Dr. Ingrid Trenkle, MD
What this data tells you about Dr. Trenkle
Dr. Ingrid Trenkle is an optician specialist in Redlands, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Trenkle performed 26,959 Medicare services across 3,683 unique beneficiaries.
Between the years covered by Open Payments, Dr. Trenkle received a total of $51,119 from 53 pharmaceutical and/or device companies across 762 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. 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. Trenkle 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 |
|---|---|---|---|
| Photodynamic therapy gel for precancerous skin | 20,000 | $1 | $2 |
| Destruction of precancerous skin growths, 2-14 This procedure involves the removal or destruction of two to fourteen precancerous skin lesions. It is performed to eliminate abnormal skin cells that have the potential to develop into cancer. |
1,859 | $5 | $25 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,026 | $40 | $65 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
692 | $63 | $100 |
| Destruction of skin growths (warts/lesions), 1-14 This procedure involves the removal or destruction of one to fourteen skin growths. It is a minor surgical intervention performed on the skin surface. |
656 | $82 | $125 |
| Tissue pathology examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This intermediate complexity procedure involves specialized techniques to identify abnormalities in the tissue. |
656 | $29 | $50 |
| Destruction of precancerous skin growth, 1 Removal of a single precancerous skin growth. This procedure destroys abnormal skin cells to prevent them from developing into cancer. |
619 | $37 | $100 |
| Punch biopsy of first skin growth A small, circular piece of skin is removed from a skin growth using a circular blade. The sample is then sent to a laboratory for examination. |
155 | $91 | $175 |
| Injection into skin growths, 1-7 A procedure involving the injection of medication into one to seven skin growths. |
146 | $36 | $55 |
| Skin biopsy, tangential A procedure to remove a sample of the first identified skin growth for laboratory examination. |
132 | $67 | $140 |
| Destruction of 15 or more precancerous skin growths This procedure involves the removal or destruction of fifteen or more precancerous skin lesions. It is performed to treat abnormal skin cells that have the potential to develop into cancer. |
126 | $130 | $225 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
126 | $1 | $10 |
| Destruction of skin growth, 15 or more growths | 119 | $104 | $200 |
| New patient office visit, 15-29 minutes An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold. |
115 | $47 | $125 |
| Light application with debridement to destroy precancerous skin growth This procedure involves applying light to the skin along with debridement to destroy precancerous skin growths. |
100 | $217 | $325 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
76 | $73 | $150 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 54 | $347 | $650 |
| Skin growth removal and lab exam, 1-5 blocks This procedure involves the removal of a growth from the head, neck, hands, feet, or genitals. The removed tissue is then examined under a microscope in the laboratory. |
51 | $525 | $800 |
| Additional skin growth biopsy Removal of a sample of an additional skin growth for laboratory examination. This code is used for each extra lesion biopsied during the same session. |
43 | $42 | $75 |
| Intermediate wound repair, 2.6-7.5 cm A medical procedure to close a wound on the scalp, underarms, trunk, arms, or legs that measures between 2.6 and 7.5 centimeters. This type of repair involves cleaning the wound and stitching it closed to promote healing. |
34 | $243 | $325 |
| Skin growth removal and lab exam, 1-5 blocks A procedure to remove a growth from the trunk, arms, or legs and send 1 to 5 tissue samples to a laboratory for microscopic examination. |
31 | $510 | $700 |
| Skin cancer growth removal, 0.6-1.0 cm This procedure involves the surgical removal of a cancerous skin growth located on the body, arms, or legs. The size of the growth being removed is between 0.6 and 1.0 centimeters. |
28 | $96 | $300 |
| Punch biopsy of additional skin growth A small circular tool is used to remove a sample of an extra skin growth for laboratory examination. |
24 | $49 | $86 |
| Intermediate wound repair, 2.5 cm or less This procedure involves stitching a wound on the scalp, underarms, trunk, arms, or legs that is 2.5 centimeters or smaller. It includes cleaning the wound and closing it with sutures to promote healing. |
22 | $139 | $200 |
| Fluorouracil injection, 500 mg Administration of a 500 mg dose of fluorouracil medication via injection. |
20 | $2 | $10 |
| Additional Mohs surgery stage with microscopic exam This procedure involves the removal and microscopic examination of an additional stage of tissue from the trunk, arms, or legs. It is performed in stages to ensure complete removal of the growth. |
19 | $333 | $500 |
| 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. |
18 | $97 | $125 |
| Removal of noncancer skin growth, 0.6-1.0 cm This procedure involves the removal of a benign skin growth located on the body, arms, or legs. The growth removed measures between 0.6 and 1.0 centimeters in diameter. |
12 | $66 | $200 |
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)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (40%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in optician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 5% for optician in CA.
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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Trenkle is a mixed practice specialist, with above-average Medicare volume (top 4% in CA), with mixed engagement industry engagement in the top 5% of CA peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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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