Dr. John Gambol, M.D.
What this data tells you about Dr. Gambol
Dr. John Gambol is an emergency medicine specialist in Placentia, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Gambol performed 3,738 Medicare services across 625 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gambol received a total of $1,328 from 17 pharmaceutical and/or device companies across 56 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in emergency medicine. 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. Gambol 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 (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. |
1,403 | $53 | $159 |
| Wound tissue removal, 20 sq cm or less This procedure involves the removal of tissue from a wound area measuring 20 square centimeters or less. |
442 | $28 | $167 |
| Oxygen chamber therapy management This code covers the professional management and oversight of a patient undergoing oxygen chamber therapy. It involves monitoring the patient's response and adjusting the treatment plan as needed. |
440 | $85 | $260 |
| Wound tissue removal, each additional 20 sq cm This procedure involves the removal of tissue from a wound. It is billed for each additional 20 square centimeters of tissue removed beyond the initial amount. |
435 | $20 | $55 |
| Skin and tissue removal, 20 sq cm or less This procedure involves the surgical excision of skin and underlying tissue from an area measuring 20 square centimeters or smaller. |
431 | $49 | $250 |
| 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. |
366 | $79 | $220 |
| Additional skin and tissue removal, per 20 sq cm This code covers the removal of skin and tissue for each additional 20 square centimeters or less beyond the initial procedure. |
172 | $21 | $104 |
| 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. |
34 | $60 | $220 |
| 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. |
15 | $112 | $336 |
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 (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 9% for emergency medicine in CA.
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. Gambol is a clinical cardiology specialist, with above-average Medicare volume (top 1% in CA), with low-engagement industry engagement in the top 9% of CA peers, 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
Is Dr. Gambol experienced with office visit, established patient (20-29 min)?
Does Dr. Gambol receive payments from pharmaceutical companies?
How do Dr. Gambol's costs compare to other emergency medicines in Placentia?
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