Dr. Willem J. Van Der Werf
- Gender: Male
- Experience: 33 years
- Graduated from: University Of California, San Francisco School Of Medicine
- Graduation year: 1988
- Sole propriator: No
- NPI: 1275563397
Dr. Willem J. Van Der Werf M.D.
Surgeon
He is located at 2218 North 3rd Street in Phoenix, AZ 85004. Can help patients with the following: Anal Fissure, Appendicitis, Cyst, Gangrene, Peptic Ulcer, Sebaceous Cyst. His National Provider Identifier (NPI) number is 1275563397. Appointment can be made via the phone number (602) 252-2543. He is affiliated with 5 practices and 3 hospitals.
Conditions treated
Dr. Willem J. Van Der Werf, being an surgeon, 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. Willem J. Van Der Werf.
- Achalasia
- Anal Fissure
- Appendicitis
- Boils
- Cancer
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Ulcerative Colitis
Procedures Performed by Dr. Willem J. Van Der Werf
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Willem J. Van Der Werf as in-network for the following 2026 plans.
Health plans
Ambetter from Arizona Complete Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter from Arizona Complete Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Choice Bronze HSA + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Silver | HMO · Silver | Preferred | Accepting new patients |
| Complete Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Elite Gold | HMO · Gold | Preferred | Accepting new patients |
| Elite Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Blue Cross Blue Shield of Arizona
Network data as of Jun 29, 2026, as reported by the insurer.
Show all 9 plans from Blue Cross Blue Shield of Arizona
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Accepting new patients |
| AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Gold | Neighborhood | Accepting new patients |
| AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Silver | Neighborhood | Accepting new patients |
| AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) (7 plan variants) | HMO · Gold | Neighborhood | Accepting new patients |
| AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) (7 plan variants) | HMO · Silver | Neighborhood | Accepting new patients |
| AZ Blue Portfolio Bronze HSA Neighborhood (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Accepting new patients |
| AZ Blue StandardHealth Bronze Neighborhood (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Accepting new patients |
| AZ Blue StandardHealth Gold Neighborhood (7 plan variants) | HMO · Gold | Neighborhood | Accepting new patients |
| AZ Blue StandardHealth Silver Neighborhood (7 plan variants) | HMO · Silver | Neighborhood | Accepting new patients |
Imperial Insurance Companies, Inc.
Network data as of Sep 16, 2025, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Imperial Preferred Gold | HMO · Gold | Preferred | Accepting new patients |
| Imperial Preferred Silver | HMO · Silver | Preferred | Accepting new patients |
| Imperial Standard Bronze | HMO · Expanded Bronze | Standard | Accepting new patients |
| Imperial Standard Gold | HMO · Gold | Standard | Accepting new patients |
| Imperial Standard Silver | HMO · Silver | Standard | 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. Willem J. Van Der Werf 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. Willem J. Van Der Werf is enrolled to bill Medicare as a Practitioner - General Surgery .
Bills through: Arizona Transplant Associates Pc
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.
Studies
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated in 1988Affiliated practices
Affiliated hospitals
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Questions & Answers
What conditions does Dr. Willem J. Van Der Werf treat?
Dr. Willem J. Van Der Werf provides treatment for Anal Fissure, Appendicitis, Cyst, Gangrene, Peptic Ulcer, Sebaceous Cyst. For the full list see this list.
Has Dr. Willem J. Van Der Werf affiliation with hospitals?
Dr. Willem J. Van Der Werf is affiliated with BANNER - UNIVERSITY MEDICAL CENTER PHOENIX. For the full list of hospitals see this list.
Does Dr. Willem J. Van Der Werf accept patients with Ambetter from Arizona Complete Health?
Yes, Dr. Willem J. Van Der Werf is listed in-network for Ambetter from Arizona Complete Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Willem J. Van Der Werf have affiliation with practices?
Dr. Willem J. Van Der Werf is affiliated with Banner -- University Medical Center Phoenix. For the full list of practices see this list.
Where can you meet with Dr. Willem J. Van Der Werf?
Dr. Willem J. Van Der Werf's office is located at 2218 North 3rd Street in Phoenix, AZ 85004.