Dr. Kai W. Hata, MD
- Medicare services, 2023
- 15
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 19
- Hospital affiliations
- 4
- Industry payments
- $1,992
- Practice address
- 8901 Rockville Pike, Bethesda, MD 20889
- Practice phone
- Call (301) 295-4934
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Walter Reed National Military Medical Center
Bethesda, Maryland
Find Dr. Hata'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. Kai W. Hata is a vascular surgeon in Bethesda, Maryland
Dr. Hata practices at Walter Reed National Military Medical Center in Bethesda, Maryland.
Dr. Hata's NPI, 1205253440, was assigned on March 26, 2014. Dr. Hata holds District of Columbia license MD210002944.
- NPI
- 1205253440NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951786706
- NPI enumeration date
- March 26, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 295-4934
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kai W. Hata practices at Walter Reed National Military Medical Center in Bethesda, Maryland
Dr. Hata's primary practice is Walter Reed National Military Medical Center, at 8901 Rockville Pike, Bethesda, MD 20889 in Montgomery County. The practice phone is (301) 295-4934.
- Walter Reed National Military Medical Center8901 Rockville Pike, Bethesda, MD 20889 · Montgomery CountyPhone(301) 295-4934
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kai W. Hata is affiliated with 11 sites of care and 6 medical groups
Dr. Hata's primary practice is Walter Reed National Military Medical Center in Bethesda, Maryland. Dr. Hata is also affiliated with University Medical Center. The medical group on file is UVA Physicians Group. Dmand AI also links Dr. Hata to 3 more hospitals, 6 group practices and clinics and 5 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kai W. Hata's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hata practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walter Reed National Military Medical Center | Available with a free account |
| +10 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kai W. Hata is one of 100 vascular surgeons in Maryland
Vascular surgery is Dr. Hata's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Hata's licenses on file in 3 states: District of Columbia, Maryland and Pennsylvania.
Specialties and state licenses
- Vascular surgery, District of ColumbiaPrimary
- General practice, Maryland
- Pennsylvania license
Vascular surgeons near Dr. Hata
Counts of vascular surgeons 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. Kai W. Hata billed Medicare for 15 services in 2023
CMS data shows 15 Medicare services from Dr. Hata across 1 procedure code in 2023, all of them office visits, for 21 Medicare patients. Medicare paid $961 for them. Every service was in an office.
Dr. Hata compared with the Maryland median for vascular surgeons, 2023
- Dr. Hata
- Maryland median
- Medicare services
- 15vs 85498% below
- Medicare patients
- 21vs 45295% below
Medians across 97 vascular surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Hata's most billed Medicare procedure codes, 2023
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. Hata?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hata and other vascular surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kai W. Hata treated 21 Medicare patients in 2024, average age 74
CMS counts 21 Medicare patients who saw Dr. Hata in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.54, 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. Hata's median patient age at 69, with 42% women.
Chronic conditions among Dr. Hata's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hata's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kai W. Hata wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Hata wrote 19 Medicare Part D claims. 84% of them were for generic drugs.
Dr. Hata's Part D claims by kind of drug, 2024
- Generic16 claims84%
- Brand-name and other3 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Kai W. Hata takes part in Medicare
Dr. Hata accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Kai W. Hata received $1,992 in industry payments from 2017 to 2025
CMS Open Payments shows 17 general payments to Dr. Hata from 7 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 57% of the total. W. L. Gore & Associates, Inc. paid the most, $1,304.
General payments to Dr. Hata by program year, 2017 to 2025
General payments to Dr. Hata by kind, 2017 to 2025
- Travel and lodging$1,13257%
- Food and beverage$86043%
Companies that paid Dr. Hata the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kai W. Hata'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 (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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Kai W. Hata
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. Kai W. Hata's NPI number?
Dr. Kai W. Hata's NPI number is 1205253440. It was assigned on March 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Kai W. Hata?
Dr. Kai W. Hata is a vascular surgeon in Bethesda, Maryland. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Kai W. Hata practice?
Dr. Hata practices at 8901 Rockville Pike, Bethesda, MD 20889. Dr. Hata's primary practice is Walter Reed National Military Medical Center in Bethesda, Maryland. Dmand AI also links Dr. Hata to 3 hospitals, 6 group practices and clinics and 5 medical groups.
What is Dr. Kai W. Hata's office phone number?
The practice phone on file for Dr. Hata is (301) 295-4934.
What is Dr. Kai W. Hata's medical license number?
Dr. Hata holds District of Columbia license MD210002944, one of the licenses on file in 3 states.
Which states has Dr. Kai W. Hata been licensed in?
Dmand AI has state licenses on file for Dr. Hata in District of Columbia, Maryland and Pennsylvania.
Which hospitals is Dr. Kai W. Hata affiliated with?
Dr. Hata is affiliated with University Medical Center. Dmand AI links Dr. Hata to 3 more hospitals.
What medical group is Dr. Kai W. Hata part of?
Dr. Hata is linked to UVA Physicians Group. Dmand AI links Dr. Hata to 5 more medical groups.
Does Dr. Kai W. Hata accept Medicare?
Yes. CMS data shows Dr. Hata billed Medicare for 15 services in 2023, and Dr. Hata accepts Medicare assignment.
How many Medicare patients does Dr. Kai W. Hata see?
CMS counts 21 Medicare patients who saw Dr. Hata in 2024, with an average age of 74.
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What services does Dr. Kai W. Hata bill to Medicare?
In 2023, Dr. Hata's most billed Medicare services were office visit, established patient (99213).
Has Dr. Kai W. Hata received payments from drug or device companies?
CMS Open Payments shows $1,992 in general payments to Dr. Hata from 7 companies from 2017 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Kai W. Hata been practicing?
Dr. Hata graduated from medical school in 2014, 12 years ago.
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