2026 NPPES data Nephrology Physician NPI 1518957596 M.D.
Verify on CMS →

Christopher Mai, M.D.

Nephrology Physician in New Smyrna Beach, Florida.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 10,569 in Nephrology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
10K
Medicare Part D claims · 1K beneficiaries · Nephrology Physician avg: 1K
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.1 · Exceptional
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Christopher Mai, M.D. reported a CMS MIPS final score of 100/100 - above the 83.1 national average - and filed 10,275 Medicare Part D claims in 2023.

100/100
MIPS score · +17 vs avg
10K
Part D claims, 2023
88%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.

Christopher Mai, M.D.'s MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure

100 Top 7% higher than 93% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). Below this entry. 90+: 189,403 scored providers (40%). This entry sits in this band. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

Where Christopher Mai, M.D. sits

This provider among nephrology physician peers

Across the 2,476 nephrology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Christopher Mai, M.D. writes more Part D claims than 99% of them and scores higher on MIPS quality than 93% - placing this provider in the high-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.

Part D claim volume vs MIPS quality, by specialty percentile

Lower volume · High qualityHigh volume · High qualityLower volume · Lower qualityHigh volume · Lower quality0255075100024.448.873.297.7Part D claim volume, percentile in specialtyMIPS quality, percentilePart D claim volume, percentile in specialty: 30 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 18 · MIPS quality, percentile: 83Part D claim volume, percentile in specialty: 37 · MIPS quality, percentile: 48Part D claim volume, percentile in specialty: 65 · MIPS quality, percentile: 40Part D claim volume, percentile in specialty: 40 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 12 · MIPS quality, percentile: 23Part D claim volume, percentile in specialty: 85 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 8 · MIPS quality, percentile: 25Part D claim volume, percentile in specialty: 10 · MIPS quality, percentile: 78Part D claim volume, percentile in specialty: 97 · MIPS quality, percentile: 87Part D claim volume, percentile in specialty: 22 · MIPS quality, percentile: 73Part D claim volume, percentile in specialty: 63 · MIPS quality, percentile: 55Part D claim volume, percentile in specialty: 93 · MIPS quality, percentile: 50Part D claim volume, percentile in specialty: 53 · MIPS quality, percentile: 3Part D claim volume, percentile in specialty: 60 · MIPS quality, percentile: 72Part D claim volume, percentile in specialty: 7 · MIPS quality, percentile: 57Part D claim volume, percentile in specialty: 57 · MIPS quality, percentile: 33Part D claim volume, percentile in specialty: 62 · MIPS quality, percentile: 10Part D claim volume, percentile in specialty: 92 · MIPS quality, percentile: 52Part D claim volume, percentile in specialty: 90 · MIPS quality, percentile: 45Part D claim volume, percentile in specialty: 52 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 35 · MIPS quality, percentile: 28Part D claim volume, percentile in specialty: 25 · MIPS quality, percentile: 65Part D claim volume, percentile in specialty: 5 · MIPS quality, percentile: 43Part D claim volume, percentile in specialty: 75 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 95 · MIPS quality, percentile: 53Part D claim volume, percentile in specialty: 43 · MIPS quality, percentile: 8Part D claim volume, percentile in specialty: 82 · MIPS quality, percentile: 68Part D claim volume, percentile in specialty: 0 · MIPS quality, percentile: 75Part D claim volume, percentile in specialty: 80 · MIPS quality, percentile: 62Part D claim volume, percentile in specialty: 23 · MIPS quality, percentile: 60Part D claim volume, percentile in specialty: 73 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 68 · MIPS quality, percentile: 63Part D claim volume, percentile in specialty: 33 · MIPS quality, percentile: 13Part D claim volume, percentile in specialty: 100 · MIPS quality, percentile: 77Part D claim volume, percentile in specialty: 55 · MIPS quality, percentile: 82Part D claim volume, percentile in specialty: 15 · MIPS quality, percentile: 15Part D claim volume, percentile in specialty: 87 · MIPS quality, percentile: 47Part D claim volume, percentile in specialty: 20 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 12 · MIPS quality, percentile: 28Part D claim volume, percentile in specialty: 77 · MIPS quality, percentile: 20Part D claim volume, percentile in specialty: 38 · MIPS quality, percentile: 68Part D claim volume, percentile in specialty: 48 · MIPS quality, percentile: 18Part D claim volume, percentile in specialty: 88 · MIPS quality, percentile: 5Part D claim volume, percentile in specialty: 58 · MIPS quality, percentile: 2Part D claim volume, percentile in specialty: 3 · MIPS quality, percentile: 37Part D claim volume, percentile in specialty: 67 · MIPS quality, percentile: 83Part D claim volume, percentile in specialty: 72 · MIPS quality, percentile: 35Part D claim volume, percentile in specialty: 2 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 42 · MIPS quality, percentile: 28Part D claim volume, percentile in specialty: 27 · MIPS quality, percentile: 38Part D claim volume, percentile in specialty: 83 · MIPS quality, percentile: 0Part D claim volume, percentile in specialty: 45 · MIPS quality, percentile: 88Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 17Part D claim volume, percentile in specialty: 78 · MIPS quality, percentile: 78Part D claim volume, percentile in specialty: 50 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 70 · MIPS quality, percentile: 20Part D claim volume, percentile in specialty: 28 · MIPS quality, percentile: 42Part D claim volume, percentile in specialty: 17 · MIPS quality, percentile: 57Part D claim volume, percentile in specialty: 47 · MIPS quality, percentile: 25Christopher Mai, M.D.-Part D claim volume, percentile in specialty: 99 · MIPS quality, percentile: 93
Part D claim volume vs MIPS quality, by specialty percentile

