Dr. Nicholas Gerken, MD
What this data tells you about Dr. Gerken
Dr. Nicholas Gerken is an adult reconstructive orthopaedic surgery physician in San Antonio, TX, with 14 years in practice. Based on federal Medicare data, Dr. Gerken performed 1,368 Medicare services across 787 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gerken received a total of $21,142 from 25 pharmaceutical and/or device companies across 113 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in adult reconstructive orthopaedic surgery physician. 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. Gerken 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 |
|---|---|---|---|
| Injection, methylprednisolone acetate, 40 mg | 250 | $6 | $9 |
| Steroid injection (triamcinolone) | 200 | $1 | $5 |
| Office visit, established patient (20-29 min) | 166 | $65 | $174 |
| Joint injection, major joint | 124 | $50 | $194 |
| Office visit, established patient (30-39 min) | 107 | $89 | $258 |
| Hip X-ray, 2-3 views | 106 | $35 | $102 |
| Knee X-ray, 3 views | 98 | $28 | $86 |
| X-ray of knee, 4 or more views | 70 | $32 | $81 |
| New patient office visit (45-59 min) | 42 | $122 | $400 |
| X-ray of knee, 1-2 views | 36 | $21 | $78 |
| Computer-assisted surgery for muscle and bone procedure | 33 | $110 | $380 |
| Total knee replacement | 32 | $980 | $3,912 |
| Initial hospital admission, high complexity | 28 | $134 | $492 |
| New patient office visit (30-44 min) | 22 | $71 | $260 |
| Total hip replacement | 17 | $981 | $3,660 |
| Initial hospital admission, moderate complexity | 14 | $100 | $335 |
| Computer-assisted, fluoroscopic image-guided musculoskeletal surgical navigational orthopedic operation | 12 | $175 | $682 |
| X-ray of both hips, 2 views | 11 | $32 | $102 |
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 (52%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in adult reconstructive orthopaedic surgery physician 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 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. Gerken is a clinical cardiology specialist, with moderate Medicare volume, and speaking/promotional industry engagement.
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. Gerken experienced with injection, methylprednisolone acetate, 40 mg?
Does Dr. Gerken receive payments from pharmaceutical companies?
How do Dr. Gerken's costs compare to other adult reconstructive orthopaedic surgery physicians 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