Dr. Paul Zei, M.D., PH.D.
What this data tells you about Dr. Zei
Dr. Paul Zei is an optician specialist in Boston, MA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Zei performed 1,857 Medicare services across 1,339 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zei received a total of $741,082 from 14 pharmaceutical and/or device companies across 271 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. Payments are distributed across multiple categories and often reflect legitimate professional engagement with the medical industry. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Zei 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 |
|---|---|---|---|
| EKG interpretation and report A standard electrocardiogram test that records the heart's electrical activity using at least 12 leads. The service includes a professional interpretation of the results and a written report. |
324 | $7 | $34 |
| Remote pacemaker monitoring, 90 days Remote assessment of a pacemaker system, including single, dual, multiple lead, or leadless devices, performed up to 90 days apart. |
292 | $21 | $124 |
| External EKG monitoring, 8-15 days Continuous external electrocardiogram recording and review over a period of 8 to 15 days to monitor heart rhythm. |
197 | $22 | $109 |
| 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. |
158 | $146 | $763 |
| Remote cardiac rhythm monitor evaluation, up to 30 days Review and analysis of data from a remote cardiac rhythm monitoring system over a period of up to 30 days. |
157 | $20 | $108 |
| Remote evaluation of implantable defibrillator system Remote assessment of a single, dual, or multiple lead implantable defibrillator system within 90 days of the previous evaluation. |
133 | $26 | $268 |
| Continuous ECG monitoring, up to 30 days Continuous heart rhythm monitoring for up to 30 days, including professional review and reporting of the results. |
82 | $21 | $106 |
| Heart chamber tissue destruction via catheter A procedure that destroys tissue in the upper heart chamber using a tube to treat abnormal heart rhythm. |
63 | $256 | $1,771 |
| Atrial fibrillation ablation with pulmonary vein isolation A procedure to treat atrial fibrillation by mapping the heart's electrical activity and destroying tissue causing irregular contractions. This is done by isolating the pulmonary veins using catheter-based destruction. |
56 | $790 | $4,569 |
| Initial hospital admission, low complexity Initial hospital inpatient or observation care for a new patient involving straightforward or low-level medical decision making, with at least 40 minutes total time on the date of the encounter. |
48 | $70 | $407 |
| Catheter ablation for abnormal heart rhythm A procedure where catheters are inserted to destroy tissue causing irregular heartbeats. |
47 | $256 | $1,773 |
| Continuous EKG monitoring review, 48-7 days Review and interpretation of continuous external EKG recordings lasting more than 48 hours up to 7 days. |
46 | $20 | $99 |
| Pacemaker programming, dual lead system Adjustment and configuration of a dual-lead pacemaker device to ensure proper operation and settings. |
42 | $27 | $156 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
36 | $42 | $168 |
| New patient office visit, complex (60-74 min) | 35 | $173 | $993 |
| Pacemaker system programming Adjustment and configuration of a pacemaker device to ensure proper operation. This service involves setting device parameters before or after surgical implantation. |
32 | $12 | $62 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
24 | $67 | $303 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
17 | $110 | $546 |
| Programming of dual lead implantable defibrillator system Adjustment and testing of the settings for an implanted heart device with two leads to ensure proper function. |
16 | $44 | $233 |
| Programming of multiple lead implantable defibrillator system Adjustment and testing of the settings for an implanted heart device with multiple leads to ensure proper function. |
15 | $52 | $253 |
| Radiofrequency ablation for supraventricular tachycardia A procedure to locate and destroy abnormal heart tissue in the upper chambers of the heart that causes a rapid heart rate. |
13 | $686 | $3,379 |
| Pacemaker insertion with heart chamber electrodes A surgical procedure to implant a pacemaker device and place electrodes into the upper and lower chambers of the heart to regulate heart rhythm. |
12 | $431 | $2,451 |
| Ultrasound of heart blood vessels with radiologist review An ultrasound exam that evaluates blood vessels within the heart, including a review of the results by a radiologist. |
12 | $63 | $760 |
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 ›
Payments are distributed across multiple categories with no single dominant type. Total industry engagement is in the top 1% for optician in MA.
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. Zei is a remote & electrophysiology specialist, with moderate Medicare volume, with mixed engagement industry engagement in the top 1% of MA 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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