Dr. Charles E. Johnson, MD
- Medicare services, 2024
- 8,350
- Medicare patients, 2024
- 2,218
- MIPS score, 2024
- 100
- Hospital affiliations
- 5
- Industry payments
- $84
- Practice address
- 12554 Riata Vista Cir, Austin, TX 78727
- Practice phone
- Call (512) 795-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ARA Diagnostic Imaging - Austin Radiological Association
Imaging Center - Main Location · Austin, Texas
Find Dr. Johnson'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. Charles E. Johnson is a diagnostic radiologist in Austin, Texas
Dr. Johnson practices at ARA Diagnostic Imaging - Austin Radiological Association in Austin, Texas.
Dr. Johnson's NPI, 1932194263, was assigned on September 13, 2005. Dr. Johnson graduated from Tulane School of Medicine in 1994. Dr. Johnson's Texas license number on file is K0497.
- NPI
- 1932194263NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183711682
- NPI enumeration date
- September 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 795-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles E. Johnson practices at ARA Diagnostic Imaging - Austin Radiological Association in Austin, Texas
Dr. Johnson's primary practice is ARA Diagnostic Imaging - Austin Radiological Association, at 12554 Riata Vista Cir, Austin, TX 78727. The practice phone is (512) 795-5100.
- ARA Diagnostic Imaging - Austin Radiological Association12554 Riata Vista Cir, Austin, TX 78727Phone(512) 795-5100
Source: Dmand AI Affiliation Data
Dr. Charles E. Johnson is affiliated with 7 sites of care and 2 medical groups
Dr. Johnson's primary practice is ARA Diagnostic Imaging - Austin Radiological Association in Austin, Texas. Dr. Johnson is also affiliated with St. David's Medical Center. The medical group on file is Singleton Associates PA. Dmand AI also links Dr. Johnson to 4 more hospitals, 1 group practice or clinic 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. Charles E. 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 |
|---|---|
| ARA Diagnostic Imaging - Austin Radiological Association | Available with a free account |
| +6 more sites 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles E. Johnson is one of 2,616 diagnostic radiologists in Texas
Diagnostic radiology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Johnson is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Johnson's licenses on file in 3 states: Texas, Florida and Maryland.
Specialties and state licenses
- Diagnostic radiology, TexasPrimary
- Florida license
- Maryland license
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. Charles E. Johnson billed Medicare for 8,350 services in 2024
CMS data shows 8,350 Medicare services from Dr. Johnson across 29 procedure codes in 2024, for 2,218 Medicare patients. Medicare paid $142,609 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 12,3352024: 5,77553%
- Imaging
- 2023: 2,3912024: 1,79425%
- Tests and treatments
- 2023: 3962024: 75089%
- Lab and pathology
- 2023: 1062024: 3171%
Where Dr. Johnson's Medicare services took place, 2024
- In an office7,00184%
- In a facility1,34916%
Dr. Johnson compared with the Texas median for diagnostic radiologists, 2024
- Dr. Johnson
- Texas median
- Medicare services
- 8,350vs 1,8744.5 times
- Medicare patients
- 2,218vs 1,28473% above
Medians across 2,414 diagnostic radiologists in Texas 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.
Need commercial claims for Dr. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other diagnostic radiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles E. Johnson treated 2,218 Medicare patients in 2024, average age 74
CMS counts 2,218 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 1,051 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.53, 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 66, with 58% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women1,27157%
- Men94743%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease37%
- Mood disorders32%
- Anxiety31%
- Diabetes31%
- Depression30%
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 66
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles E. 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 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
- 100of 100Final score
- 100of 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
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. Charles E. Johnson received $84 in industry payments from 2018 to 2022
CMS Open Payments shows 3 general payments to Dr. Johnson from 3 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $33.
General payments to Dr. Johnson by program year, 2018 to 2022
Companies that paid Dr. Johnson the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles E. Johnson graduated from Tulane School of Medicine
Dr. Johnson graduated from Tulane School of Medicine in 1994. Dr. Johnson is a member of SIR.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Charles E. Johnson accepts plans from 15 insurance carriers
Dr. Johnson is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- Blue Cross and Blue Shield of Kansas City
- +7 more carriersWith a free account
Plan types Dr. Johnson accepts, by number of carriers
- HMO9
- PPO8
- POS4
- EPO3
- Medicare3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles E. 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 | 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) |
| 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 |
| 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. Charles E. 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. Charles E. Johnson's NPI number?
Dr. Charles E. Johnson's NPI number is 1932194263. It was assigned on September 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles E. Johnson?
Dr. Charles E. Johnson is a diagnostic radiologist in Austin, Texas. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Charles E. Johnson practice?
Dr. Johnson practices at 12554 Riata Vista Cir, Austin, TX 78727. Dr. Johnson's primary practice is ARA Diagnostic Imaging - Austin Radiological Association in Austin, Texas. Dmand AI also links Dr. Johnson to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Charles E. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (512) 795-5100.
What is Dr. Charles E. Johnson's medical license number?
Dr. Johnson's Texas license number on file is K0497, one of the licenses on file in 3 states.
Which states has Dr. Charles E. Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in Texas (1996 to 2025), Florida (2005 to 2010) and Maryland (1999 to 2002).
Which hospitals is Dr. Charles E. Johnson affiliated with?
Dr. Johnson is affiliated with St. David's Medical Center. Dmand AI links Dr. Johnson to 4 more hospitals.
What medical group is Dr. Charles E. Johnson part of?
Dr. Johnson is linked to Singleton Associates PA. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Charles E. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 8,350 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Charles E. 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.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Charles E. Johnson see?
CMS counts 2,218 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
Is Dr. Charles E. Johnson board certified?
Yes. Dr. Johnson is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Charles E. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were medicare temporary code (Q9967), blood vessel study (93971) and diagnostic imaging (74177).
Where did Dr. Charles E. Johnson go to medical school?
Dr. Johnson graduated from Tulane School of Medicine in 1994.
Has Dr. Charles E. Johnson received payments from drug or device companies?
CMS Open Payments shows $84 in general payments to Dr. Johnson from 3 companies from 2018 to 2022. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Charles E. Johnson been practicing?
Dr. Johnson graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Charles E. Johnson accept?
Dr. Johnson is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to diagnostic radiology practices?
See diagnostic radiologists in Texas 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