NPPES file of Aug 9, 2026

Anna Elizabeth O'Connor, MD

Allergy & Immunology Physician · Round Rock, TX

Anna Elizabeth O'Connor, MD is an allergy & immunology physician with a practice address in Round Rock, Texas, and NPI 1053931345, issued on Apr 16, 2020. Check the license (Texas V7268, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053931345
Name
Anna Elizabeth O'Connor
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
V7268 TX
Self-reported in NPPES; status is on the state search
Practice location
303 E Main St, Round Rock, TX 78664
Phone
(512) 732-2774
Enumerated
Apr 16, 2020
Record last updated
May 15, 2025
Fax
(512) 344-9221
Medicare enrollment
Enrolled (PECOS I20250520000131); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest allergy & immunology physician records → All 327 in Texas → Look up another NPI →

Also registered at 303 E Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristin Foley, RN, FNP-CFamily Nurse Practitioner1346697711

Verify Anna Elizabeth O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V7268    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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58% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

309 Medicare Part D claims for 68 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Anna O'Connor309
  2. Specialty average741

Most prescribed

  1. Montelukast Sodium49 claims
  2. Fluticasone Propionate44 claims
  3. Albuterol Sulfate Hfa31 claims
  4. Famotidine27 claims
  5. Azelastine Hcl24 claims
  6. Ipratropium Bromide17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $274.96

3 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anna O'Connor$274.96
  2. Specialty average$8,321.81

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Greater Austin Allergy, Asthma And Immunology PAAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anna Elizabeth O'Connor among 327 allergy & immunology physician records in Texas

Anna Elizabeth O'Connor, MD is one of 327 allergy & immunology physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.

  • NPI issued2020 · 94% of these records are older, 2% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2020 · median 2003 among the 228 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Texas

There are 327 allergy & immunology physician records in Texas.

All 327 in Texas → Every provider in Round Rock → Allergy & Immunology Physician nationwide →

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Anthony Henry, M.D.Round Rock, TX 786641245232487
  2. Sumit Bose, M.D.Round Rock, TX 786651306163902
  3. Maya Lele, M.D.Marble Falls, TX 786541902249352
  4. Jeffrey Hallett, M.D.Round Rock, TX 786811275683823
  5. Niharika Marpu, M.D.Round Rock, TX 786811861827594
  6. Veena Rajashekhar, M.D.Round Rock, TX 786811356342612
  7. Grace Tamesis, M.D., MPHRound Rock, TX 786811740288729
  8. Nikki Patel, M.D.Kyle, TX 786401801030135

Common questions

What is Anna Elizabeth O'Connor, MD's NPI number?

Anna Elizabeth O'Connor, MD's National Provider Identifier (NPI) is 1053931345, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Anna Elizabeth O'Connor, MD located?

The NPPES record lists a practice address at 303 E Main St, Round Rock, TX, 78664. Phone: (512) 732-2774. Providers update this record themselves, so call before visiting.

How can I verify Anna Elizabeth O'Connor, MD's license?

NPPES lists Texas license number V7268, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Anna Elizabeth O'Connor, MD prescribe under Medicare Part D?

In 2024, Anna Elizabeth O'Connor, MD had 309 Medicare Part D claims for 68 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.