AdenocarcinomaStomach Neoplasms
Dr. David P. Johnston Jr., MD
NPI1548228133
- Medicare services, 2024
- 178
- Medicare patients, 2024
- 104
- Part D claims, 2024
- 44
- Publications
- 1
- MIPS score, 2024
- 82
- Practice address
- 1 Shircliff Way, Jacksonville, FL 32204
- Practice phone
- Call (904) 308-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension St. Vincent's Riverside
Jacksonville, Florida
Find Dr. Johnston's professional email, personal email and mobile number
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Dr. David P. Johnston Jr. is a general surgeon in Jacksonville, Florida
Dr. Johnston practices at Ascension St. Vincent's Riverside in Jacksonville, Florida.
Dr. Johnston's NPI, 1548228133, was assigned on May 3, 2006. Dr. Johnston graduated from University of Kansas School of Medicine - Kansas City in 1968. Dr. Johnston's Florida license number on file is ME24837.
NPI and contact details
- NPI
- 1548228133NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Practice phone
- (904) 308-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David P. Johnston Jr. practices at Ascension St. Vincent's Riverside in Jacksonville, Florida
Dr. Johnston's primary practice is Ascension St. Vincent's Riverside, at 1 Shircliff Way, Jacksonville, FL 32204 in Duval County. The practice phone is (904) 308-7300.
- Ascension St. Vincent's Riverside1 Shircliff Way, Jacksonville, FL 32204 · Duval CountyPhone(904) 308-7300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David P. Johnston Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Johnston's primary practice is Ascension St. Vincent's Riverside in Jacksonville, Florida. The medical group on file is North Florida Surgeons. Dmand AI also links Dr. Johnston to 1 more group practice or clinic, named with a free account.
Ascension St. Vincent's RiversidePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David P. Johnston Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent's Riverside | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David P. Johnston Jr. is one of 1,593 general surgeons in Florida
Surgery is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Johnston's licenses on file in 2 states: Florida and Minnesota.
Specialties and state licenses
- Surgery, FloridaPrimary
- Minnesota license
Clinical focus
Dmand AI lists gallbladder removal, groin hernia surgery, mastectomy and varicose vein treatment among the conditions Dr. Johnston treats.
General surgeons near Dr. Johnston
Counts of general surgeons 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. David P. Johnston Jr. billed Medicare for 178 services in 2024
CMS data shows 178 Medicare services from Dr. Johnston across 4 procedure codes in 2024, for 104 Medicare patients. Medicare paid $38,886 for them. Every service was in an office.
Medicare services, 2024178
Medicare patients104
Paid by Medicare$38,886
Procedure codes4
Dr. Johnston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 922024: 7420%
- Surgery
- 2023: 612024: 61No change
- Office and hospital visits
- 2023: 752024: 4343%
Dr. Johnston compared with the Florida median for general surgeons, 2024
- Dr. Johnston
- Florida median
- Medicare services
- 178vs 19810% below
- Medicare patients
- 104vs 13322% below
- Part D claims
- 12vs 4372% below
Medians across 1,425 general surgeons in Florida with Dmand AI profiles that report each measure.
Dr. Johnston'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnston and other general surgeons in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David P. Johnston Jr. treated 104 Medicare patients in 2024, average age 75
CMS counts 104 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 48 patients. 72% of them have high blood pressure, and 72% have high cholesterol. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 73, with 64% women.
Medicare patients, 2024104
Average age75
Average risk score1.24
Dr. Johnston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Johnston's Medicare patients by sex, 2024
- Women7572%
- Men2928%
Chronic conditions among Dr. Johnston's Medicare patients, 2024
- High blood pressure72%
- High cholesterol72%
- Arthritis58%
- Cancer45%
- Ischemic heart disease31%
- Diabetes30%
- Anxiety27%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
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 73
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David P. Johnston Jr. wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Johnston wrote 44 Medicare Part D claims for 18 patients. 86% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $144 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Part D claims, 202444
Drugs named by CMS1
Total drug cost$144
Part D patients18
Dr. Johnston's Part D claims by kind of drug, 2024
- Generic38 claims86%
- Brand-name and other6 claims14%
Dr. Johnston'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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 112024: 129%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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
Dr. David P. Johnston Jr. scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Johnston for performance year 2024, reported as part of a group.
