Robert Joseph Ondash, M.D.
Internal Medicine Physician · West Lake Hills, TX
Robert Joseph Ondash, M.D. is an internal medicine physician with a practice address in West Lake Hills, Texas, and NPI 1053320069, issued on Aug 7, 2006. Check the license (Texas N7731, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Joseph Ondash
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N7731 TX
Self-reported in NPPES; status is on the state search - Practice location
- 912 S Capital OF Texas Hwy Ste 100, West Lake Hills, TX 78746
- Phone
- (512) 892-7076
- Enumerated
- Aug 7, 2006
- Record last updated
- May 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141210000903); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 912 S Capital OF Texas Hwy Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robina Poonawala, M.D.Family Medicine Physician1124025390
- Robert Postlewait, MDInternal Medicine Physician1396907366
Verify Robert Joseph Ondash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N7731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average internal medicine physician in 2024
4,018 Medicare Part D claims for 395 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 139 claims were for opioids.
Most prescribed
- Atorvastatin Calcium257 claims
- Amlodipine Besylate201 claims
- Levothyroxine Sodium148 claims
- Rosuvastatin Calcium136 claims
- Losartan Potassium130 claims
- Omeprazole102 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: $1,509.89
69 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- South Austin Family Practice Clinic, PLLCAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Joseph Ondash among 9,175 internal medicine physician records in Texas
Robert Joseph Ondash, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2004 among the 6,088 with a school on file
- Record last updated2018 · 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).
13 internal medicine physician records list a practice address in West Lake Hills
They are 13 of the 793 NPPES records with a practice address in West Lake Hills, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in West Lake Hills → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rehana Becker, MDWest Lake Hills, TX 787461780659797
- Shawn Chen, M.D.Austin, TX 787461710952668
- Gregorio Cortez, M.D.West Lake Hills, TX 787461508853268
- Richard Debehnke, MDWest Lake Hills, TX 787461174599617
- Jerry Hood, M.D.Austin, TX 787461356318455
- Shawn Laney, M.D.West Lake Hills, TX 787461740218585
- William Lockett, MDAustin, TX 787461174592265
- Matthew Masters, M.D.Austin, TX 787461568453934
Common questions
What is Robert Joseph Ondash, M.D.'s NPI number?
Robert Joseph Ondash, M.D.'s National Provider Identifier (NPI) is 1053320069, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joseph Ondash, M.D. located?
The NPPES record lists a practice address at 912 S Capital OF Texas Hwy Ste 100, West Lake Hills, TX, 78746. Phone: (512) 892-7076. Providers update this record themselves, so call before visiting.
How can I verify Robert Joseph Ondash, M.D.'s license?
NPPES lists Texas license number N7731, 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 Robert Joseph Ondash, M.D. prescribe under Medicare Part D?
In 2024, Robert Joseph Ondash, M.D. had 4,018 Medicare Part D claims for 395 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.