Dr. Brett Allan Johnson, MD
- Part D claims, 2023
- 29
- Hospital affiliations
- 1
- Industry payments
- $76
- Medical group
- 1
- State license
- 1
- Practice address
- 2400 N Interstate Highway 35E, Waxahachie, TX 75165
- Practice phone
- Call (972) 923-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Brett Allan Johnson is a general practice physician in Waxahachie, Texas
Dr. Johnson practices at Baylor Scott & White Medical Center - Waxahachie in Waxahachie, Texas, part of Baylor Scott & White Health.
Dr. Johnson's NPI, 1235703455, was assigned on May 13, 2021. Dr. Johnson holds Illinois license 036169152.
- NPI
- 1235703455NPI Registry (opens in a new tab)
- NPI enumeration date
- May 13, 2021
- NPI status
- Active
- Practice phone
- (972) 923-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Brett Allan Johnson practices at Baylor Scott & White Medical Center - Waxahachie in Waxahachie, Texas
Dr. Johnson's primary practice is Baylor Scott & White Medical Center - Waxahachie, at 2400 N Interstate Highway 35E, Waxahachie, TX 75165 in Ellis County. The practice phone is (972) 923-7000.
- Baylor Scott & White Medical Center - Waxahachie2400 N Interstate Highway 35E, Waxahachie, TX 75165 · Ellis CountyPhone(972) 923-7000
Source: Dmand AI Affiliation Data
Dr. Brett Allan Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Baylor Scott & White Medical Center - Waxahachie in Waxahachie, Texas, part of Baylor Scott & White Health. The medical group on file is Signify Health. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brett Allan Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baylor Scott & White Medical Center - Waxahachie | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Baylor Scott & White Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brett Allan Johnson is one of 800 general practice physicians in Texas
General practice is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Johnson is licensed in Illinois.
Specialties and state licenses
- General practice, IllinoisPrimary
General practice physicians near Dr. Johnson
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brett Allan Johnson's patients have a median age of 26
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 26, with 75% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 26
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
Dr. Brett Allan Johnson wrote 29 Medicare Part D claims in 2023
In 2023, Dr. Johnson wrote 29 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $104 in total drug cost.
Dr. Johnson's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Brett Allan Johnson received $76 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. Johnson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. W. L. Gore & Associates, Inc. paid the most, $61.
Companies that paid Dr. Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brett Allan Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brett Allan Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brett Allan Johnson's NPI number?
Dr. Brett Allan Johnson's NPI number is 1235703455. It was assigned on May 13, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Brett Allan Johnson?
Dr. Brett Allan Johnson is a general practice physician in Waxahachie, Texas. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Brett Allan Johnson practice?
Dr. Johnson practices at 2400 N Interstate Highway 35E, Waxahachie, TX 75165. Dr. Johnson's primary practice is Baylor Scott & White Medical Center - Waxahachie in Waxahachie, Texas, part of Baylor Scott & White Health. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Brett Allan Johnson's office phone number?
The practice phone on file for Dr. Johnson is (972) 923-7000.
What is Dr. Brett Allan Johnson's medical license number?
Dr. Johnson holds Illinois license 036169152.
Which hospitals is Dr. Brett Allan Johnson affiliated with?
Dr. Johnson practices at Baylor Scott & White Medical Center - Waxahachie in Waxahachie, Texas.
What medical group is Dr. Brett Allan Johnson part of?
Dr. Johnson is linked to Signify Health.
What drugs does Dr. Brett Allan Johnson prescribe most?
In 2023 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Ondansetron HCl and Tramadol HCl.
Has Dr. Brett Allan Johnson received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to Dr. Johnson from 2 companies from 2025 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Brett Allan Johnson been practicing?
Dr. Johnson's NPI was assigned in 2021.
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