Isadora Sande Mathias, MD
Cardiovascular Disease Physician · Round Rock, TX
Isadora Sande Mathias, MD is a cardiovascular disease physician with a practice address in Round Rock, Texas, and NPI 1689169716, issued on Jul 1, 2018. Check the license (Texas 47006148, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isadora Sande Mathias
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 47006148 TX
Self-reported in NPPES; status is on the state search - Practice location
- 302 University Blvd, Round Rock, TX 78665
- Phone
- (512) 509-0200
- Enumerated
- Jul 1, 2018
- Record last updated
- Dec 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250827000586); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,603 in Texas → Look up another NPI →
Also registered at 302 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Colleen BaslerOrthopedic Physical Therapist1538193768
- Mary Becker, FNPFamily Nurse Practitioner1285999177
- Jordan BeckhamPhysician Assistant1871454108
Verify Isadora Sande Mathias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license 47006148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
12 Medicare Part D claims, against an average of 3,078 among the 20,728 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.
Industry payments in 2024: $1,938.32
59 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 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
- Scott And White ClinicAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isadora Sande Mathias among 1,603 cardiovascular disease physician records in Texas
Isadora Sande Mathias, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2017 · median 1998 among the 1,219 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Texas
There are 1,603 cardiovascular disease physician records in Texas.
All 1,603 in Texas → Every provider in Round Rock → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Leticia Castillo Kontak, MDRound Rock, TX 786651891994968
- Jaime Hernandez Montfort, M.D.Round Rock, TX 786651235389149
- Andrew Kontak, MDRound Rock, TX 786651447469077
- Shanti Nulu, MDRound Rock, TX 786651699961938
- Aditi Shankar, MBBSRound Rock, TX 786651942707252
- Amy Stancoven, MDRound Rock, TX 786651790986354
- Lakshya Trivedi, MDRound Rock, TX 786651932668977
- Dan Vaisman, M.D.Round Rock, TX 786651558339663
Common questions
What is Isadora Sande Mathias, MD's NPI number?
Isadora Sande Mathias, MD's National Provider Identifier (NPI) is 1689169716, issued on Jul 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Isadora Sande Mathias, MD located?
The NPPES record lists a practice address at 302 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0200. Providers update this record themselves, so call before visiting.
How can I verify Isadora Sande Mathias, MD's license?
NPPES lists Texas license number 47006148, 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 Isadora Sande Mathias, MD prescribe under Medicare Part D?
In 2024, Isadora Sande Mathias, MD had 12 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.