Addict Sci Clin Pract
AftercareAnti-HIV AgentsHIV Infections
Dr. William Klaus Mai, MD
NPI1427632116PAC ID7517368533
- Part D claims, 2024
- 181
- Publications
- 7
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 3
- Practice address
- 4500 San Pablo Rd, Jacksonville, FL 32224
- Practice phone
- Call (904) 953-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. William Klaus Mai is a cardiologist in Jacksonville, Florida
Dr. Mai practices at Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.
Dr. Mai's NPI, 1427632116, was assigned on May 8, 2021. Dr. Mai graduated from George Washington University School of Medicine and Health Sciences in 2021. Dr. Mai holds Florida license ME159160.
NPI and contact details
- NPI
- 1427632116NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517368533
- NPI enumeration date
- May 8, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (904) 953-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Klaus Mai practices at Mayo Clinic Hospital in Jacksonville, Florida
Dr. Mai's primary practice is Mayo Clinic Hospital, at 4500 San Pablo Rd, Jacksonville, FL 32224 in Duval County. The practice phone is (904) 953-2000.
- Mayo Clinic Hospital4500 San Pablo Rd, Jacksonville, FL 32224 · Duval CountyPhone(904) 953-2000
Source: Dmand AI Affiliation Data
Dr. William Klaus Mai is affiliated with 1 site of care and 1 medical group
Dr. Mai's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic. The medical group on file is Mayo Clinic Jacksonville.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Klaus Mai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mai practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. William Klaus Mai is one of 1,709 cardiologists in Florida
Cardiovascular disease is Dr. Mai's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Mai is board certified in internal medicine by the American Board of Internal Medicine. Dr. Mai is licensed in Florida.
Specialties and state licenses
- Cardiovascular disease, FloridaPrimary
Cardiologists near Dr. Mai
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
1,709cardiologists in Florida125cardiologists in Jacksonville36cardiologists at Mayo Clinic Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Klaus Mai's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Mai's median patient age at 73, with 42% women.
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 73
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. William Klaus Mai wrote 181 Medicare Part D claims in 2024
In 2024, Dr. Mai wrote 181 Medicare Part D claims for 58 patients. 88% of them were for generic drugs. CMS names the drug for 55 of them, across 4 drugs with 11 or more claims each, at $6,772 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.
Part D claims, 2024181
Drugs named by CMS4
Total drug cost$6,772
Part D patients58
Dr. Mai's Part D claims by kind of drug, 2024
- Generic160 claims88%
- Brand-name21 claims12%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 402024: 5538%
Drugs named by CMS: 4 in 2024, 3 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
Dr. William Klaus 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. William Klaus Mai has 7 publications on record
Dmand AI links 7 papers to Dr. Mai, published from 2022 to 2024. 2023 was the busiest year, with 4. The most frequent topics are Aftercare, HIV Infections and Opioid-Related Disorders. Dr. Mai's most frequent co-authors are Hana Akselrod, MD, MPH, Greer Anne Burkholder, MD and Jillian S. Catalanotti, MD, MPH.
Papers7
Years published2022 to 2024
Dr. Mai's papers by year, 2022 to 2024
Topics Dr. Mai writes about most
- Aftercare
- HIV Infections
- Opioid-Related Disorders
- Patient Discharge
Dr. Mai's most frequent co-authors
- Hana Akselrod, MD, MPH3 shared papers
- Greer Anne Burkholder, MD3 shared papers
- Jillian S. Catalanotti, MD, MPH3 shared papers
Recent publications by Dr. Mai
FeverHepatomegalySplenomegaly
AftercareAnalgesics, OpioidHIV Infections
LanguageOpioid-Related Disorders
See who Dr. Mai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mai works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Klaus Mai graduated from George Washington University School of Medicine and Health Sciences
Dr. Mai graduated from George Washington University School of Medicine and Health Sciences in 2021.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. William Klaus Mai accepts plans from 3 insurance carriers
Dr. Mai is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Mai accepts, by number of carriers
- HMO2
- Medicare2
- POS2
- PPO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. William Klaus 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. William Klaus 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. William Klaus Mai's NPI number?
Dr. William Klaus Mai's NPI number is 1427632116. It was assigned on May 8, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. William Klaus Mai?
Dr. William Klaus Mai is a cardiologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. William Klaus Mai practice?
Dr. Mai practices at 4500 San Pablo Rd, Jacksonville, FL 32224. Dr. Mai's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.
What is Dr. William Klaus Mai's office phone number?
The practice phone on file for Dr. Mai is (904) 953-2000.
What is Dr. William Klaus Mai's medical license number?
Dr. Mai holds Florida license ME159160.
Which hospitals is Dr. William Klaus Mai affiliated with?
Dr. Mai practices at Mayo Clinic Hospital in Jacksonville, Florida.
What medical group is Dr. William Klaus Mai part of?
Dr. Mai is linked to Mayo Clinic Jacksonville.
Does Dr. William Klaus Mai accept Medicare?
Yes. CMS lists Dr. Mai as accepting Medicare assignment.
Does Dr. William Klaus Mai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mai as offering telehealth services.
Is Dr. William Klaus Mai board certified?
Yes. Dr. Mai is board certified in internal medicine by the American Board of Internal Medicine.
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Where did Dr. William Klaus Mai go to medical school?
Dr. Mai graduated from George Washington University School of Medicine and Health Sciences in 2021.
What drugs does Dr. William Klaus Mai prescribe most?
In 2024 Medicare Part D data, Dr. Mai's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Amlodipine Besylate.
How long has Dr. William Klaus Mai been practicing?
Dr. Mai graduated from medical school in 2021, 5 years ago.
Does Dr. William Klaus Mai do research?
Dmand AI links 7 publications to Dr. Mai, published from 2022 to 2024.
Who does Dr. William Klaus Mai publish with?
Dr. Mai's most frequent co-authors are Hana Akselrod, MD, MPH (3 shared papers), Greer Anne Burkholder, MD (3 shared papers) and Jillian S. Catalanotti, MD, MPH (3 shared papers).
What insurance does Dr. William Klaus Mai accept?
Dr. Mai is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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