John Thomas McDonnold, D.O.
Emergency Medicine Physician · Brenham, TX
John Thomas McDonnold, D.O. is an emergency medicine physician with a practice address in Brenham, Texas, and NPI 1578742649, issued on Oct 25, 2007. Check the license (Texas J1310, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Thomas McDonnold
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- J1310 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2455 Clay Creek RD, Brenham, TX 77833
- Phone
- (979) 251-8210
- Enumerated
- Oct 25, 2007
- Record last updated
- May 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Verify John Thomas McDonnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J1310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Thomas McDonnold among 4,885 emergency medicine physician records in Texas
John Thomas McDonnold, D.O. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 59% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 emergency medicine physician records list a practice address in Brenham
They are 6 of the 305 NPPES records with a practice address in Brenham, and 4,885 emergency medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,885 in Texas → Every provider in Brenham → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Cochran, M.D.Brenham, TX 778331841210721
- Dustin Corgan, M.D.Brenham, TX 778331821383316
- Joseph Degioanni, M.D.Brenham, TX 778331851311724
- Tiffany Riordan, M.D.Brenham, TX 778331457396087
- Chance Sims, D.O.Brenham, TX 778331447666979
- Joseph Jones, M.D.Caldwell, TX 778361225066541
- Joseph Piper, D.O.Caldwell, TX 778361902816952
- Tazeen AbbasCollege Station, TX 778401700346962
Common questions
What is John Thomas McDonnold, D.O.'s NPI number?
John Thomas McDonnold, D.O.'s National Provider Identifier (NPI) is 1578742649, issued on Oct 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas McDonnold, D.O. located?
The NPPES record lists a practice address at 2455 Clay Creek RD, Brenham, TX, 77833. Phone: (979) 251-8210. Providers update this record themselves, so call before visiting.
How can I verify John Thomas McDonnold, D.O.'s license?
NPPES lists Texas license number J1310, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.