Chinh Mai, MD

Internal Medicine

(714) 839-5898Westminster, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 26 years in internal medicine, Chinh Mai, MD is a long-established internist in Westminster. A University College of Medicine graduate since 2000, he brings 26+ years of experience. CMS Medicare data shows his patients commonly have hypertension, diabetes, and high cholesterol.

At a glance

  • Prescribes opioids less than 54% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 3,565 Internal Medicine providers in CASee all Internal Medicine in Westminster26+ years experienceNPI since 2010

Older · 1496dNPPES updated 2022-04-01 · verify on CMS

Contact & Location

Practice Location

8251 Westminster Blvd Ste 110, Westminster, CA 92683-3370

Fax: (855) 227-7512
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

0.39%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-4.7 pts)

Typical range among reporting doctors in California

0.39% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

75.1%

California avg: 83.3 · US avg: 82.8

Lower than most doctors nationally(-7.7 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

438

Unique beneficiaries

Standard volume

Prescription Recipients

567

Patients prescribed

Prescriptions Written

37,442

Total claims

Total Medicare drug cost: $6.20M

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

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 Hypertension, Diabetes, and High Cholesterol.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

Diabetes
Higher than avg (+41%)75%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+41%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Heart Failure
Higher than avg (+52%)74%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+52%) — a focus area for this doctor

Osteoporosis
Higher than avg (+52%)70%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+52%) — a focus area for this doctor

Arthritis
Higher than avg (+14%)63%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+14%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+24%)54%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+24%) — a focus area for this doctor

Alzheimer's / Dementia
41%

Progressive brain disorders causing memory loss and cognitive decline

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$2.5k received from industry

104 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Chinh Mai's NPI.

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2000

    University College of Medicine

  2. Board certified · Mar 31, 2022

    CMS-verified certification date

  3. 26 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

University College of Medicine (Class of 2000)

Practice Footprint

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 260163

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Chinh Mai

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Chinh Mai for blood pressure monitoring, diabetes check-ins, cholesterol management — no travel to Westminster required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Chinh Mai

NPI records show Dr. Mai as active with telehealth listed in Westminster, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 839-5898.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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