Horacio Guillermo Hau, MD
Family Medicine Physician · Corpus Christi, TX
Horacio Guillermo Hau, MD is a family medicine physician with a practice address in Corpus Christi, Texas, and NPI 1386840197, issued on Jun 27, 2007. Check the license (Texas M6180, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Horacio Guillermo Hau
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- M6180 TX
35C.002125 OH
Self-reported in NPPES; status is on the state search - Practice location
- 6629 Wooldridge RD, Corpus Christi, TX 78414
- Phone
- (361) 673-3613
- Enumerated
- Jun 27, 2007
- Record last updated
- May 2, 2025
- Medicaid ID
- 200308901 TX
- Medicare enrollment
- Enrolled (PECOS I20071107000481); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 6629 Wooldridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aren Karasick, LPC-ASSOCIATEMental Health Counselor1083535439
- Betty Ko, JD, MA, LPC-AProfessional Counselor1225742497
- Lauren Lanza, LCSWClinical Social Worker1952069155
- Rachel Rhodes, D.O.Child & Adolescent Psychiatry Physician1265878508
Verify Horacio Guillermo Hau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M6180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
900 Medicare Part D claims for 108 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Esomeprazole Magnesium85 claims
- Lacosamide70 claims
- Alendronate Sodium64 claims
- Atorvastatin Calcium50 claims
- Levetiracetam44 claims
- Levothyroxine Sodium44 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.
Bills Medicare through one group practice
- Hospital Medicine Services OF TX, PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Horacio Guillermo Hau among 11,119 family medicine physician records in Texas
Horacio Guillermo Hau, MD is one of 11,119 family 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2004 among the 7,095 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
193 family medicine physician records list a practice address in Corpus Christi
They are 193 of the 5,600 NPPES records with a practice address in Corpus Christi, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Corpus Christi → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Bolster, M.D.Corpus Christi, TX 784141033227723
- Catherine Bussieres, M.D.Corpus Christi, TX 784141619984457
- Crystal Campos Valls, M.D.Corpus Christi, TX 784141679508360
- Robert Caro, MDCorpus Christi, TX 784141316944903
- Baldemar Covarrubias, MDCorpus Christi, TX 784141033191135
- Brandon Hamisch, D.O.Corpus Christi, TX 784141841245552
- Marian Hendricks, D.O.Corpus Christi, TX 784141114915451
- Frank Martinez, M.D.Corpus Christi, TX 784141235237553
Common questions
What is Horacio Guillermo Hau, MD's NPI number?
Horacio Guillermo Hau, MD's National Provider Identifier (NPI) is 1386840197, issued on Jun 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Horacio Guillermo Hau, MD located?
The NPPES record lists a practice address at 6629 Wooldridge RD, Corpus Christi, TX, 78414. Phone: (361) 673-3613. Providers update this record themselves, so call before visiting.
How can I verify Horacio Guillermo Hau, MD's license?
NPPES lists Texas license number M6180, 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 Horacio Guillermo Hau, MD prescribe under Medicare Part D?
In 2024, Horacio Guillermo Hau, MD had 900 Medicare Part D claims for 108 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.