hospitals · Waterloo, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160067
Location3421 West Ninth StreetWaterloo, IA 50702 · Black Hawk County
Emergency services Birthing friendly

Baptist Health Lagrange

Acute Care Hospitals · La Grange, KY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180138
Location1025 New Moody LaneLa Grange, KY 40031 · Oldham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40506 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
$82.24 typical visit price
range $52.76 – $162.27
Typical copayment $20.56 (range $13.19 – $40.56)
Most-billed visit code 99203
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
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.

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.

Nurse Practitioner (Acute Care)
1000 S LIMESTONE
LEXINGTON, KY 40506
Student in an Organized Health Care Education/Training Program
1000 S LIMESTONE
LEXINGTON, KY 40506
Nurse Practitioner (Family)
1000 S LIMESTONE
LEXINGTON, KY 40506
Nurse Practitioner (Family)
1000 S LIMESTONE
LEXINGTON, KY 40506
Student in an Organized Health Care Education/Training Program
1000 S LIMESTONE
LEXINGTON, KY 40506
Nurse Practitioner (Acute Care)
1000 S LIMESTONE
LEXINGTON, KY 40506
Pharmacist
1000 S LIMESTONE
LEXINGTON, KY 40506
Student in an Organized Health Care Education/Training Program
1000 S LIMESTONE
LEXINGTON, KY 40506

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 Andrew Vierra's NPI number?

The NPI number for Andrew Vierra is 1871278655. It was assigned to this individual provider in the NPPES registry on June 19, 2023. The provider is also known as Dr. Andrew Marques Simon-Vierra MD.

Where is Andrew Vierra located?

Andrew Vierra practices at 1000 S Limestone, Lexington, KY 40506. The listed phone number is (859) 257-1000.

What is Andrew Vierra's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Andrew Vierra enrolled in Medicare?

Yes. Andrew Vierra 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 Andrew Vierra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Vierra reassigns Medicare benefits to 4 organizations: Baptist Health Medical Group Inc (Nicholasville, KY), Oldham County Emergency Physicians, LLC (La Grange, KY), Cep America LLC (Madison, IN) and Cedar Falls Emergency Physicians, LLC (Cedar Falls, IA). 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 Andrew Vierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrew Vierra accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Andrew Vierra 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 Andrew Vierra affiliated with any hospitals?

According to CMS data, Andrew Vierra is affiliated with Ascension St Vincent Jennings, Sartori Memorial Hospital, Inc, Mercyone Waterloo Medical Center and Baptist Health Lagrange.

When was this NPI record last updated?

The NPPES record for Andrew Vierra was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.