NPPES file of Aug 9, 2026

Katherine Oliver Hall, MD

Obstetrics & Gynecology Physician · San Antonio, TX

Katherine Oliver Hall, MD is an obstetrics & gynecology physician with a practice address in San Antonio, Texas, and NPI 1497217046, issued on Apr 3, 2019. Check the license (Texas U3226, 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
1497217046
Name
Katherine Oliver Hall
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
U3226 TX
Self-reported in NPPES; status is on the state search
Practice location
502 Madison Oak Dr Ste 440, San Antonio, TX 78258
Phone
(210) 946-1300
Enumerated
Apr 3, 2019
Record last updated
Oct 16, 2023
Fax
(210) 946-1700
Medicare enrollment
Enrolled (PECOS I20230623002107); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2019
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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Also registered at 502 Madison Oak Dr Ste 440

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

  1. Kelly Cuen, MDObstetrics & Gynecology Physician1669900403
  2. Cassie Hagen, NPWomen's Health Nurse Practitioner1144768961
  3. Sarah Lewis, FNP-CFamily Nurse Practitioner1982184370

Verify Katherine Oliver Hall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U3226
    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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22% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

128 Medicare Part D claims for 43 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Katherine Hall128
  2. Specialty average165

Most prescribed

  1. Estradiol28 claims
  2. Valacyclovir17 claims
  3. Clobetasol Propionate11 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: $437.92

21 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Hall$437.92
  2. Specialty average$1,030.61

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. Women Partners IN Ob/gyn LLPSan Antonio, TX

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

Obstetrics & Gynecology Physician providers in Texas

There are 3,524 obstetrics & gynecology physician records in Texas.

Other obstetrics & gynecology physician records in Texas

  1. Soroush Aalipourbirgani, MDHouston, TX1144859901
  2. Dennis Abbas, M.D.Dallas, TX1013928720
  3. Mina Abbassi-Ghanavati, MDDallas, TX1154509610
  4. Lillian Abbott, MDWebster, TX1114989316
  5. Azza AbdallaSeguin, TX1659725539
  6. Jasmin Abdeldayem, MDHouston, TX1962086462
  7. Fathma Abdulkhader, MDGalveston, TX1578491866
  8. Shannon Abikhaled, MDAustin, TX1699762427
  9. Oluwatomilona Abiodun, MDAustin, TX1649857160
  10. Ahmed Abouseif, MBBCHHouston, TX1831722339

Common questions

What is Katherine Oliver Hall, MD's NPI number?

Katherine Oliver Hall, MD's National Provider Identifier (NPI) is 1497217046, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Oliver Hall, MD located?

The NPPES record lists a practice address at 502 Madison Oak Dr Ste 440, San Antonio, TX, 78258. Phone: (210) 946-1300. Providers update this record themselves, so call before visiting.

How can I verify Katherine Oliver Hall, MD's license?

NPPES lists Texas license number U3226, 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 Katherine Oliver Hall, MD prescribe under Medicare Part D?

In 2024, Katherine Oliver Hall, MD had 128 Medicare Part D claims for 43 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.

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.