Dr. Alexi P. Zemsky
- Gender: Male
- Experience: 19 years
- Graduated from: Tulane University School Of Medicine
- Graduation year: 2002
- Sole propriator: No
- NPI: 1598944928
Dr. Alexi P. Zemsky MD
Cardiac Electrophysiologist
He is located at 4400 Northeast Halsey Street Suite 102 in Portland, OR 97213. Can help patients with the following: Acute Pain, Fever, Heart Disease, Migraine, Renal Vascular Disease, Wolff-Parkinson-White Syndrome (WPW). His National Provider Identifier (NPI) number is 1598944928. Appointment can be made via the phone number (503) 962-1000. He is affiliated with 2 practices and 5 hospitals.
Conditions treated
Dr. Alexi Paul Zemsky, being an cardiac electrophysiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Alexi P. Zemsky.
- Abdominal Pain
- Acute Pain
- Anemia
- Angina
- Arthritis
- Asthma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Septal Defect (ASD)
- Bladder Control
- Bradycardia
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Common Cold
- Congenital Heart Disease (CHD)
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pacemaker
- Peptic Ulcer
- Pericardial Tamponade
- Pericarditis
- Prescription Refill
- Renal Vascular Disease
- Rheumatic Heart Disease
- Urethritis
- Urinary Tract Infection (UTI)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. Alexi P. Zemsky
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Alexi P. Zemsky as in-network for the following 2026 plans.
Health plans
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Providence Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect 1500 Gold | EPO · Gold | Connect | Not accepting new patients |
| Connect 6000 Silver | EPO · Silver | Connect | Not accepting new patients |
| Connect 9800 Bronze | EPO · Expanded Bronze | Connect | Not accepting new patients |
| HSA Qualified 7500 Bronze - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Choice Network | EPO · Gold | Choice | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Choice Network | EPO · Silver | Choice | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Signature Network | EPO · Silver | EPO | Not accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Alexi P. Zemsky is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Alexi P. Zemsky is enrolled to bill Medicare as a Practitioner - Cardiac Electrophysiology (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .
Bills through: Providence Health & Services Oregon
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Boston Scientific | $1843 |
| Medtronic | $987 |
| The Spectranetics | $963 |
Other
| Food and Beverage | $2769 |
| Travel and Lodging | $2394 |
Studies
TULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2002Additional Specialities
- Internist
Affiliated hospitals
Questions & Answers
What conditions does Dr. Alexi Paul Zemsky treat?
Dr. Alexi Paul Zemsky provides treatment for Acute Pain, Fever, Heart Disease, Migraine, Renal Vascular Disease, Wolff-Parkinson-White Syndrome (WPW). For the full list see this list.
Where can you meet with Dr. Alexi Paul Zemsky?
Dr. Alexi Paul Zemsky's office is located at 4400 Northeast Halsey Street Suite 102 in Portland, OR 97213.
Does Dr. Alexi Paul Zemsky accept patients with Providence Health Plan?
Yes, Dr. Alexi Paul Zemsky is listed in-network for Providence Health Plan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Alexi Paul Zemsky affiliation with hospitals?
Dr. Alexi Paul Zemsky is affiliated with PROVIDENCE PORTLAND MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. Alexi Paul Zemsky have affiliation with practices?
Dr. Alexi Paul Zemsky is affiliated with Providence Health & Services - Oregon. For the full list of practices see this list.