Dr. Kevin Kempf, MD
What this data tells you about Dr. Kempf
Dr. Kevin Kempf is a rheumatology in San Antonio, TX, with 20 years in practice. Based on federal Medicare data, Dr. Kempf performed 290,070 Medicare services across 8,669 unique beneficiaries.
Between the years covered by Open Payments, Dr. Kempf received a total of $118,964 from 56 pharmaceutical and/or device companies across 1279 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in rheumatology. 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. Kempf is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. 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 |
|---|---|---|---|
| Tocilizumab injection (Actemra) | 84,984 | $4 | $17 |
| Certolizumab injection (Cimzia) | 84,800 | $4 | $19 |
| Golimumab infusion (Simponi Aria) | 39,659 | $11 | $48 |
| Abatacept infusion (Orencia) | 39,600 | $33 | $134 |
| Denosumab injection (Prolia/Xgeva) | 8,040 | $18 | $42 |
| Infliximab infusion (Remicade) | 6,921 | $25 | $114 |
| Injection, rituximab, 10 mg | 4,152 | $62 | $257 |
| Injection, infliximab-abda, biosimilar, (renflexis), 10 mg | 3,350 | $30 | $119 |
| Measurement of antibody for assessment of autoimmune disorder, any method | 2,335 | $17 | $44 |
| Comprehensive metabolic blood panel | 1,496 | $10 | $26 |
| Complete blood count (CBC) with differential | 1,440 | $8 | $20 |
| C-reactive protein test (inflammation marker) | 1,434 | $5 | $14 |
| Sed rate test (inflammation marker) | 1,278 | $3 | $6 |
| Office visit, established patient (30-39 min) | 1,229 | $89 | $253 |
| Administration of chemotherapy into vein, 1 hour or less | 1,193 | $99 | $399 |
| Extended-release steroid injection (Zilretta) | 1,120 | $13 | $42 |
| Analysis of substance using immunoassay technique, multiple step method | 815 | $11 | $28 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 564 | $56 | $222 |
| Measurement of dna antibody, single stranded | 438 | $12 | $29 |
| Measurement of dna antibody, native or double stranded | 437 | $13 | $35 |
| Vitamin D level test | 436 | $29 | $72 |
| Measurement of antibody for rheumatoid arthritis assessment | 412 | $13 | $32 |
| Rheumatoid factor level | 410 | $5 | $15 |
| Cardiolipin antibody (tissue antibody) measurement | 375 | $24 | $63 |
| Measurement of complement (immune system proteins), antigen, | 374 | $12 | $29 |
| Beta 2 glycoprotein 1 antibody (autoantibody) measurement | 372 | $24 | $63 |
| Administration of chemotherapy into vein, each additional hour | 273 | $21 | $85 |
| Measurement of substance using immunoassay technique | 243 | $17 | $39 |
| Uric acid level test | 182 | $4 | $12 |
| Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose | 172 | $95 | $311 |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | 164 | $92 | $300 |
| Creatine kinase (cardiac enzyme) level, total | 147 | $6 | $17 |
| Vitamin B-12 level test | 126 | $14 | $38 |
| New patient office visit (45-59 min) | 122 | $122 | $497 |
| Folic acid level test | 115 | $14 | $37 |
| Thyroid stimulating hormone (TSH) test | 115 | $16 | $42 |
| Injection of additional new drug or substance into vein | 109 | $11 | $47 |
| Injection, methylprednisolone sodium succinate, up to 40 mg | 87 | $3 | $13 |
| Ferritin level test (iron stores) | 80 | $13 | $35 |
| Iron binding capacity test | 79 | $8 | $22 |
| Injection, methylprednisolone acetate, 40 mg | 79 | $6 | $15 |
| Injection, methylprednisolone sodium succinate, up to 125 mg | 58 | $4 | $18 |
| Flu vaccine administration | 43 | $30 | $61 |
| Office visit, established patient (20-29 min) | 41 | $65 | $166 |
| Flu vaccine, quadrivalent | 39 | $73 | $75 |
| Office visit, established patient, complex (40-54 min) | 38 | $128 | $331 |
| Injection, methylprednisolone acetate, 80 mg | 31 | $9 | $28 |
| Injection, methylprednisolone acetate, 20 mg | 24 | $3 | $4 |
| Drug injection, under skin or into muscle | 22 | $10 | $42 |
| Joint injection, major joint | 17 | $53 | $146 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
Associated products mentioned in payments ›
The majority of payments (74%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in rheumatology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 6% for rheumatology in TX.
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 2024 |
| 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 measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Kempf is a mixed practice specialist, with above-average Medicare volume (top 1% in TX), and high industry engagement (speaking/promotional, top 6%), with 20 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Kempf experienced with tocilizumab injection (actemra)?
Does Dr. Kempf receive payments from pharmaceutical companies?
How do Dr. Kempf's costs compare to other rheumatologys in San Antonio?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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. The Transparency Score measures 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