J Vasc Surg
ArmArteriovenous Shunt, SurgicalForearm
Dr. C Keith Ozaki, MD
NPI1700999620PAC ID3274692249
- Medicare services, 2024
- 701
- Medicare patients, 2024
- 623
- Publications
- 93
- Hospital affiliations
- 3
- Industry payments
- $31,201
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ozaki'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. C Keith Ozaki is a vascular surgeon in Boston, Massachusetts
Dr. Ozaki practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Ozaki's NPI, 1700999620, was assigned on August 16, 2006. Dr. Ozaki graduated from Duke University School of Medicine in 1988. Dr. Ozaki holds Florida license ME73442.
NPI and contact details
- NPI
- 1700999620NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274692249
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. C Keith Ozaki practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Ozaki's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. C Keith Ozaki is affiliated with 4 sites of care and 1 medical group
Dr. Ozaki's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Ozaki is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Ozaki to 1 more hospital and 1 hospital outpatient department, each named with a free account.
Dana-Farber Cancer InstituteBrigham and Women's Hospital1 hospitalName with a free account1 hospital outpatient departmentName with a free account
See all 5 affiliations for Dr. OzakiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. C Keith Ozaki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ozaki practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. C Keith Ozaki is one of 138 vascular surgeons in Massachusetts
Vascular surgery is Dr. Ozaki's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Ozaki's licenses on file in 2 states: Florida and Massachusetts.
Specialties and state licenses
- Vascular surgery, FloridaPrimary
- Massachusetts license
Vascular surgeons near Dr. Ozaki
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
138vascular surgeons in Massachusetts41vascular surgeons in Boston8vascular surgeons at Brigham and Women's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. C Keith Ozaki billed Medicare for 701 services in 2024
CMS data shows 701 Medicare services from Dr. Ozaki across 13 procedure codes in 2024, for 623 Medicare patients. Medicare paid $46,617 for them.
Medicare services, 2024701
Medicare patients623
Paid by Medicare$46,617
Procedure codes13
Dr. Ozaki's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5462024: 49210%
- Office and hospital visits
- 2023: 2822024: 17239%
- Surgery
- 2023: 572024: 3735%
Where Dr. Ozaki's Medicare services took place, 2024
- In an office23934%
- In a facility46266%
Dr. Ozaki compared with the Massachusetts median for vascular surgeons, 2024
- Dr. Ozaki
- Massachusetts median
- Medicare services
- 701vs 79812% below
- Medicare patients
- 623vs 50823% above
Medians across 137 vascular surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ozaki'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. Ozaki?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ozaki and other vascular surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. C Keith Ozaki treated 623 Medicare patients in 2024, average age 73
CMS counts 623 Medicare patients who saw Dr. Ozaki in 2024. The largest group is 75 to 84, with 249 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 3.03, 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. Ozaki's median patient age at 67, with 47% women.
Medicare patients, 2024623
Average age73
Average risk score3.03
Also on Medicaid24%
Dr. Ozaki's Medicare patients by age, 2024
Dr. Ozaki's Medicare patients by sex, 2024
- Women31350%
- Men31050%
Chronic conditions among Dr. Ozaki's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease50%
- Chronic kidney disease47%
- Diabetes38%
- Anxiety36%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ozaki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. C Keith Ozaki takes part in Medicare
Dr. Ozaki 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. C Keith Ozaki has 93 publications on record
Dmand AI links 93 papers to Dr. Ozaki, published from 2012 to 2025. 2021 was the busiest year, with 8. The most frequent topics are Vascular Surgical Procedures, Renal Dialysis and Vascular Patency. Dr. Ozaki has published most often in J Vasc Surg. Dr. Ozaki's most frequent co-authors are Michael Belkin, MD, Louis L. Nguyen, MBA, MD, MPH and Dirk M. Hentschel, MD.
