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MS. THALIA FERNANDEZ C-AA
NPI 1851130314
Anesthesiologist Assistant in St. Louis, MO

Active since May 23, 2024Accepts Medicare Assignment
615 S. NEW BALLAS RD. DEPT OF ANESTHESIA, ST. LOUIS, MO 63141(636) 386-9224(636) 386-7679 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Thalia Fernandez C-aa NPPES

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

MS. THALIA FERNANDEZ C-AA (NPI 1851130314) is an individual anesthesiologist assistant in St. Louis, Missouri, licensed in Florida (AA1053) and active in the NPI registry since May 2024. She is affiliated with Memorial Regional Hospital and is a graduate of Other (2024).

NPPES Registry Identity

NPI1851130314
Entity TypeIndividualFemale
Primary Taxonomy367H00000X
Provider Legal NameMS. THALIA FERNANDEZCredential: C-AA
Location Address615 S. NEW BALLAS RD. DEPT OF ANESTHESIASt. Louis, MO 63141
Mailing Address339 Consort Dr.Ballwin, MO 63011-4439 · (636) 386-9224 · Fax (636) 386-7679
Phone(636) 386-9224
Fax(636) 386-7679
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMay 23, 2024
Last NPPES UpdateApril 9, 2025
NPPES CertifiedApril 9, 2025
✔ NPI 1851130314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
Licenses✔ Licensed in FL · AA1053✔ Licensed in MO · PENDING
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
615 S. NEW BALLAS RD. DEPT OF ANESTHESIA, St. Louis, MO 63141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, 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

Ms. Thalia Fernandez C-aa 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 ID3678010261
PECOS Enrollment IDI20250417001636

Medicare Billing Reassignment

Medicare enrollment records show Thalia Fernandez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sheridan Healthcorp Inc
594 mi
Anesthesiology
4600 N DAVIS HWY
Pensacola, FL 32503
  • Reassigned Medicare billing, Florida enrollment
  • 1,973 clinicians in this Medicare group
NPI 1811664386 (973) 251-1132

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Memorial Regional Hospital

Acute Care Hospitals · Hollywood, FL
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100038
Location3501 Johnson StHollywood, FL 33021 · Broward County
Emergency services Birthing friendly

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 Thalia Fernandez's NPI number?

The NPI number for Thalia Fernandez is 1851130314. It was assigned to this individual provider in the NPPES registry on May 23, 2024.

Where is Thalia Fernandez located?

Thalia Fernandez practices at 615 S. New Ballas Rd. Dept Of Anesthesia, St. Louis, MO 63141. The listed phone number is (636) 386-9224.

What is Thalia Fernandez's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Thalia Fernandez enrolled in Medicare?

Yes. Thalia Fernandez 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 organization bills Medicare for Thalia Fernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thalia Fernandez reassigns Medicare benefits to Sheridan Healthcorp Inc (Pensacola, FL). 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 Thalia Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thalia Fernandez accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Thalia Fernandez 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 Thalia Fernandez affiliated with any hospitals?

According to CMS data, Thalia Fernandez is affiliated with Memorial Regional Hospital.

When was this NPI record last updated?

The NPPES record for Thalia Fernandez was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.