Charles Guido Cox, MD
Gastroenterology Physician · Austin, TX
Charles Guido Cox, MD is a gastroenterology physician with a practice address in Austin, Texas, and NPI 1760467443, issued on Dec 14, 2005. Check the license (Texas R0379, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles Guido Cox
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- R0379 TX
G40851 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5339 N IH 35 Ste 100, Austin, TX 78723
- Phone
- (512) 978-8130
- Enumerated
- Dec 14, 2005
- Record last updated
- Oct 13, 2025
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 5339 N IH 35 Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deepak Agrawal, MDGastroenterology Physician1417174707
- Harika Balagoni, M.DGastroenterology Physician1952783557
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- Michelle Lubetzky, MDNephrology Physician1285892141
- Valerie Maclaurin, APRN, CPNP-AC/PCPediatric Nurse Practitioner1003054735
Verify Charles Guido Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R0379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average gastroenterology physician in 2024
48 Medicare Part D claims for 18 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Creon16 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.
Charles Guido Cox among 1,478 gastroenterology physician records in Texas
Charles Guido Cox, MD is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Austin → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Deepak Agrawal, MDAustin, TX 787231417174707
- Harika Balagoni, M.DAustin, TX 787231952783557
- Frank Adams, D.O.Austin, TX 787301508841180
- Yasir Al-Abboodi, MDAustin, TX 787311295095081
- Maria Chiejina, M.D.Austin, TX 787311609214501
- George Kitzmiller, M.D.Austin, TX 787311841276748
- Thomas McHorse, MDAustin, TX 787311083614523
- Neema Saraiya, MDAustin, TX 787311851736078
Common questions
What is Charles Guido Cox, MD's NPI number?
Charles Guido Cox, MD's National Provider Identifier (NPI) is 1760467443, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles Guido Cox, MD located?
The NPPES record lists a practice address at 5339 N IH 35 Ste 100, Austin, TX, 78723. Phone: (512) 978-8130. Providers update this record themselves, so call before visiting.
How can I verify Charles Guido Cox, MD's license?
NPPES lists Texas license number R0379, 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 Charles Guido Cox, MD prescribe under Medicare Part D?
In 2024, Charles Guido Cox, MD had 48 Medicare Part D claims for 18 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.