Nancy Ann Mathew, DO
Internal Medicine Physician · Austin, TX
Nancy Ann Mathew, DO is an internal medicine physician with a practice address in Austin, Texas, and NPI 1063441590, issued on Jun 30, 2006. Check the license (Texas M0166, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nancy Ann Mathew
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M0166 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1210 W Braker LN, Austin, TX 78758
- Phone
- (512) 978-9300
- Enumerated
- Jun 30, 2006
- Record last updated
- Feb 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (512) 279-2556
- Medicare enrollment
- Enrolled (PECOS I20050624000215); may accept Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1210 W Braker LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy Ann Mathew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M0166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
961 Medicare Part D claims for 62 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.
Most prescribed
- Atorvastatin Calcium81 claims
- Amlodipine Besylate50 claims
- Levothyroxine Sodium50 claims
- Lisinopril41 claims
- Losartan Potassium40 claims
- Gabapentin38 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
- Central Texas Community Health CentersAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Ann Mathew among 9,175 internal medicine physician records in Texas
Nancy Ann Mathew, 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 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
- Graduated2002 · median 2004 among the 6,088 with a school on file
- Record last updated2015 · 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).
606 internal medicine physician records list a practice address in Austin
They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yolanda Clay-Po, M.D.Austin, TX 787581164405833
- Charles Felger, MDAustin, TX 787581235105289
- Frederick Fung, MDAustin, TX 787581275509291
- Laura Guerrero, MDAustin, TX 787581619944725
- William Lewis, DOAustin, TX 787581265401350
- Malik Merchant, MDAustin, TX 787581245238534
- Meen Misra, M.D.Austin, TX 787581336134105
- Anjali Nemawarkar, MDAustin, TX 787581093779555
Common questions
What is Nancy Ann Mathew, DO's NPI number?
Nancy Ann Mathew, DO's National Provider Identifier (NPI) is 1063441590, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Ann Mathew, DO located?
The NPPES record lists a practice address at 1210 W Braker LN, Austin, TX, 78758. Phone: (512) 978-9300. Providers update this record themselves, so call before visiting.
How can I verify Nancy Ann Mathew, DO's license?
NPPES lists Texas license number M0166, 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 Nancy Ann Mathew, DO prescribe under Medicare Part D?
In 2024, Nancy Ann Mathew, DO had 961 Medicare Part D claims for 62 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.