1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Obstetrics Gynecology
  6. NPI Profile

ALIXANDRIA FIORE PFEIFFER DO
NPI 1396308516
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Antonio, TX

Active since April 15, 2019PECOS Enrolled
8300 FLOYD CURL DRIVE, SAN ANTONIO, TX 78229(210) 450-9000 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2026, Aug 11, 2023, Apr 15, 2019 (3 updates tracked since 2019).

About Alixandria Fiore Pfeiffer Do NPPES

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

ALIXANDRIA FIORE PFEIFFER DO (NPI 1396308516) is an individual maternal & fetal medicine provider in San Antonio, Texas, licensed in Texas (U5200) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396308516
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameALIXANDRIA FIORE PFEIFFERCredential: DO
Location Address8300 FLOYD CURL DRIVESan Antonio, TX 78229
Mailing Address8300 Floyd Curl DrSan Antonio, TX 78229-3931 · (210) 450-9500 · Fax (210) 450-6027
Phone(210) 450-9000
Sole ProprietorNo
Enumeration DateApril 15, 2019
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1396308516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in TX · U5200
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License U5200 (TX)
8300 FLOYD CURL DRIVE, San Antonio, TX 78229
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alixandria Fiore Pfeiffer Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

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

University Of Texas Health Science Center At San Antonio
0.1 mi
Dental
8210 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 2,397 clinicians in this Medicare group
NPI 1760424873 (210) 567-6405

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
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 4

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

JESSICA GRIMALDO PA-C
Physician Assistant (Medical)
8300 FLOYD CURL DRIVE, MC 7883, DEPT OF NEUROLOGY, UTHSCSA
SAN ANTONIO, TX 78229
Bexar County (210) 450-9700
CRYSTAL DAWN KELLER PT, DPT
Physical Therapist
8300 FLOYD CURL DRIVE, 3RD FLOOR (3A)
SAN ANTONIO, TX 78229
Bexar County (210) 450-9680
DR. MICHAEL JOSEPH LICHTENSTEIN MD
Internal Medicine (Geriatric Medicine)
8300 FLOYD CURL DRIVE, UT MEDICINE AT SAN ANTONIO-GERIATRICS
SAN ANTONIO, TX 78229
Bexar County (210) 450-9100
KATHERINE O'DONNELL FNP
Nurse Practitioner (Family)
8300 FLOYD CURL DRIVE
SAN ANTONIO, TX 78229
Bexar County (210) 450-9200

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 Alixandria Pfeiffer's NPI number?

The NPI number for Alixandria Pfeiffer is 1396308516. It was assigned to this individual provider in the NPPES registry on April 15, 2019.

Where is Alixandria Pfeiffer located?

Alixandria Pfeiffer practices at 8300 Floyd Curl Drive, San Antonio, TX 78229. The listed phone number is (210) 450-9000.

What is Alixandria Pfeiffer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Alixandria Pfeiffer enrolled in Medicare?

Yes. Alixandria Pfeiffer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alixandria Pfeiffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alixandria Pfeiffer reassigns Medicare benefits to University Of Texas Health Science Center At San Antonio (San Antonio, TX). 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 Alixandria Pfeiffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alixandria Pfeiffer accept?

Health plans from Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Alixandria Pfeiffer 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 Alixandria Pfeiffer was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.