Dr. William J. Zaks
- Gender: Male
- Experience: 34 years
- Graduated from: University Of Virginia School Of Medicine
- Graduation year: 1987
- Sole propriator: No
- NPI: 1437249307
Dr. William J. Zaks MD
Endocrinologist
He is located at 1380 South Columbia Road in Grand Forks, ND 58201. Can help patients with the following: Cystitis, Diabetes Insipidus (DI), Diabetes Mellitus (DM) Type 1, Hyperthyroidism, Thyroiditis, Vitamin D Deficiency. His National Provider Identifier (NPI) number is 1437249307. Appointment can be made via the phone number (701) 795-2000. He is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. William J. Zaks, being an endocrinologist, 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. William J. Zaks.
- Abdominal Pain
- Achondroplasia
- Acute Pain
- Addison's Disease
- Amyloidosis
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Bone Loss
- Carcinoid Tumor
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cushing's Syndrome
- Cystitis
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Diarrhea
- Edema
- Fertility
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypothyroidism
- Influenza
- Inguinal Hernia
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
- Wilson-Turner Syndrome
Procedures Performed by Dr. William J. Zaks
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William J. Zaks as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Jul 13, 2026, as reported by the insurer.
Show all 18 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Altru Prime by Medica Bronze $0 Copay PCP Visits | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Altru Prime by Medica Bronze Share | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Altru Prime by Medica Expanded Bronze Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Altru Prime by Medica Gold $0 Copay PCP Visits | HMO · Gold | Preferred | Accepting new patients |
| Altru Prime by Medica Gold Share | HMO · Gold | Preferred | Accepting new patients |
| Altru Prime by Medica Gold Standard | HMO · Gold | Preferred | Accepting new patients |
| Altru Prime by Medica Silver $0 Copay PCP Visits | HMO · Silver | Preferred | Accepting new patients |
| Altru Prime by Medica Silver Share | HMO · Silver | Preferred | Accepting new patients |
| Altru Prime by Medica Silver Standard | HMO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Bronze $0 Copay PCP Visits | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Bronze Share | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Expanded Bronze Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Gold $0 Copay PCP Visits | HMO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Share | HMO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Standard | HMO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Silver $0 Copay PCP Visits | HMO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Share | HMO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Standard | HMO · Silver | Preferred | 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. William J. Zaks 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. William J. Zaks is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Endocrinology) .
Bills through: Altru Health System
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated in 1987Additional Specialities
- Internist
Sanctions
| Date | Description | Board |
|---|---|---|
| 05/20/2013 | 5-20-13: Complaint issued for continued pattern of inappropriate care regarding the monitoring of controlled substance prescriptions. 6-25-13: Stipulation entered. 7-26-13: Order entered. Prescribing privileges for controlled substances suspended for one year. Suspension stayed for two years upon conditions. | Board of Medicine |
Questions & Answers
Where can you meet with Dr. William J. Zaks?
Dr. William J. Zaks's office is located at 1380 South Columbia Road in Grand Forks, ND 58201.
Does Dr. William J. Zaks accept patients with Medica?
Yes, Dr. William J. Zaks is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. William J. Zaks treat?
Dr. William J. Zaks provides treatment for Cystitis, Diabetes Insipidus (DI), Diabetes Mellitus (DM) Type 1, Hyperthyroidism, Thyroiditis, Vitamin D Deficiency. For the full list see this list.
Does Dr. William J. Zaks have affiliation with practices?
Dr. William J. Zaks is affiliated with Altru Clinic - Greenbush. For the full list of practices see this list.
Has Dr. William J. Zaks affiliation with hospitals?
Dr. William J. Zaks is affiliated with ALTRU HOSPITAL.