Sara Holzbauer De Castellanos, D.O.
Obstetrics & Gynecology Physician · Stephenville, TX
Sara Holzbauer De Castellanos, D.O. is an obstetrics & gynecology physician with a practice address in Stephenville, Texas, and NPI 1194929927, issued on Jun 14, 2007. Check the license (Texas T2340, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sara Holzbauer De Castellanos
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- T2340 TX
5101017199 MI
8110 SD
Self-reported in NPPES; status is on the state search - Practice location
- 725 N Graham St Ste 4, Stephenville, TX 76401
- Phone
- (254) 965-1156
- Enumerated
- Jun 14, 2007
- Record last updated
- Sep 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210928001971); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2007
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 725 N Graham St Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar Cabrera, M.D.Obstetrics & Gynecology Physician1699040899
- Jaime Grothouse, DOObstetrics & Gynecology Physician1194354936
Verify Sara Holzbauer De Castellanos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T2340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
43 Medicare Part D claims for 20 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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): 75.3 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: $265.80
9 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. 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
- Texas Health Physicians GroupStephenville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Holzbauer De Castellanos among 3,524 obstetrics & gynecology physician records in Texas
Sara Holzbauer De Castellanos, D.O. 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2005 among the 2,093 with a school on file
- Record last updated2021 · 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).
4 obstetrics & gynecology physician records list a practice address in Stephenville
They are 4 of the 410 NPPES records with a practice address in Stephenville, and 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Stephenville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Omar Cabrera, M.D.Stephenville, TX 764011699040899
- Jaime Grothouse, DOStephenville, TX 764011194354936
- Janie McMillion, M.D.Stephenville, TX 764011073519427
- James Cawley, M.D.Comanche, TX 764421942265871
- Etem Chu, M.DWichita Falls, TX 763101548421712
- Jamaan Kenner, M.DWichita Falls, TX 763101518312115
- Sumi King, M.D.Wichita Falls, TX 763101689624967
- Maxine Lingurar, MDWichita Falls, TX 763101508892886
Common questions
What is Sara Holzbauer De Castellanos, D.O.'s NPI number?
Sara Holzbauer De Castellanos, D.O.'s National Provider Identifier (NPI) is 1194929927, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sara Holzbauer De Castellanos, D.O. located?
The NPPES record lists a practice address at 725 N Graham St Ste 4, Stephenville, TX, 76401. Phone: (254) 965-1156. Providers update this record themselves, so call before visiting.
How can I verify Sara Holzbauer De Castellanos, D.O.'s license?
NPPES lists Texas license number T2340, 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 Sara Holzbauer De Castellanos, D.O. prescribe under Medicare Part D?
In 2024, Sara Holzbauer De Castellanos, D.O. had 43 Medicare Part D claims for 20 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Sara Holzbauer De Castellanos, D.O.'s MIPS final score?
The 2023 MIPS final score is 75.3 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.