Dr. William Andersen, MD
What this data tells you about Dr. Andersen
Dr. William Andersen is a dermatology specialist in Lancaster, PA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Andersen performed 3,992 Medicare services across 2,948 unique beneficiaries.
Between the years covered by Open Payments, Dr. Andersen received a total of $1,059 from 10 pharmaceutical and/or device companies across 21 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in dermatology. 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. Andersen 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 |
|---|---|---|---|
| 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. |
1,056 | $46 | $171 |
| 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. |
745 | $55 | $160 |
| 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. |
552 | $4 | $25 |
| 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. |
422 | $37 | $122 |
| 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. |
128 | $38 | $125 |
| 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. |
109 | $496 | $1,174 |
| Skin biopsy, tangential A procedure to remove a sample of the first identified skin growth for laboratory examination. |
101 | $62 | $165 |
| 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. |
92 | $79 | $190 |
| 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. |
78 | $66 | $190 |
| 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. |
63 | $219 | $504 |
| 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. |
59 | $74 | $171 |
| 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. |
55 | $83 | $249 |
| Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm | 52 | $177 | $485 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 40 | $311 | $647 |
| 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. |
37 | $85 | $435 |
| Light therapy to destroy precancerous skin growth This procedure uses light to treat and remove precancerous skin lesions. It is a method for destroying abnormal skin cells before they become cancerous. |
37 | $104 | $323 |
| Topical aminolevulinic acid HCl 20% solution A topical medication applied to the skin for medical treatment. It is supplied as a single-unit dosage form containing 354 mg of the active ingredient. |
37 | $261 | $550 |
| Pathology tissue examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to identify abnormalities. This specific level indicates a moderate degree of complexity in the analysis. |
33 | $32 | $110 |
| Destruction of cancer skin growth, 1.1-2.0 cm Removal of a cancerous skin growth on the trunk, arms, or legs that measures between 1.1 and 2.0 centimeters. |
32 | $109 | $352 |
| 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. |
24 | $124 | $382 |
| 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. |
22 | $36 | $170 |
| 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. |
21 | $195 | $444 |
| Surgical removal of facial skin cancer, 1.1-2.0 cm This procedure involves the surgical excision of a cancerous skin growth located on the face, ears, eyelids, nose, lips, or mouth. The size of the removed tissue is between 1.1 and 2.0 centimeters. |
20 | $88 | $574 |
| 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. |
19 | $208 | $549 |
| Destruction of cancer skin growth, 0.6-1.0 cm This procedure involves the removal or destruction of a cancerous skin growth measuring 0.6 to 1.0 centimeters. It is performed on the scalp, neck, hands, feet, or genitals. |
17 | $89 | $287 |
| Destruction of small cancerous skin growth on face or mouth This procedure involves the removal or destruction of a cancerous skin lesion measuring 0.5 centimeters or less located on the face, ears, eyelids, nose, lips, or mouth. |
17 | $75 | $282 |
| 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. |
16 | $34 | $85 |
| 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. |
16 | $77 | $200 |
| 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. |
16 | $89 | $453 |
| Shaving of small skin growth on face or mouth area A minor procedure to shave off a small skin growth, measuring 0.5 cm or less, located on the face, ears, eyelids, nose, lips, or mouth. |
15 | $67 | $198 |
| Destruction of cancer skin growth on trunk, arms, or legs, 0.5 cm or less This procedure involves the removal or destruction of a cancerous skin growth located on the trunk, arms, or legs that is 0.5 centimeters or smaller in size. |
15 | $53 | $226 |
| Shaving of skin growth, 0.6-1.0 cm A minor procedure to shave off a skin growth on the body, arms, or legs that measures between 0.6 and 1.0 centimeters. |
12 | $59 | $206 |
| Skin cancer removal, face or mouth area, 0.6-1.0 cm Surgical removal of a cancerous skin growth from the face, ears, eyelids, nose, lips, or mouth. The procedure involves excising a lesion measuring between 0.6 and 1.0 centimeters. |
12 | $90 | $415 |
| Tissue fungi or parasites test A laboratory test to detect the presence of fungi or parasites in a tissue sample. |
11 | $4 | $32 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
11 | $85 | $307 |
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 (62%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in dermatology 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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Andersen is a clinical cardiology specialist, with above-average Medicare volume (top 23% in PA), with speaking/promotional industry engagement, with 20 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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