JMIR Public Health Surveill
Dr. Keith Angelo Johnstone Sr., MD
- Medicare services, 2024
- 413
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 2,626
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 7300 North Fresno St, Fresno, CA 93720
- Practice phone
- Call (559) 448-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnstone'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. Keith Angelo Johnstone Sr. is an interventional cardiologist in Fresno, California
Dr. Johnstone practices at Kaiser Permanente Fresno Medical Center in Fresno, California, part of Kaiser Permanente.
Dr. Johnstone's NPI, 1760466049, was assigned on December 1, 2005. Dr. Johnstone graduated from University of Michigan Medical School in 1983. Dr. Johnstone holds Michigan license 4301048096.
- NPI
- 1760466049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850395500
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 448-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keith Angelo Johnstone Sr. practices at Kaiser Permanente Fresno Medical Center in Fresno, California
Dr. Johnstone's primary practice is Kaiser Permanente Fresno Medical Center, at 7300 North Fresno St, Fresno, CA 93720 in Fresno County. The practice phone is (559) 448-4500.
- Kaiser Permanente Fresno Medical Center7300 North Fresno St, Fresno, CA 93720 · Fresno CountyPhone(559) 448-4500
Source: Dmand AI Affiliation Data
Dr. Keith Angelo Johnstone Sr. is affiliated with 2 sites of care and 2 medical groups
Dr. Johnstone's primary practice is Kaiser Permanente Fresno Medical Center in Fresno, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Johnstone to 1 more physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keith Angelo Johnstone Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnstone practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Fresno Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Keith Angelo Johnstone Sr. is one of 582 interventional cardiologists in California
Interventional cardiology is Dr. Johnstone's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Johnstone is licensed in Michigan.
Specialties and state licenses
- Interventional cardiology, MichiganPrimary
Interventional cardiologists near Dr. Johnstone
Counts of interventional cardiologists 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. Keith Angelo Johnstone Sr. billed Medicare for 413 services in 2024
CMS data shows 413 Medicare services from Dr. Johnstone across 5 procedure codes in 2024, for 116 Medicare patients. Medicare paid $24,648 for them. Every service was in an office.
Dr. Johnstone's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3802024: 25034%
- Tests and treatments
- 2023: 1562024: 1634%
Dr. Johnstone compared with the California median for interventional cardiologists, 2024
- Dr. Johnstone
- California median
- Medicare services
- 413vs 2,38783% below
- Medicare patients
- 116vs 75185% below
- Part D claims
- 2,456vs 1,82635% above
Medians across 573 interventional cardiologists in California with Dmand AI profiles that report each measure.
Dr. Johnstone's most billed Medicare procedure codes, 2024
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. Johnstone?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnstone and other interventional cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keith Angelo Johnstone Sr. treated 116 Medicare patients in 2024, average age 74
CMS counts 116 Medicare patients who saw Dr. Johnstone in 2024. The largest group is 75 to 84, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnstone's median patient age at 69, with 60% women.
Dr. Johnstone's Medicare patients by age, 2024
Dr. Johnstone's Medicare patients by sex, 2024
- Women7565%
- Men4135%
Chronic conditions among Dr. Johnstone's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes54%
- Chronic kidney disease53%
- Ischemic heart disease41%
- Heart failure37%
- COPD31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnstone's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keith Angelo Johnstone Sr. wrote 2,626 Medicare Part D claims in 2024
In 2024, Dr. Johnstone wrote 2,626 Medicare Part D claims for 407 patients. 88% of them were for generic drugs. CMS names the drug for 2,456 of them, across 37 drugs with 11 or more claims each, at $251,019 in total drug cost. In 2023, CMS named 2,229 claims across 34 drugs.
Dr. Johnstone's Part D claims by kind of drug, 2024
- Generic2,323 claims88%
- Brand-name303 claims12%
Dr. Johnstone's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2292024: 2,45610%
Drugs named by CMS: 37 in 2024, 34 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Keith Angelo Johnstone Sr. takes part in Medicare
Dr. Johnstone accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Keith Angelo Johnstone Sr. has 2 publications on record
Dmand AI links 2 papers to Dr. Johnstone in 2020. Dr. Johnstone's most frequent co-author is Cornelius Dijon Jamison, MD.
