Dr. Chinh Van Mai, MD
- Medicare services, 2024
- 17,255
- Medicare patients, 2024
- 467
- Part D claims, 2024
- 42,998
- Industry payments
- $6,350
- Affiliated sites
- 7
- Practice address
- 8251 Westminster Blvd Ste 110, Westminster, CA 92683
- Practice phone
- Call (714) 839-5898
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VM Clinic
Urgent Care Center · Westminster, California
Find Dr. Mai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Chinh Van Mai is an internist in Westminster, California
Dr. Mai practices at VM Clinic in Westminster, California.
Dr. Mai's NPI, 1992017636, was assigned on July 10, 2010. Dr. Mai graduated from University College of Medicine in 2000. Dr. Mai holds California license A126013.
- NPI
- 1992017636NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860627676
- NPI enumeration date
- July 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 839-5898
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chinh Van Mai practices at VM Clinic in Westminster, California
Dr. Mai's primary practice is VM Clinic, at 8251 Westminster Blvd Ste 110, Westminster, CA 92683. The practice phone is (714) 839-5898.
- VM Clinic8251 Westminster Blvd Ste 110, Westminster, CA 92683Phone(714) 839-5898
Source: Dmand AI Affiliation Data
Dr. Chinh Van Mai is affiliated with 7 sites of care and 3 medical groups
Dr. Mai's primary practice is VM Clinic in Westminster, California. The medical group on file is VM Clinic. Dmand AI also links Dr. Mai to 5 more home health agencies, 2 medical groups and 1 group practice or clinic, each named with a free account. Dr. Mai's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chinh Van Mai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mai practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VM Clinic | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chinh Van Mai is one of 16,751 internists in California
Internal medicine is Dr. Mai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mai is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Mai
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Chinh Van Mai billed Medicare for 17,255 services in 2024
CMS data shows 17,255 Medicare services from Dr. Mai across 41 procedure codes in 2024, for 467 Medicare patients. Medicare paid $624,638 for them. Every service was in an office.
Dr. Mai's Medicare services by type, 2024
- Office and hospital visits7,494
- Tests and treatments3,562
- Lab and pathology2,673
- Other services1,449
- Drugs given in the office1,206
- Surgery841
- Imaging30
Dr. Mai compared with the California median for internists, 2024
- Dr. Mai
- California median
- Medicare services
- 17,255vs 36147.8 times
- Medicare patients
- 467vs 1513.1 times
- Part D claims
- 42,196vs 421100.2 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Mai's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chinh Van Mai treated 467 Medicare patients in 2024, average age 79
CMS counts 467 Medicare patients who saw Dr. Mai in 2024. The largest group is 75 to 84, with 198 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 92% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mai's median patient age at 63, with 60% women.
Dr. Mai's Medicare patients by age, 2024
Dr. Mai's Medicare patients by sex, 2024
- Women28962%
- Men17838%
Chronic conditions among Dr. Mai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Osteoporosis69%
- Diabetes67%
- Arthritis59%
- Chronic kidney disease53%
- Heart failure38%
- Alzheimer's and dementia37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chinh Van Mai wrote 42,998 Medicare Part D claims in 2024
In 2024, Dr. Mai wrote 42,998 Medicare Part D claims for 635 patients. 71% of them were for generic drugs. CMS names the drug for 42,196 of them, across 266 drugs with 11 or more claims each, at $6,455,827 in total drug cost.
Dr. Mai's Part D claims by kind of drug, 2024
- Generic30,420 claims71%
- Brand-name11,029 claims26%
- Other1,549 claims4%
Dr. Mai's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mai's Part D claims, 2024
- Opioids0%110 of 42,998 claims
- Antibiotics2%867 of 42,998 claims
- Antipsychotics, patients 65 and over0%67 of 42,998 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Chinh Van Mai offers telehealth to Medicare patients
Dr. Mai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Chinh Van Mai received $6,350 in industry payments from 2024 to 2025
CMS Open Payments shows 251 general payments to Dr. Mai from 31 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $767.
General payments to Dr. Mai by program year, 2024 to 2025
General payments to Dr. Mai by kind, 2024 to 2025
- Food and beverage$6,30799%
- Education$431%
Companies that paid Dr. Mai the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chinh Van Mai graduated from University College of Medicine
Dr. Mai graduated from University College of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chinh Van Mai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chinh Van Mai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Chinh Van Mai's NPI number?
Dr. Chinh Van Mai's NPI number is 1992017636. It was assigned on July 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Chinh Van Mai?
Dr. Chinh Van Mai is an internist in Westminster, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chinh Van Mai practice?
Dr. Mai practices at 8251 Westminster Blvd Ste 110, Westminster, CA 92683. Dr. Mai's primary practice is VM Clinic in Westminster, California. Dmand AI also links Dr. Mai to 5 home health agencies, 2 medical groups and 1 group practice or clinic.
What is Dr. Chinh Van Mai's office phone number?
The practice phone on file for Dr. Mai is (714) 839-5898.
What is Dr. Chinh Van Mai's medical license number?
Dr. Mai holds California license A126013.
What medical group is Dr. Chinh Van Mai part of?
Dr. Mai is linked to VM Clinic. Dmand AI links Dr. Mai to 2 more medical groups.
Does Dr. Chinh Van Mai accept Medicare?
Yes. CMS data shows Dr. Mai billed Medicare for 17,255 services in 2024, and Dr. Mai accepts Medicare assignment.
Does Dr. Chinh Van Mai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mai as offering telehealth services.
How many Medicare patients does Dr. Chinh Van Mai see?
CMS counts 467 Medicare patients who saw Dr. Mai in 2024, with an average age of 79.
What services does Dr. Chinh Van Mai bill to Medicare?
In 2024, Dr. Mai's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and lab and pathology test (82947).
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Where did Dr. Chinh Van Mai go to medical school?
Dr. Mai graduated from University College of Medicine in 2000.
What drugs does Dr. Chinh Van Mai prescribe most?
In 2024 Medicare Part D data, Dr. Mai's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Amlodipine Besylate.
Has Dr. Chinh Van Mai received payments from drug or device companies?
CMS Open Payments shows $6,350 in general payments to Dr. Mai from 31 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Chinh Van Mai been practicing?
Dr. Mai graduated from medical school in 2000, 26 years ago.
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