Isabelle Barnard Moonan, M.D.
Gastroenterology Internal Medicine
Isabelle Barnard Moonan is a Gastroenterology Internal Medicine specialist based in Monterey, CA with over 35 years of clinical experience. Offers virtual telehealth visits.
Isabelle Barnard Moonan, M.D. has been part of the Monterey medical community since 2006 in group practice. A Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University graduate since 1991, she brings 35+ years of experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 51% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 1983dNPPES updated 2020-12-18 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
23 Upper Ragsdale Dr Suite 200, Monterey, CA 93940
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-8%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-8%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+4%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-14%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-14%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1991
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Board certified · Dec 17, 2020
Self-reported via NPPES
35 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (Class of 1991)
Mailing address
23 Upper Ragsdale Dr Suite 200, Monterey, CA 93940-5771
Differs from practice location
Virtual Internal Medicine Care With Isabelle Barnard Moonan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Isabelle Barnard Moonan for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Monterey required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Isabelle Barnard Moonan
NPI records show Dr. Moonan as active with telehealth listed in Monterey, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (831) 375-3577.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Isabelle Barnard Moonan
Practice Location
23 Upper Ragsdale Dr Suite 200, Monterey, CA 93940
This is a provider directory. Contact the office directly to schedule appointments.
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