Papers93
Years published2012 to 2025
Dr. Ozaki's papers by year, 2016 to 2025
Topics Dr. Ozaki writes about most
- Vascular Surgical Procedures
- Renal Dialysis
- Vascular Patency
- Arteriovenous Shunt, Surgical
- Blood Vessel Prosthesis Implantation
- Graft Occlusion, Vascular
- Mice, Inbred C57BL
- Aortic Aneurysm, Abdominal
Dr. Ozaki's most frequent co-authors
- Michael Belkin, MD34 shared papers
- Louis L. Nguyen, MBA, MD, MPH18 shared papers
- Dirk M. Hentschel, MD14 shared papers
Recent publications by Dr. Ozaki
Arteriovenous Shunt, SurgicalMachine LearningMobile Applications
AdipocytesAdipose Tissue, BrownAorta, Thoracic
See who Dr. Ozaki researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ozaki works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. C Keith Ozaki received $31,201 in industry payments from 2017 to 2025
CMS Open Payments shows 47 general payments to Dr. Ozaki from 14 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 85% of the total. Laminate Medical Technologies inc. paid the most, $13,529.
General payments to Dr. Ozaki by program year, 2017 to 2025
General payments to Dr. Ozaki by kind, 2017 to 2025
$31.2Kin total
- Consulting fees$26,50085%
- Food and beverage$2,5618%
- Travel and lodging$2,1407%
Companies that paid Dr. Ozaki the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. C Keith Ozaki graduated from Duke University School of Medicine
Dr. Ozaki graduated from Duke University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. C Keith Ozaki'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) |
| 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 |
| 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. C Keith Ozaki
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. C Keith Ozaki's NPI number?
Dr. C Keith Ozaki's NPI number is 1700999620. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. C Keith Ozaki?
Dr. C Keith Ozaki is a vascular surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. C Keith Ozaki practice?
Dr. Ozaki practices at 75 Francis Street, Boston, MA 02115. Dr. Ozaki's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Ozaki to 1 hospital and 1 hospital outpatient department.
What is Dr. C Keith Ozaki's office phone number?
The practice phone on file for Dr. Ozaki is (617) 732-5500.
What is Dr. C Keith Ozaki's medical license number?
Dr. Ozaki holds Florida license ME73442, one of the licenses on file in 2 states.
Which states has Dr. C Keith Ozaki been licensed in?
Dmand AI has state licenses on file for Dr. Ozaki in Florida and Massachusetts.
Which hospitals is Dr. C Keith Ozaki affiliated with?
Dr. Ozaki practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Ozaki is also affiliated with Dana-Farber Cancer Institute. Dmand AI links Dr. Ozaki to 1 more hospital.
What medical group is Dr. C Keith Ozaki part of?
Dr. Ozaki is linked to Brigham and Women's Hospital.
Does Dr. C Keith Ozaki accept Medicare?
Yes. CMS data shows Dr. Ozaki billed Medicare for 701 services in 2024, and Dr. Ozaki accepts Medicare assignment.
How many Medicare patients does Dr. C Keith Ozaki see?
CMS counts 623 Medicare patients who saw Dr. Ozaki in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. C Keith Ozaki bill to Medicare?
In 2024, Dr. Ozaki's most billed Medicare services were blood vessel study (93970), blood vessel study (93880) and blood vessel study (93971).
Where did Dr. C Keith Ozaki go to medical school?
Dr. Ozaki graduated from Duke University School of Medicine in 1988.
Has Dr. C Keith Ozaki received payments from drug or device companies?
CMS Open Payments shows $31,201 in general payments to Dr. Ozaki from 14 companies from 2017 to 2025. The largest total came from Laminate Medical Technologies inc.
How long has Dr. C Keith Ozaki been practicing?
Dr. Ozaki graduated from medical school in 1988, 38 years ago.
Does Dr. C Keith Ozaki do research?
Dmand AI links 93 publications to Dr. Ozaki, published from 2012 to 2025.
Who does Dr. C Keith Ozaki publish with?
Dr. Ozaki's most frequent co-authors are Michael Belkin, MD (34 shared papers), Louis L. Nguyen, MBA, MD, MPH (18 shared papers) and Dirk M. Hentschel, MD (14 shared papers).
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