Kathryn Swann Holloway, M.D.
Obstetrics & Gynecology Physician · San Antonio, TX
Kathryn Swann Holloway, M.D. is an obstetrics & gynecology physician with a practice address in San Antonio, Texas, and NPI 1417181967, issued on May 13, 2009. Check the license (Texas P7282, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kathryn Swann Holloway
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- P7282 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1139 E Sonterra Blvd Ste 205, San Antonio, TX 78258
- Phone
- (210) 614-2229
- Enumerated
- May 13, 2009
- Record last updated
- Jul 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130925000249); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2009
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 1139 E Sonterra Blvd Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathryn Swann Holloway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P7282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
612 Medicare Part D claims for 133 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Estradiol169 claims
- Progesterone114 claims
- Estradiol (Twice Weekly)46 claims
- Premarin36 claims
- Imvexxy18 claims
- Alendronate Sodium15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $444.96
25 payments; by number, the most common kind was food and beverage; the largest payer was Exeltis, USA Inc. 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.
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
- Unified Womens Healthcare OF Texas PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Swann Holloway among 3,524 obstetrics & gynecology physician records in Texas
Kathryn Swann Holloway, M.D. is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2005 among the 2,093 with a school on file
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in San Antonio → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Alka Arya-Degaetano, D.O.San Antonio, TX 782581295737450
- Jane Atkerson, MDSan Antonio, TX 782581023098100
- Charles Bigler, M.D.San Antonio, TX 782581265466833
- Scott Farhart, M.D.San Antonio, TX 782581467470021
- Glen Feinstein, MDSan Antonio, TX 782581356322465
- Susan Novak, M.D.San Antonio, TX 782581720075021
- Lynn Parente, M.D.San Antonio, TX 782581003891110
- Christopher Serrano, MDSan Antonio, TX 782581740283886
Common questions
What is Kathryn Swann Holloway, M.D.'s NPI number?
Kathryn Swann Holloway, M.D.'s National Provider Identifier (NPI) is 1417181967, issued on May 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Swann Holloway, M.D. located?
The NPPES record lists a practice address at 1139 E Sonterra Blvd Ste 205, San Antonio, TX, 78258. Phone: (210) 614-2229. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Swann Holloway, M.D.'s license?
NPPES lists Texas license number P7282, 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 Kathryn Swann Holloway, M.D. prescribe under Medicare Part D?
In 2024, Kathryn Swann Holloway, M.D. had 612 Medicare Part D claims for 133 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Kathryn Swann Holloway, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.