Dr. Zachary Cooper, M.D.
What this data tells you about Dr. Cooper
Dr. Zachary Cooper is a dermatology specialist in Sonora, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Cooper performed 17,165 Medicare services across 7,207 unique beneficiaries.
Between the years covered by Open Payments, Dr. Cooper received a total of $1,507 from 10 pharmaceutical and/or device companies across 73 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in dermatology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Cooper 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 |
|---|---|---|---|
| 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. |
7,538 | $5 | $9 |
| 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. |
2,646 | $63 | $117 |
| 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. |
2,587 | $130 | $224 |
| 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. |
1,293 | $43 | $89 |
| 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. |
727 | $91 | $152 |
| Skin biopsy, tangential A procedure to remove a sample of the first identified skin growth for laboratory examination. |
709 | $79 | $136 |
| 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. |
245 | $489 | $899 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 213 | $352 | $548 |
| 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. |
187 | $45 | $74 |
| 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. |
182 | $244 | $404 |
| Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm | 142 | $135 | $419 |
| 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. |
122 | $42 | $67 |
| 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. |
120 | $75 | $145 |
| Surgical removal of skin cancer, 1.1-2.0 cm Surgical excision of a cancerous skin growth measuring between 1.1 and 2.0 centimeters on the body, arms, or legs. |
108 | $104 | $324 |
| Ear tissue biopsy A procedure to remove a small sample of tissue from the ear for laboratory examination. |
67 | $67 | $128 |
| Surgical removal of skin cancer, 1.1-2.0 cm Surgical excision of a cancerous skin growth measuring 1.1 to 2.0 centimeters from the scalp, neck, hands, feet, or genitals. |
59 | $106 | $335 |
| Full thickness skin graft to nose, ears, eyelids, or lips, 20 sq cm or less A surgical procedure where a full layer of skin is taken from a donor site and transplanted to the nose, ears, eyelids, or lips. The graft covers an area of 20 square centimeters or less. |
50 | $830 | $1,306 |
| Intermediate wound repair, 2.6-7.5 cm This procedure involves stitching a wound on the neck, hands, feet, or genitals that measures between 2.6 and 7.5 centimeters. It is classified as an intermediate repair requiring layered closure. |
39 | $246 | $411 |
| Surgical removal of skin cancer, 2.1-3.0 cm This procedure involves the surgical excision of a cancerous skin growth located on the body, arms, or legs. The size of the removed tissue measures between 2.1 and 3.0 centimeters. |
34 | $118 | $368 |
| Destruction of skin growth, 15 or more growths | 30 | $109 | $177 |
| Surgical removal of skin cancer, 2.1-3.0 cm Surgical excision of a cancerous skin growth measuring 2.1 to 3.0 centimeters from the scalp, neck, hands, feet, or genitals. |
17 | $125 | $388 |
| Intermediate wound repair, face or mouth, 2.5 cm or less A medical procedure to close a wound on the face, ears, eyelids, nose, lips, or mouth that is 2.5 centimeters or smaller. This type of repair involves more than simple closure but is less complex than a major repair. |
14 | $121 | $377 |
| Destruction of cancer skin growth, 0.6-1.0 cm This procedure involves the removal or destruction of a cancerous skin growth located on the trunk, arms, or legs that measures between 0.6 and 1.0 centimeters. |
13 | $117 | $197 |
| Full thickness skin graft, 20 sq cm or less A surgical procedure where a full layer of skin is taken from a donor site and transplanted to an area on the face, neck, or other specified body parts. The graft covers an area of 20 square centimeters or less. |
12 | $765 | $1,212 |
| Destruction of cancerous skin growth on face, 0.6-1.0 cm This procedure involves the removal or destruction of a cancerous skin lesion located on the face, ears, eyelids, nose, lips, or mouth. The lesion treated measures between 0.6 and 1.0 centimeters in diameter. |
11 | $153 | $238 |
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 ›
Most payments (89%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
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. Cooper is a clinical cardiology specialist, with above-average Medicare volume (top 3% in CA), with low-engagement industry engagement, 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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