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Medicare (Case by Case) + 11 Networks
Telehealth
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About Dr. Hy Phung Ngo
Background and practice information
Dr. Hy Phung Ngo is an internal medicine physician with over 28 years of clinical experience serving patients in the San Gabriel, CA area. He completed his medical training at University Of California, Davis School Of Medicine and has been in practice since 1998.
Dr. Hy Phung Ngo's clinical practice focuses on treating patients with high cholesterol, high blood pressure, type 2 diabetes, and related conditions.
Dr. Hy Phung Ngo is in-network with 11 insurance providers, including Aetna, Blue Shield of California, Centene, and 8 more. Patients are encouraged to verify coverage with his office before scheduling an appointment.
At a Glance
Education
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Claim this profilePractice Locations
1 location
625 E Valley Blvd
San Gabriel, CA 91776
(626) 572-4658
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Hy Phung Ngo
Services & Procedures
Dr. Hy Phung Ngo's clinical practice encompasses office visits, preventive care, diagnostic testing, and 1 other areas of care. Based on Medicare utilization data, Dr. Hy Phung Ngo has provided a substantial volume of services, reflecting an active and established practice in internal medicine.
Office Visits
1,884 servicesDr. Hy Phung Ngo provides patient consultations ranging from routine follow-ups to comprehensive evaluations, including follow-up visit and phone consultation and new patient visit. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 53% below the billed amount.
Preventive Care
274 servicesDr. Hy Phung Ngo delivers preventive health services including wellness visits, vaccinations, and health screenings, including annual wellness visit; includes a personalized prevention plan of service , initial visit, initial wellness exam, and other related services. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 43% below the billed amount.
Diagnostic Testing
88 servicesDr. Hy Phung Ngo orders and interprets diagnostic tests to support clinical decision-making, including blood draw and EKG. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 87% below the billed amount.
Injections & Procedures
63 servicesDr. Hy Phung Ngo performs therapeutic injections and minor procedures, with injection being a key part of his practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 74% below the billed amount.
Treatment Approach
Dr. Hy Phung Ngo's treatment approach includes prescribing Atorvastatin Calcium, Losartan Potassium, Amlodipine Besylate for his patients. These medications are commonly used for treating high cholesterol, high blood pressure, type 2 diabetes. He prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within his specialty. Dr. Hy Phung Ngo has treated a significant number of Medicare patients, demonstrating an established practice in this area.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Hy Phung Ngo accepts 52 plans from 11 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Safety
CMS quality performance and patient safety measures
Below Average
CMS Quality Score · Out of 100
Dr. Ngo received a quality score of 26.1 out of 100 from the Centers for Medicare & Medicaid Services (CMS). CMS evaluates internal medicine physicians through the Merit-based Incentive Payment System (MIPS) across clinical quality, cost efficiency, and care coordination. Patients in San Gabriel, CA may wish to discuss quality metrics and care approaches directly with the provider.
Clinical Quality
0.0/100Measures the quality of care provided based on clinical outcomes and patient safety
Cost Efficiency
87.0/100Evaluates how efficiently healthcare resources are used while maintaining quality
Care Improvement
0.0/40Reflects participation in activities that improve clinical practice and patient engagement
Source: CMS Merit-based Incentive Payment System
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $1.2K in payments to Dr. Hy Phung Ngo in 2024, primarily from Bayer Healthcare Pharmaceuticals Inc. for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.
Top Paying Companies
Source: CMS Open Payments, 2024.
Patient Reviews
Reviews and ratings from patients
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About Internal Medicine
Specialty overview and common conditions
An internal medicine physician (internist) is a medical doctor who specializes in the prevention, diagnosis, and treatment of diseases in adults. Internists are trained to manage complex, chronic, and multi-system illnesses, often serving as primary care doctors for adults or as consultants to other...
Common conditions treated by internal medicine specialists:
- Type 2 Diabetes Mellitus
- Hypertension (High Blood Pressure)
- Hyperlipidemia (High Cholesterol)
- Coronary Artery Disease (Heart Disease)
Frequently Asked Questions
Common questions about Hy Phung Ngo
Does Dr. Ngo accept Medicare?
Dr. Ngo may accept Medicare assignment on a case-by-case basis. This means Medicare coverage may apply for some services. Patients should contact the office directly to confirm Medicare acceptance for their specific visit.
What insurance does Dr. Ngo accept?
Dr. Ngo is in-network with 11 insurance providers, including Aetna, Blue Shield of California, Centene, Cigna, Humana, and 6 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Ngo's office before scheduling.
Does Dr. Ngo offer telehealth or virtual appointments?
Dr. Ngo does not currently list telehealth services. For virtual care options, contact the office directly or consider other internal medicine providers in San Gabriel who offer telehealth.
What conditions does Dr. Ngo treat?
As a internal medicine specialist, Dr. Ngo commonly treats conditions including type 2 diabetes mellitus, hypertension (high blood pressure), hyperlipidemia (high cholesterol), coronary artery disease (heart disease), chronic obstructive pulmonary disease (copd), and other related health concerns. Contact the office to discuss your specific healthcare needs.
What medications does Dr. Ngo commonly prescribe?
Based on Medicare prescribing data, Dr. Ngo commonly prescribes medications including Atorvastatin Calcium, Losartan Potassium, Amlodipine Besylate. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Ngo during their consultation.
What is Dr. Ngo's quality rating?
Dr. Ngo has received a quality score of 26.1 out of 100 from the Centers for Medicare & Medicaid Services (CMS) through the Merit-based Incentive Payment System (MIPS). This score reflects performance across quality measures, promoting interoperability, improvement activities, and cost efficiency.
Where did Dr. Ngo go to medical school?
Dr. Ngo completed medical training at University Of California, Davis School Of Medicine and has been practicing since 1998, bringing over 28 years of clinical experience.
Where is Dr. Ngo's office located?
Dr. Ngo practices at 625 E VALLEY BLVD, San Gabriel, CA 91776. You can reach the office by calling (626) 572-4658.
How do I make an appointment with Dr. Ngo?
To schedule an appointment with Dr. Ngo, call the office at (626) 572-4658. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
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Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards