Bioorg Med Chem Lett
AdenineAdjuvants, ImmunologicCytokines
Dr. David A. Johnson, MD
NPI1447236112
- Medicare services, 2022
- 817
- Part D claims, 2023
- 75
- Publications
- 7
- MIPS score, 2024
- 100
- Industry payments
- $93,340
- Practice address
- 1144 N Road St, Elizabeth City, NC 27909
- Practice phone
- Call (757) 507-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sentara Princess Anne Hospital
Elizabeth City, North Carolina
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Dr. David A. Johnson is a gastroenterologist in Elizabeth City, North Carolina
Dr. Johnson practices at Sentara Princess Anne Hospital in Elizabeth City, North Carolina.
Dr. Johnson's NPI, 1447236112, was assigned on December 15, 2005. Dr. Johnson graduated from Virginia Commonwealth University, School of Medicine in 1980. Dr. Johnson holds Virginia license 0101033615.
NPI and contact details
- NPI
- 1447236112NPI Registry (opens in a new tab)
- NPI enumeration date
- December 15, 2005
- NPI status
- Active
- Practice phone
- (757) 507-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David A. Johnson practices at Sentara Princess Anne Hospital in Elizabeth City, North Carolina
Dr. Johnson's primary practice is Sentara Princess Anne Hospital, at 1144 N Road St, Elizabeth City, NC 27909 in Pasquotank County. The practice phone is (757) 507-1000.
- Sentara Princess Anne Hospital1144 N Road St, Elizabeth City, NC 27909 · Pasquotank CountyPhone(757) 507-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David A. Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Sentara Princess Anne Hospital in Elizabeth City, North Carolina. The medical group on file is Capital Digestive Care. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sentara Princess Anne HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David A. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Princess Anne Hospital | 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 A. Johnson is one of 590 gastroenterologists in North Carolina
Gastroenterology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Johnson is licensed in Virginia.
Specialties and state licenses
- Gastroenterology, VirginiaPrimary
Gastroenterologists near Dr. Johnson
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
590gastroenterologists in North Carolina
3gastroenterologists in Elizabeth City
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David A. Johnson billed Medicare for 817 services in 2022
CMS data shows 817 Medicare services from Dr. Johnson across 12 procedure codes in 2022. Medicare paid $140,313 for them.
Medicare services, 2022817
Paid by Medicare$140,313
Procedure codes12
Dr. Johnson's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 5622022: 42924%
- Surgery
- 2021: 3452022: 3256%
- Other services
- 2021: 882022: 6328%
- Tests and treatments
- 2021: 452022: 0100%
Where Dr. Johnson's Medicare services took place, 2022
- In an office78496%
- In a facility334%
Dr. Johnson compared with the North Carolina median for gastroenterologists, 2022
- Dr. Johnson
- North Carolina median
- Medicare services
- 817vs 43887% above
- Part D claims
- 75vs 40281% below
Medians across 567 gastroenterologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2022
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. Johnson and other gastroenterologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Johnson's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 75, with 61% 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 75
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. David A. Johnson wrote 75 Medicare Part D claims in 2023
In 2023, Dr. Johnson wrote 75 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,337 in total drug cost. In 2022, CMS named 487 claims across 15 drugs.
Part D claims, 202375
Drugs named by CMS2
Total drug cost$1,337
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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4872023: 7585%
Drugs named by CMS: 2 in 2023, 15 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. David A. Johnson scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group.
Dr. Johnson's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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 A. Johnson has 7 publications on record
Dmand AI links 7 papers to Dr. Johnson, published from 2012 to 2020. 2016 was the busiest year, with 2. The most frequent topics are HEK293 Cells, NF-kappa B and Signal Transduction. Dr. Johnson has published most often in Bioorg Med Chem Lett.
Papers7
Years published2012 to 2020
Dr. Johnson's papers by year, 2012 to 2020
Topics Dr. Johnson writes about most
- HEK293 Cells
- NF-kappa B
- Signal Transduction
- Adaptor Proteins, Vesicular Transport
- Adenine
- Cytokines
- Glucosamine
- Leukocytes, Mononuclear
Recent publications by Dr. Johnson
Bioorg Med Chem Lett
AdenineCell SurvivalHEK293 Cells
Bioorg Med Chem Lett
Adaptor Proteins, Vesicular TransportBinding SitesBiocompatible Materials
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David A. Johnson received $93,340 in industry payments from 2016 to 2025
CMS Open Payments shows 337 general payments to Dr. Johnson from 35 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 85% of the total. Aries Pharmaceuticals, Inc. paid the most, $37,473.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
$93.3Kin total
- Consulting fees$79,22885%
- Food and beverage$5,1085%
- Honoraria$5,0005%
- Travel and lodging$2,6043%
- Compensation for serving as faculty or as a speaker for a medical education program$1,4001%
Companies that paid Dr. Johnson 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. David A. Johnson graduated from Virginia Commonwealth University, School of Medicine
Dr. Johnson graduated from Virginia Commonwealth University, School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. 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 | 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. David A. 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. David A. Johnson's NPI number?
Dr. David A. Johnson's NPI number is 1447236112. It was assigned on December 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Johnson?
Dr. David A. Johnson is a gastroenterologist in Elizabeth City, North Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. David A. Johnson practice?
Dr. Johnson practices at 1144 N Road St, Elizabeth City, NC 27909. Dr. Johnson's primary practice is Sentara Princess Anne Hospital in Elizabeth City, North Carolina. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. David A. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (757) 507-1000.
What is Dr. David A. Johnson's medical license number?
Dr. Johnson holds Virginia license 0101033615.
What medical group is Dr. David A. Johnson part of?
Dr. Johnson is linked to Capital Digestive Care.
Does Dr. David A. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 817 services in 2022.
What is Dr. David A. Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
What services does Dr. David A. Johnson bill to Medicare?
In 2022, Dr. Johnson's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (46221) and surgery: digestive system (45385).
Where did Dr. David A. Johnson go to medical school?
Dr. Johnson graduated from Virginia Commonwealth University, School of Medicine in 1980.
Show 4 more questionsShow fewer questions
What drugs does Dr. David A. Johnson prescribe most?
In 2023 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Omeprazole and Pantoprazole Sodium.
Has Dr. David A. Johnson received payments from drug or device companies?
CMS Open Payments shows $93,340 in general payments to Dr. Johnson from 35 companies from 2016 to 2025. The largest total came from Aries Pharmaceuticals, Inc.
How long has Dr. David A. Johnson been practicing?
Dr. Johnson graduated from medical school in 1980, 46 years ago.
Does Dr. David A. Johnson do research?
Dmand AI links 7 publications to Dr. Johnson, published from 2012 to 2020.
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