Each dot is one nephrology physician peer from a representative sample of 60; the gold marker is Christopher Mai, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.

Board certification likely (heuristic, not verified)

Christopher Mai, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Christopher Mai, M.D.?

High performer (top quartile)

NPI registry status

Active

Issued 10/21/2005

NPI 1518957596

Primary specialty

Nephrology Physician

Mid-sized

10,569 US NPIs in this specialty

Medicare Part D claims

10,275 vs specialty avg

2023 prescription claims

Specialty avg: 1,454

MIPS final score

100/100 16.9 pts vs avg

Exceptional band

vs 83.1 national avg

Specialty distribution in Florida

How Nephrology Physician compares to other specialties among Florida providers

Florida providers
Behavior Technician - 16.1%Behavior Technician16.1%Mental Health Counselor - 4.8%Mental Health Counselor4.8%Family Nurse Practitioner - 4.5%Family Nurse Practitioner4.5%Pharmacist - 4.2%Pharmacist4.2%Student in an Organized Health Care Education/Training Program - 3.8%Student in an Organized Health Care Education/Training Program3.8%Physical Therapist - 3.1%Physical Therapist3.1%Nephrology Physician - 0.1%Nephrology Physician0.1%
Largest specialties in Florida (% of in-state providers)

Medicare quality performance, MIPS

Christopher Mai, M.D.'s 2023 MIPS final score plotted against the Nephrology Physician national average

High performer (top quartile)
MIPS Final Score
100/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Nephrology Physician) - 100/100 vs national avg 83.1

0%100%National avg83%99%
MIPS final score (Nephrology Physician) - 100/100 vs national avg 83.1
How MIPS and board certification work

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

Christopher Mai, M.D. appears in the CMS NPPES registry as a Nephrology Physician provider holding M.D. credentials at 821 STATE ROAD 44, New Smyrna Beach, FL, 32168, with a listed phone of (386) 427-3767. NPI 1518957596 was issued on 10/21/2005.

Medicare Part D records for calendar year 2023 show 10,275 prescription claims written by this provider, covering 1,157 Medicare beneficiaries and totaling roughly $1.7 million in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 1.5%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year (Quality 100), compared with the national average of 83.1.

Nephrology Physician is a mid-sized specialty nationwide, with 10,569 enrolled providers across 55 states and an average of 1,454 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.

Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

821 STATE ROAD 44
New Smyrna Beach, FL 32168

Provider Details

NPI 1518957596
Specialty Nephrology Physician
Credentials M.D.
Gender Male
NPI Issued 10/21/2005

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

100
Final Score
Avg: 83.1
100
Quality

Reporting: Individual

License & disciplinary context - Florida FLDOH 2023 annual report

Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~75K Florida medical licensees in 2023 - they are NOT specific to Christopher Mai, M.D.. To verify Christopher Mai, M.D.'s current license status, search the FLDOH public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

480
Total board actions, Florida 2023
Across 467 cases
6.40
Actions per 1,000 licensees
Florida statewide rate
monetary fine
Most common action type
138 cases

FLDOH publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Florida disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

Christopher Mai, M.D. - brand share 12.0%
Nephrology Physician average

12% brand-name claims vs 88% generic, on 10,275 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

10,275
Total Claims
$1.7M
Total Drug Cost
1,157
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
26,398
Total Day Supply
786,641
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$1.4M
Generic Drug Cost
$291K
Opioid Claims
159 (1.5% rate)
Antibiotic Claims
89

Patient Demographics

Average Patient Age
76.2 years
Avg HCC Risk Score
2.38
Gender Split
53% female / 47% male
Age Distribution
<65: 72, 65-74: 399, 75-84: 491, 85+: 195

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What Christopher Mai, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Calcitriol
886
Farxiga
Dapagliflozin Propanediol
645
Amlodipine Besylate
589
Metoprolol Succinate
587
Rosuvastatin Calcium
406
Valsartan
400
Bumetanide
379
Spironolactone
339
Irbesartan
338
Losartan Potassium
338

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Nephrology Physician Overview

How Christopher Mai, M.D. fits within the Nephrology Physician landscape nationally.

10,569
Nephrology Physician Providers in US
55
States with Nephrology Physician
1,454
Avg Claims per Provider

Christopher Mai, M.D.'s 10,275 claims are above the specialty average of 1,454.

Nearby Nephrology Physician Providers in Florida

Other clinicians with the same primary specialty enrolled in Florida, drawn from the same CMS NPPES roster as Mai.

Compare Nephrology Physician nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Florida medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Nephrology Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Christopher Mai, M.D.'s specialty?
Christopher Mai, M.D. specializes in Nephrology Physician and practices in New Smyrna Beach, Florida. Credentials: M.D..
How much does Christopher Mai, M.D. prescribe under Medicare Part D?
In 2023, Christopher Mai, M.D. wrote 10,275 Medicare Part D claims totaling $1.7M in drug costs for 1,157 beneficiaries.
What is Christopher Mai, M.D.'s Medicare quality score?
Christopher Mai, M.D. has a CMS MIPS Final Score of 100/100 (Quality: 100). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Christopher Mai, M.D. located?
Christopher Mai, M.D. is located at 821 STATE ROAD 44, New Smyrna Beach, FL, 32168. Phone: (386) 427-3767.
What is Christopher Mai, M.D.'s NPI number?
Christopher Mai, M.D.'s National Provider Identifier (NPI) is 1518957596, issued on 10/21/2005.
Does Christopher Mai, M.D. prescribe more brand-name or generic drugs?
Christopher Mai, M.D.'s prescribing is 12% brand-name and 88% generic drugs by claim count, with $1.4M in brand drug costs.
Does Christopher Mai, M.D. prescribe opioids?
Yes, Christopher Mai, M.D. had 159 opioid claims in 2023 with an opioid prescribing rate of 1.5%.
How many Nephrology Physician providers are there in the US?
There are 10,569 Nephrology Physician providers across 55 states in the US. The average Nephrology Physician provider writes 1,454 Medicare Part D claims per year.
What drugs does Christopher Mai, M.D. prescribe most often?
Based on 2023 Medicare Part D data, Christopher Mai, M.D.'s most frequently prescribed drugs include Calcitriol, Farxiga, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Christopher Mai, M.D. accept Medicare?
Christopher Mai, M.D. appears in CMS Medicare data with 10,275 Part D claims and 1,157 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Christopher Mai, M.D.'s credentials?
Christopher Mai, M.D.'s NPI is 1518957596 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

View source datasets and methodology notes
Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology

Compiled from official public sources by the PlainDoctor editorial team.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.