IndividualActive
John Mcdonnold, D.O.
NPI 1578742649 · Emergency Medicine Physician · Brenham, TX
John Mcdonnold, D.O. is a Emergency Medicine Physician provider in Brenham, TX (NPI 1578742649).
Provider details
- NPI number
- 1578742649
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- J1310 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2455 Clay Creek Rd
Brenham, TX 77833-6328
Phone: (979) 251-8210
Street-level locationGet directions
Mailing address
2455 Clay Creek Rd
Brenham, TX 77833-6328
Registry dates
- Enumerated
- 2007-10-25
- Last updated
- 2008-05-05
Frequently asked questions
- What is John Mcdonnold's NPI number?
- John Mcdonnold's National Provider Identifier (NPI) is 1578742649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mcdonnold's specialty?
- John Mcdonnold is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Mcdonnold located?
- John Mcdonnold's practice location on file with NPPES is 2455 Clay Creek Rd, Brenham, TX 77833-6328.
- What is John Mcdonnold's phone number?
- The practice phone number listed in the NPPES registry for John Mcdonnold is (979) 251-8210.
- Is John Mcdonnold's NPI active?
- Yes — John Mcdonnold's NPI (1578742649) is active in the NPPES registry as of the last update on 2008-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.