DR. ANNA ELIZABETH O'CONNOR MD
NPI 1053931345
Allergy & Immunology in Round Rock, TX

Q: What is Anna O'connor's NPI number?

The NPI number for Anna O'connor is 1053931345. It was assigned to this individual provider in the NPPES registry on April 16, 2020.

Q: What is Anna O'connor's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Anna O'connor was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since April 16, 2020PECOS EnrolledAccepts Medicare Assignment

303 E MAIN ST, ROUND ROCK, TX 78664(512) 732-2774(512) 344-9221 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 15, 2025, Apr 16, 2020 (2 updates tracked since 2020).

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About Dr. Anna Elizabeth O'connor Md NPPES

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

DR. ANNA ELIZABETH O'CONNOR MD (NPI 1053931345) is an individual allergy & immunology provider in Round Rock, Texas, licensed in Texas (V7268) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains 8 additional practice locations, and is a graduate of University Of Mississippi School Of Medicine (2020).

NPPES Registry Identity

NPI1053931345

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameDR. ANNA ELIZABETH O'CONNORCredential: MD

Location Address303 E MAIN STRound Rock, TX 78664-5246

Mailing Address303 E Main StRound Rock, TX 78664-5246 · (512) 732-2774 · Fax (512) 344-9221

Phone(512) 732-2774

Fax(512) 344-9221

Sole ProprietorNo

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2020

Enumeration DateApril 16, 2020

Last NPPES UpdateMay 15, 20252 updates tracked since enumeration

NPPES CertifiedMay 15, 2025

✔ NPI 1053931345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in TX · V7268

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedPediatricsTaxonomy 208000000X · License V7268 (TX)

303 E MAIN ST, Round Rock, TX 78664

Open in Google Maps ↗

Secondary Practice Locations 8

Location 1200 Sydney BlvdThorndale, TX 76577-5432 · Phone (512) 732-2774

Location 23101 Highway 71 E Ste 210Bastrop, TX 78602-5157 · Phone (512) 732-2774

Location 35656 Bee Caves Rd Ste G201West Lake Hills, TX 78746-5236 · Phone (512) 732-2774

Location 46611 River Place Blvd Ste 100Austin, TX 78730-1163 · Phone (512) 732-2774

Location 53944 Ranch Road 620 S Ste 202Austin, TX 78738-7166 · Phone (512) 732-2774

Location 611762 Jollyville RdAustin, TX 78759-3937 · Phone (512) 732-2774

Location 75625 Eiger Rd Ste 125Austin, TX 78735-8979 · Phone (512) 732-2774

Location 81640 Highland Falls Dr Ste 601Leander, TX 78641-4842 · Phone (512) 732-2774

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Anna Elizabeth O'connor 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 ID3870923329

PECOS Enrollment IDI20250520000131

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.

Other Providers at the Same Location NPPES 3

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

BAY AREA ALLERGY PA

Allergy & Immunology

303 E MAIN ST
ROUND ROCK, TX 78664

Williamson County (855) 347-3685

GREATER AUSTIN ALLERGY, ASTHMA & IMMUNOLOGY PA

Allergy & Immunology

303 E MAIN ST
ROUND ROCK, TX 78664

Williamson County (512) 732-2774

KRISTIN FOLEY RN, FNP-C

Nurse Practitioner (Family)

303 E MAIN ST
ROUND ROCK, TX 78664

Williamson County (512) 732-2774

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 Anna O'connor's NPI number?

The NPI number for Anna O'connor is 1053931345. It was assigned to this individual provider in the NPPES registry on April 16, 2020.

Where is Anna O'connor located?

Anna O'connor practices at 303 E Main St, Round Rock, TX 78664. The listed phone number is (512) 732-2774.

What is Anna O'connor's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Anna O'connor enrolled in Medicare?

Yes. Anna O'connor 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.

What insurance does Anna O'connor accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Anna O'connor 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 Anna O'connor was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.