William Harrison Schmaus, DO
Internal Medicine Physician · Wichita Falls, TX
William Harrison Schmaus, DO is an internal medicine physician with a practice address in Wichita Falls, Texas, and NPI 1124589973, issued on Mar 26, 2019. Check the license (Texas T8043, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Harrison Schmaus
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- T8043 TX
OS19175 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1631 11TH Street, Wichita Falls, TX 76301
- Phone
- (940) 263-3000
- Enumerated
- Mar 26, 2019
- Record last updated
- Nov 27, 2024
- Fax
- (940) 263-3018
- Medicare enrollment
- Enrolled (PECOS I20241126001307); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1631 11TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brooke CallenAcute Care Nurse Practitioner1801668868
- Vivian Ekechukwu, DOInternal Medicine Physician1518457662
Verify William Harrison Schmaus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T8043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
374 Medicare Part D claims for 166 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 16 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa37 claims
- Atorvastatin Calcium20 claims
- Trelegy Ellipta19 claims
- Furosemide17 claims
- Sulfamethoxazole-Trimethoprim16 claims
- Eliquis15 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: $92.63
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Eastside Hospitalists IncHollywood, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Harrison Schmaus among 9,175 internal medicine physician records in Texas
William Harrison Schmaus, DO is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 internal medicine physician records list a practice address in Wichita Falls
They are 49 of the 1,938 NPPES records with a practice address in Wichita Falls, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Wichita Falls → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Elmer Alger, MDWichita Falls, TX 763011356346563
- Tilahun Belay, MDWichita Falls, TX 763011902199250
- Myrna De Asis, M.D.Wichita Falls, TX 763011043214406
- Raja Rajeswari DiviWichita Falls, TX 763011083889703
- Bukola EshoWichita Falls, TX 763011609225341
- Bhavika Gandhi, M.D.Wichita Falls, TX 763011790148112
- Sunil Kongara, M.D.Wichita Falls, TX 763011144632167
- Jose Lim, M.D.Wichita Falls, TX 763011548379696
Common questions
What is William Harrison Schmaus, DO's NPI number?
William Harrison Schmaus, DO's National Provider Identifier (NPI) is 1124589973, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William Harrison Schmaus, DO located?
The NPPES record lists a practice address at 1631 11TH Street, Wichita Falls, TX, 76301. Phone: (940) 263-3000. Providers update this record themselves, so call before visiting.
How can I verify William Harrison Schmaus, DO's license?
NPPES lists Texas license number T8043, 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 William Harrison Schmaus, DO prescribe under Medicare Part D?
In 2024, William Harrison Schmaus, DO had 374 Medicare Part D claims for 166 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.