Dr. Brian D. Johnston, MD
- Medicare services, 2020
- 27
- Part D claims, 2017
- 29
- Publications
- 90
- Hospital affiliations
- 2
- Industry payments
- $390
- Practice address
- 700 River Drive, Fort Bragg, CA 95437
- Practice phone
- Call (707) 961-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnston's professional email, personal email and mobile number
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Dr. Brian D. Johnston is an emergency medicine physician in Fort Bragg, California
Dr. Johnston practices at Adventist Health Mendocino Coast in Fort Bragg, California, part of Adventist Health.
Dr. Johnston's NPI, 1235184367, was assigned on May 24, 2006. Dr. Johnston graduated from UCSF School of Medicine in 1969. Dr. Johnston holds California license A23994.
- NPI
- 1235184367NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Practice phone
- (707) 961-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Brian D. Johnston practices at Adventist Health Mendocino Coast in Fort Bragg, California
Dr. Johnston's primary practice is Adventist Health Mendocino Coast, at 700 River Drive, Fort Bragg, CA 95437 in Mendocino County. The practice phone is (707) 961-1234.
- Adventist Health Mendocino Coast700 River Drive, Fort Bragg, CA 95437 · Mendocino CountyPhone(707) 961-1234
Source: Dmand AI Affiliation Data
Dr. Brian D. Johnston is affiliated with 2 sites of care and 1 medical group
Dr. Johnston's primary practice is Adventist Health Mendocino Coast in Fort Bragg, California, part of Adventist Health. Dr. Johnston is also affiliated with Adventist Health White Memorial. The medical group on file is Victory Emergency Physicians Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian D. Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Mendocino Coast | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brian D. Johnston is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnston is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Johnston
Counts of emergency medicine 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. Brian D. Johnston billed Medicare for 27 services in 2020
CMS data shows 27 Medicare services from Dr. Johnston across 2 procedure codes in 2020. Medicare paid $1,826 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnston's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 362020: 1461%
- Tests and treatments
- 2019: 252020: 1348%
Dr. Johnston compared with the California median for emergency medicine physicians, 2020
- Dr. Johnston
- California median
- Medicare services
- 27vs 26590% below
- Part D claims
- 29vs 6253% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Johnston's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Johnston?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnston and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian D. Johnston's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 46, with 83% women.
Dr. Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women83%
- Men17%
Source: Dmand AI Patient Panel Data
Dr. Brian D. Johnston wrote 29 Medicare Part D claims in 2017
In 2017, Dr. Johnston wrote 29 Medicare Part D claims. They cover 2 drugs, with $192 in total drug cost. In 2016, CMS named 63 claims across 3 drugs.
Dr. Johnston's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 632017: 2954%
Drugs named by CMS: 2 in 2017, 3 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Brian D. Johnston has 90 publications on record
Dmand AI links 90 papers to Dr. Johnston, published from 2010 to 2025. 2021 was the busiest year, with 7. The most frequent topics are Escherichia coli, Escherichia coli Infections and Anti-Bacterial Agents. Dr. Johnston has published most often in Antimicrob Agents Chemother. Dr. Johnston's most frequent co-authors are Ritu Banerjee, MD, Scott J. Weissman and Ari A. Robicsek, MD.
Dr. Johnston's papers by year, 2016 to 2025
Topics Dr. Johnston writes about most
- Escherichia coli
- Escherichia coli Infections
- Anti-Bacterial Agents
- Drug Resistance, Multiple, Bacterial
- Genotype
- Microbial Sensitivity Tests
- beta-Lactamases
- Phylogeny
Dr. Johnston's most frequent co-authors
Recent publications by Dr. Johnston
Am J Infect Control
See who Dr. Johnston researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnston works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian D. Johnston received $390 in industry payments from 2016 to 2020
CMS Open Payments shows 17 general payments to Dr. Johnston from 8 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $172.
General payments to Dr. Johnston by program year, 2016 to 2020
Companies that paid Dr. Johnston the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian D. Johnston graduated from UCSF School of Medicine
Dr. Johnston graduated from UCSF School of Medicine in 1969.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian D. Johnston'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Brian D. Johnston
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. Brian D. Johnston's NPI number?
Dr. Brian D. Johnston's NPI number is 1235184367. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian D. Johnston?
Dr. Brian D. Johnston is an emergency medicine physician in Fort Bragg, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Brian D. Johnston practice?
Dr. Johnston practices at 700 River Drive, Fort Bragg, CA 95437. Dr. Johnston's primary practice is Adventist Health Mendocino Coast in Fort Bragg, California, part of Adventist Health.
What is Dr. Brian D. Johnston's office phone number?
The practice phone on file for Dr. Johnston is (707) 961-1234.
What is Dr. Brian D. Johnston's medical license number?
Dr. Johnston holds California license A23994.
Which hospitals is Dr. Brian D. Johnston affiliated with?
Dr. Johnston practices at Adventist Health Mendocino Coast in Fort Bragg, California. Dr. Johnston is also affiliated with Adventist Health White Memorial.
What medical group is Dr. Brian D. Johnston part of?
Dr. Johnston is linked to Victory Emergency Physicians Medical Group.
Does Dr. Brian D. Johnston accept Medicare?
Yes. CMS data shows Dr. Johnston billed Medicare for 27 services in 2020.
What services does Dr. Brian D. Johnston bill to Medicare?
In 2020, Dr. Johnston's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Brian D. Johnston go to medical school?
Dr. Johnston graduated from UCSF School of Medicine in 1969.
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What drugs does Dr. Brian D. Johnston prescribe most?
In 2017 Medicare Part D data, Dr. Johnston's most prescribed drugs by claims were Acetaminophen-Codeine and Meclizine HCl.
Has Dr. Brian D. Johnston received payments from drug or device companies?
CMS Open Payments shows $390 in general payments to Dr. Johnston from 8 companies from 2016 to 2020. The largest total came from Allergan Inc.
How long has Dr. Brian D. Johnston been practicing?
Dr. Johnston graduated from medical school in 1969, 57 years ago.
Does Dr. Brian D. Johnston do research?
Dmand AI links 90 publications to Dr. Johnston, published from 2010 to 2025.
Who does Dr. Brian D. Johnston publish with?
Dr. Johnston's most frequent co-authors are Ritu Banerjee, MD (6 shared papers), Scott J. Weissman (6 shared papers) and Ari A. Robicsek, MD (4 shared papers).
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