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Dr. Katherine Elizabeth Johnson, MD
NPI1891999272
- Medicare services, 2024
- 172
- Medicare patients, 2024
- 55
- Part D claims, 2023
- 29
- Publications
- 1
- Industry payments
- $8,387
- Practice address
- 115 Airport Rd, Sulphur Springs, TX 75482
- Practice phone
- Call (903) 439-4052
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Christus Mother Frances Hospital - Sulphur Springs
Sulphur Springs, Texas
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Katherine Elizabeth Johnson is an ophthalmologist in Sulphur Springs, Texas
Dr. Johnson practices at Christus Mother Frances Hospital - Sulphur Springs in Sulphur Springs, Texas.
Dr. Johnson's NPI, 1891999272, was assigned on June 12, 2007. Dr. Johnson graduated from University of California, San Diego School of Medicine in 2003. Dr. Johnson holds Alaska license 6104.
NPI and contact details
- NPI
- 1891999272NPI Registry (opens in a new tab)
- NPI enumeration date
- June 12, 2007
- NPI status
- Active
- Practice phone
- (903) 439-4052
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Katherine Elizabeth Johnson practices at Christus Mother Frances Hospital - Sulphur Springs in Sulphur Springs, Texas
Dr. Johnson's primary practice is Christus Mother Frances Hospital - Sulphur Springs, at 115 Airport Rd, Sulphur Springs, TX 75482 in Hopkins County. The practice phone is (903) 439-4052.
- Christus Mother Frances Hospital - Sulphur Springs115 Airport Rd, Sulphur Springs, TX 75482 · Hopkins CountyPhone(903) 439-4052
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katherine Elizabeth Johnson is affiliated with 2 sites of care and 2 medical groups
Dr. Johnson's primary practice is Christus Mother Frances Hospital - Sulphur Springs in Sulphur Springs, Texas. The medical group on file is Troy Medical. Dmand AI also links Dr. Johnson to 1 more group practice or clinic and 1 medical group, each named with a free account.
Christus Mother Frances Hospital - Sulphur SpringsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katherine Elizabeth 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 |
|---|---|
| Christus Mother Frances Hospital - Sulphur Springs | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Elizabeth Johnson is one of 1,311 ophthalmologists in Texas
Ophthalmology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Johnson is licensed in Alaska.
Specialties and state licenses
- Ophthalmology, AlaskaPrimary
Ophthalmologists near Dr. Johnson
Counts of ophthalmologists 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. Katherine Elizabeth Johnson billed Medicare for 172 services in 2024
CMS data shows 172 Medicare services from Dr. Johnson across 3 procedure codes in 2024, for 55 Medicare patients. Medicare paid $24,883 for them. Every service was in an office.
Medicare services, 2024172
Medicare patients55
Paid by Medicare$24,883
Procedure codes3
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 262024: 65150%
- Surgery
- 2023: 532024: 6013%
- Office and hospital visits
- 2023: 392024: 4721%
Dr. Johnson compared with the Texas median for ophthalmologists, 2024
- Dr. Johnson
- Texas median
- Medicare services
- 172vs 1,35387% below
- Medicare patients
- 55vs 49289% below
- Part D claims
- 29vs 61395% below
Medians across 1,290 ophthalmologists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other ophthalmologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Elizabeth Johnson treated 55 Medicare patients in 2024, average age 74
CMS counts 55 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 68, with 57% women.
Medicare patients, 202455
Average age74
Average risk score1.36
Also on Medicaid20%
Dr. Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Johnson's Medicare patients by sex, 2024
- Women2647%
- Men2953%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes42%
- Ischemic heart disease35%
- Chronic kidney disease27%
- COPD22%
- Mood disorders22%
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 68
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Elizabeth Johnson wrote 29 Medicare Part D claims in 2023
In 2023, Dr. Johnson wrote 29 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $602 in total drug cost. In 2022, CMS named 377 claims across 12 drugs.
Part D claims, 202329
Drugs named by CMS1
Total drug cost$602
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: 3772023: 2992%
Drugs named by CMS: 1 in 2023, 12 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Katherine Elizabeth Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson.
Papers1
Recent publications by Dr. Johnson
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 ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katherine Elizabeth Johnson received $8,387 in industry payments from 2016 to 2023
CMS Open Payments shows 65 general payments to Dr. Johnson from 17 drug and device companies from 2016 to 2023. Gifts make up the largest share, 57% of the total. Carl Zeiss Meditec, Inc. paid the most, $5,064.
General payments to Dr. Johnson by program year, 2016 to 2023
General payments to Dr. Johnson by kind, 2016 to 2023
$8.4Kin total
- Gifts$4,74257%
- Food and beverage$2,63131%
- Honoraria$1,00012%
- Education$140%
Companies that paid Dr. Johnson the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine Elizabeth Johnson graduated from University of California, San Diego School of Medicine
Dr. Johnson graduated from University of California, San Diego School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine Elizabeth 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) |
| 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. Katherine Elizabeth 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. Katherine Elizabeth Johnson's NPI number?
Dr. Katherine Elizabeth Johnson's NPI number is 1891999272. It was assigned on June 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Elizabeth Johnson?
Dr. Katherine Elizabeth Johnson is an ophthalmologist in Sulphur Springs, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Katherine Elizabeth Johnson practice?
Dr. Johnson practices at 115 Airport Rd, Sulphur Springs, TX 75482. Dr. Johnson's primary practice is Christus Mother Frances Hospital - Sulphur Springs in Sulphur Springs, Texas. Dmand AI also links Dr. Johnson to 1 group practice or clinic and 1 medical group.
What is Dr. Katherine Elizabeth Johnson's office phone number?
The practice phone on file for Dr. Johnson is (903) 439-4052.
What is Dr. Katherine Elizabeth Johnson's medical license number?
Dr. Johnson holds Alaska license 6104.
What medical group is Dr. Katherine Elizabeth Johnson part of?
Dr. Johnson is linked to Troy Medical. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Katherine Elizabeth Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 172 services in 2024.
How many Medicare patients does Dr. Katherine Elizabeth Johnson see?
CMS counts 55 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
What services does Dr. Katherine Elizabeth Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were eye exam or test (92136), surgery: eye (66984) and office visit, new patient (99204).
Where did Dr. Katherine Elizabeth Johnson go to medical school?
Dr. Johnson graduated from University of California, San Diego School of Medicine in 2003.
Show 4 more questionsShow fewer questions
What drugs does Dr. Katherine Elizabeth Johnson prescribe most?
In 2023 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Latanoprost.
Has Dr. Katherine Elizabeth Johnson received payments from drug or device companies?
CMS Open Payments shows $8,387 in general payments to Dr. Johnson from 17 companies from 2016 to 2023. The largest total came from Carl Zeiss Meditec, Inc.
How long has Dr. Katherine Elizabeth Johnson been practicing?
Dr. Johnson graduated from medical school in 2003, 23 years ago.
Does Dr. Katherine Elizabeth Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
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