Summary

Dr. Peter Rosenberg specializes in gastroenterology, focusing on digestive system disorders and diseases. They earned their medical degree from Harvard Medical School and completed their residency training at Massachusetts General Hospital. With 33 years of experience in the field, Dr. Rosenberg brings extensive knowledge to patient care. They communicate with patients in English.

Dr. Rosenberg practices at California Hospital Medical Center and sees patients in Pasadena, California. They treat conditions such as colon polyps, abdominal pain, and upper GI bleeding. Dr. Rosenberg performs procedures including colonoscopy, lower GI endoscopy, and upper GI endoscopy to diagnose and treat digestive health concerns. Patients have given them an average rating of 4.9 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 33 years of experience
  • 56 insurance plans accepted
  • speaks English
  • Massachusetts General Hospital
  • 19 written reviews
  • 1 award
  • 1 specialty
  • 13 areas of expertise
  • 1 hospital affiliation
  • 1 office location

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

Unio Specialty Care - Gastroenterology

50 Alessandro Pl Ste 410Pasadena, CA 91105

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Dr. Peter Rosenberg, MDJan Seiler, APRNTheresa Obonyano, APRNRachel Oliver, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
33 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Pasadena , CAMontgomery , ALSacramento , CASacramento , CA
Med School: Harvard Medical School Med School: Georgia State University Med School: The University of Texas Health Science Center at Houston Med School: University of South Alabama
Current Profile
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Insurance Plans Accepted by Dr. Peter Rosenberg

  • AARP
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Bright Health
  • CareMore
  • Cigna
  • Community Health Group
  • Elderplan
  • Harvard Pilgrim Health Care
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • Health Plan of Nevada
  • Health Plan of San Mateo
  • HealthFirst (NY)
  • HealthPartners
  • HealthSmart
  • Humana
  • Humana - HMO
  • Imperial Health Plan of California
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • Magellan Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Optum Health
  • Oscar Health Insurance
  • Oscar Health Insurance - PPO
  • PacificSource Health Plans
  • Premier Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • SCAN Health Plan - Medicare (Advantage HMO)
  • Sierra Health and Life
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - IPA
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • Wellcare

Medical Specialties

Dr. Peter Rosenberg has the following specialty

Specialty Expertise

Dr. Peter Rosenberg has the following 13 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Capsule Endoscopy
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis
  • Viral Human Hepatitis

Certifications, License, & Education

33 Years Experience

Dr. Peter Rosenberg holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Massachusetts General Hospital.

Medical School

Graduated from Harvard Medical School in 1993.

NPI Number

Dr. Rosenberg's NPI number is 1104890664.

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Frequently Asked Questions

Is Dr. Peter Rosenberg accepting new patients?
Dr. Peter Rosenberg is accepting new patients on Vitals. View Dr. Peter Rosenberg's profile on Vitals to make an appointment.
Does Dr. Peter Rosenberg accept my insurance?
You can see the insurance plans that Dr. Peter Rosenberg accepts on their Vitals profile.
Which hospitals is Dr. Peter Rosenberg affiliated with?
Dr. Peter Rosenberg is affiliated with California Hospital Medical Center.
How can I make an appointment with Dr. Peter Rosenberg?
You can find contact information for Dr. Peter Rosenberg here on Vitals.
What languages does Dr. Peter Rosenberg speak?
Dr. Peter Rosenberg speaks English.

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