John Sinclair Murray, M.D.
Internal Medicine Physician · Austin, TX
John Sinclair Murray, M.D. is an internal medicine physician with a practice address in Austin, Texas, and NPI 1831106509, issued on Aug 2, 2006. Check the license (Texas F4317, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Sinclair Murray
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- F4317 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2911 Medical Arts St # 18, Austin, TX 78705
- Phone
- (512) 476-6223
- Enumerated
- Aug 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify John Sinclair Murray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F4317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,055 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium201 claims
- Losartan Potassium164 claims
- Amlodipine Besylate132 claims
- Hydrochlorothiazide97 claims
- Levothyroxine Sodium83 claims
- Metoprolol Succinate60 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.
John Sinclair Murray among 9,175 internal medicine physician records in Texas
John Sinclair Murray, 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 fileNo · 66% of these records are
- Record last updated2007 · 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
- Anthony Aventa, MDAustin, TX 787051801875034
- Sunil Cheruku, MDAustin, TX 787051235173345
- Nancy Foster, MDAustin, TX 787051588664957
- Robert Groves, MDAustin, TX 787051124007356
- Manjusha Gupte, MDAustin, TX 787051851387500
- Samson Jesudass, M.D.Austin, TX 787051619911385
- Jonathan Klocek, MDAustin, TX 787051265412910
- Kenneth Kroll, MDAustin, TX 787051831179589
Common questions
What is John Sinclair Murray, M.D.'s NPI number?
John Sinclair Murray, M.D.'s National Provider Identifier (NPI) is 1831106509, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Sinclair Murray, M.D. located?
The NPPES record lists a practice address at 2911 Medical Arts St # 18, Austin, TX, 78705. Phone: (512) 476-6223. Providers update this record themselves, so call before visiting.
How can I verify John Sinclair Murray, M.D.'s license?
NPPES lists Texas license number F4317, 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 John Sinclair Murray, M.D. prescribe under Medicare Part D?
In 2024, John Sinclair Murray, M.D. had 2,055 Medicare Part D claims for 247 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.