Dr. Johnstone's most frequent co-authors
Recent publications by Dr. Johnstone
See who Dr. Johnstone researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnstone works with, so you can find a warm path to the right interventional cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Keith Angelo Johnstone Sr. received $8,545 in industry payments from 2016 to 2025
CMS Open Payments shows 299 general payments to Dr. Johnstone from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 80% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $1,138.
General payments to Dr. Johnstone by program year, 2016 to 2025
General payments to Dr. Johnstone by kind, 2016 to 2025
- Food and beverage$6,83680%
- Travel and lodging$1,65819%
- Education$511%
Companies that paid Dr. Johnstone the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Keith Angelo Johnstone Sr. graduated from University of Michigan Medical School
Dr. Johnstone graduated from University of Michigan Medical School in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Keith Angelo Johnstone Sr.'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Keith Angelo Johnstone Sr.
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. Keith Angelo Johnstone Sr.'s NPI number?
Dr. Keith Angelo Johnstone Sr.'s NPI number is 1760466049. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith Angelo Johnstone Sr.?
Dr. Keith Angelo Johnstone Sr. is an interventional cardiologist in Fresno, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Keith Angelo Johnstone Sr. practice?
Dr. Johnstone practices at 7300 North Fresno St, Fresno, CA 93720. Dr. Johnstone's primary practice is Kaiser Permanente Fresno Medical Center in Fresno, California, part of Kaiser Permanente. Dmand AI also links Dr. Johnstone to 1 physician office and 1 medical group.
What is Dr. Keith Angelo Johnstone Sr.'s office phone number?
The practice phone on file for Dr. Johnstone is (559) 448-4500.
What is Dr. Keith Angelo Johnstone Sr.'s medical license number?
Dr. Johnstone holds Michigan license 4301048096.
Which hospitals is Dr. Keith Angelo Johnstone Sr. affiliated with?
Dr. Johnstone practices at Kaiser Permanente Fresno Medical Center in Fresno, California.
What medical group is Dr. Keith Angelo Johnstone Sr. part of?
Dr. Johnstone is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Johnstone to 1 more medical group.
Does Dr. Keith Angelo Johnstone Sr. accept Medicare?
Yes. CMS data shows Dr. Johnstone billed Medicare for 413 services in 2024, and Dr. Johnstone accepts Medicare assignment.
How many Medicare patients does Dr. Keith Angelo Johnstone Sr. see?
CMS counts 116 Medicare patients who saw Dr. Johnstone in 2024, with an average age of 74.
What services does Dr. Keith Angelo Johnstone Sr. bill to Medicare?
In 2024, Dr. Johnstone's most billed Medicare services were office visit, established patient (99213), heart test or procedure (93000) and heart test or procedure (93306).
Show 6 more questionsShow fewer questions
Where did Dr. Keith Angelo Johnstone Sr. go to medical school?
Dr. Johnstone graduated from University of Michigan Medical School in 1983.
What drugs does Dr. Keith Angelo Johnstone Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Johnstone's most prescribed drugs by claims were Losartan Potassium, Metoprolol Succinate and Amlodipine Besylate.
Has Dr. Keith Angelo Johnstone Sr. received payments from drug or device companies?
CMS Open Payments shows $8,545 in general payments to Dr. Johnstone from 35 companies from 2016 to 2025. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Keith Angelo Johnstone Sr. been practicing?
Dr. Johnstone graduated from medical school in 1983, 43 years ago.
Does Dr. Keith Angelo Johnstone Sr. do research?
Dmand AI links 2 publications to Dr. Johnstone.
Who does Dr. Keith Angelo Johnstone Sr. publish with?
Dr. Johnstone's most frequent co-authors are Cornelius Dijon Jamison, MD (1 shared paper).
Selling to interventional cardiology practices?
See interventional cardiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card