HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / AZ

CATHERINE WILLENBORG, PA

PHYSICIAN ASSISTANT

Graduated: 2005

NPI: 1154389153

Practice Locations (8)

MAYO CLINIC ARIZONA

5779 E MAYO BLVD, SPECIALITY BUILDING

PHOENIX, AZ 850544502

4803018000

MAYO CLINIC ARIZONA

5701 E MAYO BLVD

PHOENIX, AZ 850544502

4803424200

MAYO CLINIC ARIZONA

5777 E MAYO BLVD

PHOENIX, AZ 850544502

MAYO CLINIC ARIZONA

5777 E MAYO BLVD, MAYO CLINIC HOSPITAL

PHOENIX, AZ 850544502

8006030558

MAYO CLINIC ARIZONA

13400 E SHEA BLVD

SCOTTSDALE, AZ 852595404

4803018000

ADVENTIST HEALTH PHYSICIANS NETWORK

913 WASHINGTON ST

CALISTOGA, CA 945151433

ADVENTIST HEALTH PHYSICIANS NETWORK

6 WOODLAND RD, SUITE 303

SAINT HELENA, CA 945749562

7079630267

ADVENTIST HEALTH PHYSICIANS NETWORK

10 WOODLAND RD

SAINT HELENA, CA 945749554

7079675721

Source: CMS National Downloadable File, September 2026.