Dr. Dennis Nguyen, M.D.
What this data tells you about Dr. Nguyen
Dr. Dennis Nguyen is a dermatology specialist in Rancho Cordova, CA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Nguyen performed 1,664 Medicare services across 1,347 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nguyen received a total of $1,774 from 19 pharmaceutical and/or device companies across 64 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. Nguyen 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 |
|---|---|---|---|
| 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. |
424 | $518 | $1,376 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 366 | $356 | $791 |
| Complicated wound repair, 2.6-7.5 cm A complex surgical procedure to close a wound measuring between 2.6 and 7.5 centimeters on areas such as the face, neck, hands, or feet. |
172 | $201 | $919 |
| 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. |
151 | $530 | $1,370 |
| Complicated wound repair, scalp/arms/legs, 2.6-7.5 cm A complex surgical procedure to close a wound on the scalp, arms, or legs that measures between 2.6 and 7.5 centimeters in length. |
144 | $184 | $862 |
| 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. |
104 | $343 | $822 |
| 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. |
72 | $44 | $113 |
| Complex repair of eyelid, nose, ear, or lip wound, 2.6-7.5 cm A surgical procedure to repair a complex wound on the eyelid, nose, ear, or lip that measures between 2.6 and 7.5 centimeters. |
44 | $210 | $1,010 |
| Skin graft repair, 10 sq cm or less A surgical procedure to repair a wound by transferring a small piece of skin to the affected area. The graft covers wounds on the face, neck, hands, feet, or other specified body parts. |
36 | $663 | $1,625 |
| 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. |
26 | $257 | $656 |
| Skin biopsy, tangential A procedure to remove a sample of the first identified skin growth for laboratory examination. |
25 | $76 | $211 |
| 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. |
25 | $68 | $188 |
| Skin graft repair of eyelid, nose, ear, or lip, 10 sq cm or less A surgical procedure to repair a wound on the eyelid, nose, ear, or lip by transferring a small piece of skin. The transferred skin covers an area of 10 square centimeters or less. |
24 | $628 | $1,421 |
| Complicated wound repair of trunk, 2.6-7.5 cm A surgical procedure to close a complex wound on the trunk that measures between 2.6 and 7.5 centimeters in length. |
19 | $184 | $780 |
| 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. |
16 | $110 | $511 |
| Complex wound repair, 1.1-2.5 cm A surgical procedure to close a complex wound measuring between 1.1 and 2.5 centimeters on areas such as the face, neck, hands, or feet. |
16 | $173 | $827 |
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 (93%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.2 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. Nguyen is a mixed practice specialist, with moderate Medicare volume, with low-engagement industry engagement, with 18 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. Nguyen experienced with skin growth removal and lab exam, 1-5 blocks?
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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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