Dr. Kathryn Treit, MD
What this data tells you about Dr. Treit
Dr. Kathryn Treit is a nephrology specialist in Seattle, WA, with 16 years of NPI registration. Based on federal Medicare data, Dr. Treit performed 12,719 Medicare services across 1,767 unique beneficiaries.
Between the years covered by Open Payments, Dr. Treit received a total of $122 from 1 pharmaceutical and/or device company across 2 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in nephrology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Treit 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
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 |
|---|---|---|---|
| Darbepoetin injection (Aranesp) for anemia An injection of darbepoetin alfa used for non-end-stage renal disease purposes. |
8,280 | $2 | $8 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
504 | $8 | $15 |
| 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. |
472 | $98 | $313 |
| Kidney function blood test panel | 467 | $8 | $25 |
| Creatinine test (kidney function) A blood test that measures the amount of creatinine to assess kidney function or detect muscle injury. |
352 | $5 | $16 |
| Urine total protein level A laboratory test that measures the total amount of protein present in a urine sample. |
317 | $4 | $15 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
304 | $3 | $15 |
| Parathyroid hormone level test A blood test that measures the amount of parathyroid hormone in your body. This hormone helps regulate calcium levels in the blood and bones. |
233 | $40 | $116 |
| 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. |
213 | $8 | $23 |
| Complete blood count (CBC), automated An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood. |
201 | $6 | $21 |
| Dialysis services, partial month (age 20+) Dialysis treatment provided for a partial month of service for patients aged 20 years or older. |
167 | $8 | $23 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
160 | $29 | $83 |
| Home dialysis services per month Monthly dialysis treatment provided in the patient's home for individuals aged 20 or older. |
136 | $248 | $633 |
| Dialysis services for adults, 2-3 visits per month This code covers dialysis services for patients aged 20 or older who have 2 to 3 physician visits per month. |
133 | $250 | $830 |
| Iron level test | 97 | $6 | $19 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
97 | $9 | $25 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
94 | $13 | $38 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
72 | $6 | $19 |
| Urine microalbumin test (kidney screening) A laboratory test that measures the amount of microalbumin, a small protein, in a urine sample. This test is used to detect early signs of kidney damage. |
69 | $6 | $17 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
69 | $12 | $73 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
68 | $67 | $194 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
39 | $126 | $482 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
31 | $9 | $31 |
| 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. |
30 | $4 | $14 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
29 | $10 | $34 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
29 | $132 | $419 |
| Monthly dialysis physician visit A monthly doctor's visit for patients aged 20 or older who are receiving dialysis treatment. |
27 | $173 | $640 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
17 | $13 | $63 |
| Hemodialysis, single evaluation A dialysis procedure to filter waste from the blood, performed with a physician's evaluation. |
12 | $60 | $204 |
Industry Payment Transparency
Open Payments through 2019 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2019)
Associated products mentioned in payments ›
The majority of payments (100%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in nephrology and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2019 |
| Disciplinary History | — Not public | 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
Dr. Treit is a mixed practice specialist, with above-average Medicare volume (top 4% in WA), with speaking/promotional industry engagement, with 16 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Treit experienced with darbepoetin injection (aranesp) for anemia?
Does Dr. Treit receive payments from pharmaceutical companies?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): 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.
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