Dr. Christopher Chien Mai, MD
- Medicare services, 2024
- 2,756
- Medicare patients, 2024
- 747
- Part D claims, 2024
- 10,943
- Hospital affiliations
- 3
- Industry payments
- $2,959
- Practice address
- 821 State Road 44, New Smyrna Beach, FL 32168
- Practice phone
- Call (386) 409-8855
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
U.S. Renal Care - New Smyrna Beach
Dialysis Center - Independent · New Smyrna Beach, Florida
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. Christopher Chien Mai is a nephrologist in New Smyrna Beach, Florida
Dr. Mai practices at U.S. Renal Care - New Smyrna Beach in New Smyrna Beach, Florida.
Dr. Mai's NPI, 1518957596, was assigned on October 21, 2005. Dr. Mai graduated from Drexel University College Of Medicine in 1995. Dr. Mai holds Florida license ME80709.
- NPI
- 1518957596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648181941
- NPI enumeration date
- October 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (386) 409-8855
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Chien Mai practices at U.S. Renal Care - New Smyrna Beach in New Smyrna Beach, Florida
Dr. Mai's primary practice is U.S. Renal Care - New Smyrna Beach, at 821 State Road 44, New Smyrna Beach, FL 32168 in Volusia County. The practice phone is (386) 409-8855.
- U.S. Renal Care - New Smyrna Beach821 State Road 44, New Smyrna Beach, FL 32168 · Volusia CountyPhone(386) 409-8855
Source: Dmand AI Affiliation Data
Dr. Christopher Chien Mai is affiliated with 5 sites of care
Dr. Mai's primary practice is U.S. Renal Care - New Smyrna Beach in New Smyrna Beach, Florida. Dr. Mai is also affiliated with AdventHealth New Smyrna Beach. Dmand AI also links Dr. Mai to 2 more hospitals and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Chien Mai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mai practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| U.S. Renal Care - New Smyrna Beach | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Chien Mai is one of 917 nephrologists in Florida
Nephrology is Dr. Mai's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Mai is licensed in Florida.
Specialties and state licenses
- Nephrology, FloridaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic hypertension, chronic kidney disease, contact dermatitis, facial skin infection, fluid and electrolyte imbalances, heart failure and high cholesterol among the conditions Dr. Mai treats.
Nephrologists near Dr. Mai
Counts of nephrologists 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. Christopher Chien Mai billed Medicare for 2,756 services in 2024
CMS data shows 2,756 Medicare services from Dr. Mai across 9 procedure codes in 2024, for 747 Medicare patients. Medicare paid $309,823 for them.
Dr. Mai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,4732024: 2,2718%
- Tests and treatments
- 2023: 1,1312024: 48557%
Where Dr. Mai's Medicare services took place, 2024
- In an office1,86268%
- In a facility89432%
Dr. Mai compared with the Florida median for nephrologists, 2024
- Dr. Mai
- Florida median
- Medicare services
- 2,756vs 1,49085% above
- Medicare patients
- 747vs 38793% above
- Part D claims
- 10,360vs 93411.1 times
Medians across 882 nephrologists in Florida 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.
Need commercial claims for Dr. Mai?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mai and other nephrologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Chien Mai treated 747 Medicare patients in 2024, average age 77
CMS counts 747 Medicare patients who saw Dr. Mai in 2024. The largest group is 75 to 84, with 356 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 8% are also on Medicaid. Their average risk score is 2.47, 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 78, with 50% women.
Dr. Mai's Medicare patients by age, 2024
Dr. Mai's Medicare patients by sex, 2024
- Women36449%
- Men38351%
Chronic conditions among Dr. Mai's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease49%
- Diabetes48%
- Atrial fibrillation36%
- Heart failure34%
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 78
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Chien Mai wrote 10,943 Medicare Part D claims in 2024
In 2024, Dr. Mai wrote 10,943 Medicare Part D claims for 1,233 patients. 86% of them were for generic drugs. CMS names the drug for 10,360 of them, across 97 drugs with 11 or more claims each, at $1,522,040 in total drug cost. In 2023, CMS named 9,684 claims across 97 drugs.
Dr. Mai's Part D claims by kind of drug, 2024
- Generic9,456 claims86%
- Brand-name1,468 claims13%
- Other19 claims0%
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
- Opioids2%186 of 10,943 claims
- Antibiotics1%104 of 10,943 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,6842024: 10,3607%
Drugs named by CMS: 97 in 2024, 97 in 2023.
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
How Dr. Christopher Chien Mai takes part in Medicare
Dr. Mai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher Chien Mai received $2,959 in industry payments from 2016 to 2025
CMS Open Payments shows 181 general payments to Dr. Mai from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Horizon Pharma plc paid the most, $828.
General payments to Dr. Mai by program year, 2016 to 2025
General payments to Dr. Mai by kind, 2016 to 2025
- Food and beverage$2,84196%
- Education$1184%
Companies that paid Dr. Mai the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Chien Mai graduated from Drexel University College Of Medicine
Dr. Mai graduated from Drexel University College Of Medicine in 1995. Dr. Mai is a member of ACP.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Christopher Chien Mai accepts plans from 14 insurance carriers
Dr. Mai is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Florida Health Care Plans
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Mai accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS6
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher Chien 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Christopher Chien 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. Christopher Chien Mai's NPI number?
Dr. Christopher Chien Mai's NPI number is 1518957596. It was assigned on October 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Chien Mai?
Dr. Christopher Chien Mai is a nephrologist in New Smyrna Beach, Florida. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Christopher Chien Mai practice?
Dr. Mai practices at 821 State Road 44, New Smyrna Beach, FL 32168. Dr. Mai's primary practice is U.S. Renal Care - New Smyrna Beach in New Smyrna Beach, Florida. Dmand AI also links Dr. Mai to 2 hospitals and 1 physician office.
What is Dr. Christopher Chien Mai's office phone number?
The practice phone on file for Dr. Mai is (386) 409-8855.
What is Dr. Christopher Chien Mai's medical license number?
Dr. Mai holds Florida license ME80709.
Which hospitals is Dr. Christopher Chien Mai affiliated with?
Dr. Mai is affiliated with AdventHealth New Smyrna Beach. Dmand AI links Dr. Mai to 2 more hospitals.
Does Dr. Christopher Chien Mai accept Medicare?
Yes. CMS data shows Dr. Mai billed Medicare for 2,756 services in 2024, and Dr. Mai accepts Medicare assignment.
How many Medicare patients does Dr. Christopher Chien Mai see?
CMS counts 747 Medicare patients who saw Dr. Mai in 2024, with an average age of 77.
What services does Dr. Christopher Chien Mai bill to Medicare?
In 2024, Dr. Mai's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and dialysis (90960).
Where did Dr. Christopher Chien Mai go to medical school?
Dr. Mai graduated from Drexel University College Of Medicine in 1995.
Show 4 more questionsShow fewer questions
What drugs does Dr. Christopher Chien Mai prescribe most?
In 2024 Medicare Part D data, Dr. Mai's most prescribed drugs by claims were Calcitriol, Farxiga and Metoprolol Succinate.
Has Dr. Christopher Chien Mai received payments from drug or device companies?
CMS Open Payments shows $2,959 in general payments to Dr. Mai from 31 companies from 2016 to 2025. The largest total came from Horizon Pharma plc.
How long has Dr. Christopher Chien Mai been practicing?
Dr. Mai graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Christopher Chien Mai accept?
Dr. Mai is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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