0 reviews
Summary
Dr. John "Casey" Heffernan practices internal medicine in Walla Walla, Washington. He sees patients for heart failure, edema, and lower extremity edema, and performs physical therapy, manual therapy, and strength training. Dr. Heffernan speaks English and Spanish.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 30 insurance plans accepted
- speaks English, Spanish
- 1 specialty
- 1 office location
- Male
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| John 'casey' Casey Heffernan, DO | Dr. Cora M. Ludwig, MD | Dr. Adewumi Bakare DMSc, PA-C | Dr. Adama Diarra, DO |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 18 Years of Experience | 14 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) | Speaks English, French, Bambara |
| Walla Walla , WA | Clackamas , OR | Mesquite , TX | Tigard , OR |
| Med School: University Of Washington School Of Medicine | Med School: University of Lynchburg - DMSc | Med School: Arizona College of Osteopathic Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by John 'casey' Casey Heffernan
Medical Specialties
John 'casey' Casey Heffernan has the following specialty
Certifications, License, & Education
John 'casey' Casey Heffernan holds an expired medical license in the state of Washington.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Washington that expired in 2026.
NPI Number
John 'casey' Casey Heffernan's NPI number is 1750818019.
Similar doctors
Frequently Asked Questions
- Is John 'casey' Heffernan accepting new patients?
- John 'casey' Heffernan is accepting new patients on Vitals. View John 'casey' Heffernan's profile on Vitals to make an appointment.
- Does John 'casey' Heffernan accept virtual/telehealth appointments?
- John 'casey' Heffernan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- What languages does John 'casey' Heffernan speak?
- John 'casey' Heffernan speaks English and Spanish.
- How can I make an appointment with John 'casey' Heffernan?
- You can find contact information for John 'casey' Heffernan here on Vitals.
- Where is John 'casey' Heffernan's office located?
- John 'casey' Heffernan's office is located at 380 Chase Ave, Walla Walla, WA, 99362.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.









