Dr. Derek Mai, MD
- Medicare services, 2024
- 49
- Medicare patients, 2024
- 56
- Part D claims, 2023
- 131
- Hospital affiliations
- 1
- Industry payments
- $489
- Practice address
- 9040A Jackson Ave, Joint Base Lewis Mcchord, WA 98431
- Practice phone
- Call (253) 968-1110
- 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. Derek Mai is an ophthalmologist in Tacoma, Washington
Dr. Mai practices at Madigan Army Medical Center in Joint Base Lewis Mcchord, Washington, part of United States Department of War.
Dr. Mai's NPI, 1588008031, was assigned on April 26, 2013. Dr. Mai graduated from Uniformed Services UHS Fe Hebert School of Med in 2013. Dr. Mai holds Massachusetts license 287087.
- NPI
- 1588008031NPI Registry (opens in a new tab)
- NPI enumeration date
- April 26, 2013
- NPI status
- Active
- Practice phone
- (253) 968-1110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Derek Mai practices in Joint Base Lewis Mcchord and Tacoma
Dr. Mai's primary practice is Madigan Army Medical Center, at 9040A Jackson Ave, Joint Base Lewis Mcchord, WA 98431 in Pierce County. The practice phone is (253) 968-1110. Dr. Mai also practices at Madigan Army Medical Center, 9040 Jackson Ave, Tacoma, WA 98431.
- Madigan Army Medical CenterPrimary9040A Jackson Ave, Joint Base Lewis Mcchord, WA 98431 · Pierce CountyPhone(253) 968-1110
- Madigan Army Medical Center9040 Jackson Ave, Tacoma, WA 98431 · Pierce CountyPhone(253) 968-1110
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Derek Mai is affiliated with 3 sites of care
Dr. Mai's primary practice is Madigan Army Medical Center in Joint Base Lewis Mcchord, Washington, part of United States Department of War. Dmand AI also links Dr. Mai to 1 breast imaging center and 1 government or correctional health site, each named with a free account. Dr. Mai's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Derek Mai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mai practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Madigan Army Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across United States Department of War and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Derek Mai is one of 407 ophthalmologists in Washington
Ophthalmology is Dr. Mai's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Mai's licenses on file in 2 states: Massachusetts and Minnesota.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
- Minnesota license
Ophthalmologists near Dr. Mai
Counts of ophthalmologists 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. Derek Mai billed Medicare for 49 services in 2024
CMS data shows 49 Medicare services from Dr. Mai across 2 procedure codes in 2024, for 56 Medicare patients. Medicare paid $3,352 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mai's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 122024: 49308%
Dr. Mai compared with the Washington median for ophthalmologists, 2024
- Dr. Mai
- Washington median
- Medicare services
- 49vs 1,40997% below
- Medicare patients
- 56vs 50889% below
- Part D claims
- 131vs 53776% below
Medians across 418 ophthalmologists in Washington 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 ophthalmologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek Mai treated 56 Medicare patients in 2024, average age 70
CMS counts 56 Medicare patients who saw Dr. Mai in 2024. The largest group is 65 to 74, with 23 patients. 68% of them have high cholesterol, and 61% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mai's median patient age at 77, with 43% women.
Dr. Mai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mai's Medicare patients by sex, 2024
- Women3257%
- Men2443%
Chronic conditions among Dr. Mai's Medicare patients, 2024
- High cholesterol68%
- High blood pressure61%
- Arthritis48%
- Anxiety43%
- Mood disorders39%
- Depression32%
- Chronic kidney disease21%
- Ischemic heart disease21%
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 77
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek Mai wrote 131 Medicare Part D claims in 2023
In 2023, Dr. Mai wrote 131 Medicare Part D claims. They cover 5 drugs, with $13,918 in total drug cost. In 2022, CMS named 942 claims across 17 drugs.
Dr. Mai's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 9422023: 13186%
Drugs named by CMS: 5 in 2023, 17 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Derek Mai received $489 in industry payments from 2018 to 2024
CMS Open Payments shows 16 general payments to Dr. Mai from 5 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $349.
General payments to Dr. Mai by program year, 2018 to 2024
Companies that paid Dr. Mai the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek Mai graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Mai graduated from Uniformed Services UHS Fe Hebert School of Med in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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. Derek 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. Derek Mai's NPI number?
Dr. Derek Mai's NPI number is 1588008031. It was assigned on April 26, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek Mai?
Dr. Derek Mai is an ophthalmologist in Tacoma, Washington. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Derek Mai practice?
Dr. Mai practices at 9040A Jackson Ave, Joint Base Lewis Mcchord, WA 98431. Dr. Mai also practices at 9040 Jackson Ave, Tacoma, WA 98431. Dr. Mai's primary practice is Madigan Army Medical Center in Joint Base Lewis Mcchord, Washington, part of United States Department of War. Dmand AI also links Dr. Mai to 1 breast imaging center and 1 government or correctional health site.
What is Dr. Derek Mai's office phone number?
The practice phone on file for Dr. Mai is (253) 968-1110.
What is Dr. Derek Mai's medical license number?
Dr. Mai holds Massachusetts license 287087, one of the licenses on file in 2 states.
Which states has Dr. Derek Mai been licensed in?
Dmand AI has state licenses on file for Dr. Mai in Massachusetts and Minnesota.
Which hospitals is Dr. Derek Mai affiliated with?
Dr. Mai practices at Madigan Army Medical Center in Joint Base Lewis Mcchord, Washington.
Does Dr. Derek Mai accept Medicare?
Yes. CMS data shows Dr. Mai billed Medicare for 49 services in 2024.
How many Medicare patients does Dr. Derek Mai see?
CMS counts 56 Medicare patients who saw Dr. Mai in 2024, with an average age of 70.
What services does Dr. Derek Mai bill to Medicare?
In 2024, Dr. Mai's most billed Medicare services were emergency department visit (99283) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Derek Mai go to medical school?
Dr. Mai graduated from Uniformed Services UHS Fe Hebert School of Med in 2013.
What drugs does Dr. Derek Mai prescribe most?
In 2023 Medicare Part D data, Dr. Mai's most prescribed drugs by claims were Dorzolamide-Timolol, Latanoprost and Rhopressa.
Has Dr. Derek Mai received payments from drug or device companies?
CMS Open Payments shows $489 in general payments to Dr. Mai from 5 companies from 2018 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. Derek Mai been practicing?
Dr. Mai graduated from medical school in 2013, 13 years ago.
Selling to ophthalmology practices?
See ophthalmologists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card