Dr. Douglas Mark Johnson, DO
- Medicare services, 2024
- 6,083
- Medicare patients, 2024
- 2,708
- Part D claims, 2018
- 12
- MIPS score, 2024
- 96
- Hospital affiliations
- 6
- Practice address
- 620 Summit Crossing Pl, Gastonia, NC 28054
- Practice phone
- Call (704) 867-8021
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gaston Radiology PA
Gastonia, North Carolina
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Douglas Mark Johnson is a diagnostic radiologist in Gastonia, North Carolina
Dr. Johnson practices at Gaston Radiology PA in Gastonia, North Carolina.
Dr. Johnson's NPI, 1811974553, was assigned on December 23, 2005. Dr. Johnson graduated from Arizona College of Osteopathic Medicine Mid Western University in 2000. Dr. Johnson holds North Carolina license 2005-01288.
- NPI
- 1811974553NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921037185
- NPI enumeration date
- December 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 867-8021
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas Mark Johnson practices at Gaston Radiology PA in Gastonia, North Carolina
Dr. Johnson's primary practice is Gaston Radiology PA, at 620 Summit Crossing Pl, Gastonia, NC 28054 in Gaston County. The practice phone is (704) 867-8021.
- Gaston Radiology PA620 Summit Crossing Pl, Gastonia, NC 28054 · Gaston CountyPhone(704) 867-8021
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Douglas Mark Johnson is affiliated with 8 sites of care and 3 medical groups
Dr. Johnson's primary practice is Gaston Radiology PA in Gastonia, North Carolina. Dr. Johnson is also affiliated with Atrium Health Wake Forest Baptist Medical Center. The medical group on file is Gaston Radiology. Dmand AI also links Dr. Johnson to 5 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas Mark Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gaston Radiology PA | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas Mark Johnson is one of 1,068 diagnostic radiologists in North Carolina
Diagnostic radiology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Johnson is licensed in North Carolina.
Specialties and state licenses
- Diagnostic radiology, North CarolinaPrimary
Diagnostic radiologists near Dr. Johnson
Counts of diagnostic radiologists 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. Douglas Mark Johnson billed Medicare for 6,083 services in 2024
CMS data shows 6,083 Medicare services from Dr. Johnson across 45 procedure codes in 2024, for 2,708 Medicare patients. Medicare paid $97,579 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,6582024: 3,7192%
- Other services
- 2023: 02024: 2,300
- Tests and treatments
- 2023: 932024: 6431%
- Surgery
- 2023: 122024: 0100%
Where Dr. Johnson's Medicare services took place, 2024
- In an office3,12451%
- In a facility2,95949%
Dr. Johnson compared with the North Carolina median for diagnostic radiologists, 2024
- Dr. Johnson
- North Carolina median
- Medicare services
- 6,083vs 2,3212.6 times
- Medicare patients
- 2,708vs 1,72757% above
- Part D claims
- 12vs 1625% below
Medians across 1,000 diagnostic radiologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Johnson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas Mark Johnson treated 2,708 Medicare patients in 2024, average age 74
CMS counts 2,708 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 1,130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.69, 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. Johnson's median patient age at 61, with 61% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women1,71663%
- Men99237%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes41%
- Chronic kidney disease36%
- Ischemic heart disease35%
- Anxiety34%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
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 61
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas Mark Johnson wrote 12 Medicare Part D claims in 2018
In 2018, Dr. Johnson wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $147 in total drug cost.
Dr. Johnson's most prescribed drugs by claims, 2018
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
Dr. Douglas Mark Johnson scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 96of 100Final score
- 95.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Douglas Mark Johnson received $728 in industry payments from 2017 to 2024
CMS Open Payments shows 12 general payments to Dr. Johnson from 8 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 69% of the total. HeartFlow, Inc. paid the most, $301.
General payments to Dr. Johnson by program year, 2017 to 2024
General payments to Dr. Johnson by kind, 2017 to 2024
- Food and beverage$49969%
- Travel and lodging$22931%
Companies that paid Dr. Johnson the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas Mark Johnson graduated from Arizona College of Osteopathic Medicine Mid Western University
Dr. Johnson graduated from Arizona College of Osteopathic Medicine Mid Western University in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas Mark 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Douglas Mark 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. Douglas Mark Johnson's NPI number?
Dr. Douglas Mark Johnson's NPI number is 1811974553. It was assigned on December 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas Mark Johnson?
Dr. Douglas Mark Johnson is a diagnostic radiologist in Gastonia, North Carolina. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Douglas Mark Johnson practice?
Dr. Johnson practices at 620 Summit Crossing Pl, Gastonia, NC 28054. Dr. Johnson's primary practice is Gaston Radiology PA in Gastonia, North Carolina. Dmand AI also links Dr. Johnson to 5 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Douglas Mark Johnson's office phone number?
The practice phone on file for Dr. Johnson is (704) 867-8021.
What is Dr. Douglas Mark Johnson's medical license number?
Dr. Johnson holds North Carolina license 2005-01288.
Which hospitals is Dr. Douglas Mark Johnson affiliated with?
Dr. Johnson is affiliated with Atrium Health Wake Forest Baptist Medical Center. Dmand AI links Dr. Johnson to 5 more hospitals.
What medical group is Dr. Douglas Mark Johnson part of?
Dr. Johnson is linked to Gaston Radiology. Dmand AI links Dr. Johnson to 2 more medical groups.
Does Dr. Douglas Mark Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 6,083 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Douglas Mark Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
How many Medicare patients does Dr. Douglas Mark Johnson see?
CMS counts 2,708 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Douglas Mark Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (71045) and radiation oncology (77067).
Where did Dr. Douglas Mark Johnson go to medical school?
Dr. Johnson graduated from Arizona College of Osteopathic Medicine Mid Western University in 2000.
What drugs does Dr. Douglas Mark Johnson prescribe most?
In 2018 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Fosinopril Sodium.
Has Dr. Douglas Mark Johnson received payments from drug or device companies?
CMS Open Payments shows $728 in general payments to Dr. Johnson from 8 companies from 2017 to 2024. The largest total came from HeartFlow, Inc.
How long has Dr. Douglas Mark Johnson been practicing?
Dr. Johnson graduated from medical school in 2000, 26 years ago.
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