Dr. Johnston's MIPS scores, performance year 2024
- 82of 100Final score
- 64.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David P. Johnston Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Johnston.
Papers1
Recent publications by Dr. Johnston
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 general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David P. Johnston Jr. received $25,967 in industry payments from 2016 to 2024
CMS Open Payments shows 83 general payments to Dr. Johnston from 41 drug and device companies from 2016 to 2024. Education make up the largest share, 92% of the total. AngioDynamics, Inc. paid the most, $24,135.
General payments to Dr. Johnston by program year, 2016 to 2024
General payments to Dr. Johnston by kind, 2016 to 2024
$26Kin total
- Education$24,00092%
- Food and beverage$1,9678%
Companies that paid Dr. Johnston the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David P. Johnston Jr. has 1 award and honors on record
Dmand AI lists 1 award for Dr. Johnston, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Johnston
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. David P. Johnston Jr. graduated from University of Kansas School of Medicine - Kansas City
Dr. Johnston graduated from University of Kansas School of Medicine - Kansas City in 1968. Dr. Johnston is a member of ACS.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. David P. Johnston Jr. accepts plans from 19 insurance carriers
Dr. Johnston is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Aspirus Health Plan
- +11 more carriersWith a free account
Plan types Dr. Johnston accepts, by number of carriers
- PPO12
- Medicare11
- HMO10
- POS6
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David P. Johnston Jr.'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 | Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. David P. Johnston Jr.
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. David P. Johnston Jr.'s NPI number?
Dr. David P. Johnston Jr.'s NPI number is 1548228133. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David P. Johnston Jr.?
Dr. David P. Johnston Jr. is a general surgeon in Jacksonville, Florida. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David P. Johnston Jr. practice?
Dr. Johnston practices at 1 Shircliff Way, Jacksonville, FL 32204. Dr. Johnston's primary practice is Ascension St. Vincent's Riverside in Jacksonville, Florida. Dmand AI also links Dr. Johnston to 1 group practice or clinic.
What is Dr. David P. Johnston Jr.'s office phone number?
The practice phone on file for Dr. Johnston is (904) 308-7300.
What is Dr. David P. Johnston Jr.'s medical license number?
Dr. Johnston's Florida license number on file is ME24837, one of the licenses on file in 2 states.
Which states has Dr. David P. Johnston Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Johnston in Florida (1975 to 2025) and Minnesota (1969 to 1975).
What medical group is Dr. David P. Johnston Jr. part of?
Dr. Johnston is linked to North Florida Surgeons.
Does Dr. David P. Johnston Jr. accept Medicare?
Yes. CMS data shows Dr. Johnston billed Medicare for 178 services in 2024.
What is Dr. David P. Johnston Jr.'s MIPS score?
Dr. Johnston's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. David P. Johnston Jr. see?
CMS counts 104 Medicare patients who saw Dr. Johnston in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. David P. Johnston Jr. bill to Medicare?
In 2024, Dr. Johnston's most billed Medicare services were blood vessel study (93970), surgery: heart and blood vessels (36471) and office visit, established patient (99213).
Where did Dr. David P. Johnston Jr. go to medical school?
Dr. Johnston graduated from University of Kansas School of Medicine - Kansas City in 1968.
What drugs does Dr. David P. Johnston Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Johnston's most prescribed drugs by claims were Levothyroxine Sodium.
Has Dr. David P. Johnston Jr. received payments from drug or device companies?
CMS Open Payments shows $25,967 in general payments to Dr. Johnston from 41 companies from 2016 to 2024. The largest total came from AngioDynamics, Inc.
How long has Dr. David P. Johnston Jr. been practicing?
Dr. Johnston graduated from medical school in 1968, 58 years ago.
Does Dr. David P. Johnston Jr. do research?
Dmand AI links 1 publication to Dr. Johnston.
What insurance does Dr. David P. Johnston Jr. accept?
Dr. Johnston is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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