Katherine Johnston, ACNPC-AG
What this data tells you about Johnston
Katherine Johnston is a critical care medicine registered nurse in El Paso, TX, with 10 years of NPI registration. Based on federal Medicare data, Johnston performed 397 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Johnston received a total of $2,168 from 5 pharmaceutical and/or device companies across 86 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Johnston is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
84 | $80 | $380 |
| Drug screening test A laboratory test that uses a chemistry analyzer to detect the presence of drugs in a sample. |
41 | $61 | $187 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
26 | $10 | $43 |
| Cardiac enzyme level (CK-MB) test A blood test that measures the total level of creatine kinase, specifically the cardiac enzyme fraction, to help evaluate heart muscle damage. |
26 | $6 | $27 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
26 | $7 | $27 |
| Phosphate level test A blood test that measures the amount of phosphate in your body. Phosphate is a mineral that helps keep bones and teeth strong. |
26 | $5 | $20 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
26 | $4 | $20 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
25 | $14 | $60 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
25 | $8 | $32 |
| Definitive drug test using GC/MS or LC/MS A definitive drug test that identifies specific drugs and distinguishes between structural isomers using advanced methods like GC/MS or LC/MS. |
25 | $179 | $597 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
23 | $29 | $111 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
23 | $15 | $62 |
| Definitive drug test using GC/MS or LC/MS A definitive drug test that identifies specific drugs and distinguishes between structural isomers using advanced methods like GC/MS or LC/MS. |
21 | $112 | $344 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2021-2024) ›
Associated products mentioned in payments ›
Geographic Context
1.7 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Johnston is a clinical cardiology specialist, with above-average Medicare volume (top 21% in TX).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Johnston experienced with office visit, established patient (30-39 min)?
Does Johnston receive payments from pharmaceutical companies?
How do Johnston's costs compare to other critical care medicine registered nurses in El Paso?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology