Dr. Jennifer Chwalek, MD
What this data tells you about Dr. Chwalek
Dr. Jennifer Chwalek is a dermatology specialist in Union City, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Chwalek performed 630 Medicare services across 423 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chwalek received a total of $13,661 from 20 pharmaceutical and/or device companies across 66 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in dermatology. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Chwalek 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. |
143 | $6 | $37 |
| 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. |
108 | $571 | $2,253 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 76 | $379 | $1,377 |
| 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. |
68 | $77 | $301 |
| 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. |
42 | $49 | $189 |
| 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. |
42 | $48 | $193 |
| Skin biopsy, tangential A procedure to remove a sample of the first identified skin growth for laboratory examination. |
28 | $81 | $285 |
| 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. |
27 | $216 | $1,041 |
| Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm | 23 | $141 | $1,100 |
| 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. |
20 | $114 | $788 |
| 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. |
20 | $133 | $992 |
| 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. |
17 | $540 | $2,005 |
| 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. |
16 | $83 | $256 |
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 (55%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.
Geographic Context
3.8 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. Chwalek is a clinical cardiology specialist, with moderate Medicare volume, with consulting-driven industry engagement in the top 13% 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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