Summary

Dr. John Massaro treats heart failure, hypertension, and electrolyte imbalance as an internal medicine physician with 29 years of experience. He practices in San Luis Obispo and Watsonville, California. He completed his residency at Nassau University Medical Center and earned his degree from New York Institute of Technology College of Osteopathic Medicine.

Overview based on verified provider data

Quick Facts

  • 29 years of experience
  • 18 insurance plans accepted
  • Nassau University Medical Center
  • 1 specialty
  • 8 areas of expertise
  • 4 office locations
  • Male

Office Locations

Dr. John Michael Massaro has 4 locations

French Hospital Medical Center

1911 Johnson AveSan Luis Obispo, CA 93401

Watsonville Community Hospital

75 Nielson StWatsonville, CA 95076

Sierra Vista Regional Medical Center

1010 Murray AveSan Luis Obispo, CA 93405

California Mens Colony Hospital

Highway 1 NSan Luis Obispo, CA 93401

Compare with Similar Doctors

Dr. John Michael Massaro, DO
Dr. George Mousa, MD
Dr. Adama Diarra, DO
Eric Harker
Dr. John Michael Massaro, DODr. George Mousa, MDDr. Adama Diarra, DOEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
0 
0 
5 
4 
29 Years of Experience 17 Years of Experience 14 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, French, Bambara Speaks English
San Luis Obispo , CAUpland , CATigard , ORLyons , CO
Med School: New York Institute Of Technology College Of Osteopathic Medicine Med School: University Of Aleppo Faculty Of Medicine Med School: Arizona College of Osteopathic Medicine Med School: Duke University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. John Michael Massaro

  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CareSource
  • CenCal Health
  • Hawaii Medical Assurance Association (HMAA)
  • Humana
  • Humana - HMO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - IPA

Medical Specialties

Dr. John Michael Massaro has the following specialty

Specialty Expertise

Dr. John Michael Massaro has the following 8 areas of expertise

  • Check-up
  • Flu (Human Influenza)
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

29 Years Experience

Dr. John Michael Massaro holds an active medical license in the state of California.

Medical License

Doctor Of Osteopathy with an active medical license in the state of California that expires in 2027.

Education & Training

Residency

Completed their residency at Nassau University Medical Center.

Medical School

Graduated from New York Institute Of Technology College Of Osteopathic Medicine in 1997.

NPI Number

Dr. Massaro's NPI number is 1588665293.

Similar doctors

Frequently Asked Questions

Where is Dr. John Massaro's office located?
Dr. John Massaro's office is located at 1911 Johnson Ave, San Luis Obispo, CA, 93401.
Does Dr. John Massaro accept my insurance?
You can see the insurance plans that Dr. John Massaro accepts on their Vitals profile.
How can I make an appointment with Dr. John Massaro?
You can find contact information for Dr. John Massaro here on Vitals.
Is Dr. John Massaro accepting new patients?
Dr. John Massaro has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. John Massaro accept virtual/telehealth appointments?
Dr. John Massaro has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards

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.