Dr. Kathleen Chak
What this data tells you about Dr. Chak
Dr. Kathleen Chak is a geriatric medicine physician in Pismo Beach, CA, with 11 years of NPI registration. Based on federal Medicare data, Dr. Chak performed 2,925 Medicare services across 2,041 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chak received a total of $313 from 5 pharmaceutical and/or device companies across 16 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in geriatric medicine (internal medicine) physician. 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. Chak 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 |
|---|---|---|---|
| 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. |
1,406 | $91 | $287 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
351 | $134 | $305 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
179 | $141 | $309 |
| Pneumococcal conjugate vaccine (PCV20) An intramuscular injection of the 20-valent pneumococcal conjugate vaccine. It is used to protect against diseases caused by Streptococcus pneumoniae bacteria. |
163 | $279 | $322 |
| Pneumonia vaccine administration This procedure involves the injection of a vaccine to protect against pneumococcal disease. It is administered by a healthcare provider. |
163 | $32 | $45 |
| 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. |
117 | $65 | $281 |
| Ear wax removal by washing This procedure involves the removal of impacted ear wax using a washing technique. |
85 | $11 | $26 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
75 | $11 | $37 |
| 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. |
50 | $67 | $196 |
| 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. |
45 | $4 | $12 |
| Chest X-ray, 2 views An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall. |
36 | $26 | $67 |
| Flu vaccine, quadrivalent A flu shot containing four strains of the influenza virus to help prevent seasonal influenza infection. |
34 | $76 | $202 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
34 | $32 | $45 |
| Ultrasound of arm and leg arteries This procedure uses sound waves to create images of the blood vessels in the arms and legs. It allows healthcare providers to examine the structure and blood flow within these arteries. |
25 | $65 | $197 |
| 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. |
23 | $35 | $141 |
| 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. |
23 | $127 | $434 |
| Transitional care management services, moderate complexity Services provided to coordinate care during the transition from an inpatient or other facility setting back to the community. This includes follow-up and management of a health problem of at least moderate complexity. |
21 | $170 | $352 |
| X-ray of lower and sacral spine, minimum of 4 views An X-ray imaging test of the lower back and sacrum using at least four different angles to visualize the bones and joints. |
20 | $40 | $105 |
| Annual wellness visit, initial visit A yearly appointment to review your health and create a personalized prevention plan. This initial visit focuses on preventive care and health assessment. |
19 | $170 | $366 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
17 | $37 | $91 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
16 | $10 | $22 |
| Transitional care management, high complexity Coordination of care for a patient transitioning from a short-term hospital stay or other facility to home or another care setting. This service addresses a high-complexity medical problem. |
12 | $223 | $495 |
| Initial preventive physical examination, new Medicare beneficiary A comprehensive preventive health visit for new Medicare beneficiaries during their first 12 months of enrollment. The service is conducted as a face-to-face visit and is limited to preventive care. |
11 | $171 | $435 |
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 (2022-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
5.6 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. Chak is a clinical cardiology specialist, with above-average Medicare volume (top 18% in CA), with low-engagement industry engagement.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Chak experienced with office visit, established patient (30-39 min)?
Does Dr. Chak receive payments from pharmaceutical companies?
How do Dr. Chak's costs compare to other geriatric medicine physicians in Pismo Beach?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology