Dr. James Kimo Takayesu, MD
- Medicare services, 2024
- 491
- Medicare patients, 2024
- 455
- Publications
- 26
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Takayesu'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. James Kimo Takayesu is an emergency medicine physician in Boston, Massachusetts
Dr. Takayesu practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Takayesu's NPI, 1528058336, was assigned on October 24, 2005. Dr. Takayesu graduated from University of California, San Francisco School of Medicine in 1999. Dr. Takayesu holds Massachusetts license 216475.
- NPI
- 1528058336NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911076286
- NPI enumeration date
- October 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Kimo Takayesu practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Takayesu's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. James Kimo Takayesu is affiliated with 2 sites of care and 3 medical groups
Dr. Takayesu's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Takayesu to 2 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Kimo Takayesu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Takayesu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Kimo Takayesu is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Takayesu's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Takayesu is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Takayesu
Counts of emergency medicine physicians 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. James Kimo Takayesu billed Medicare for 491 services in 2024
CMS data shows 491 Medicare services from Dr. Takayesu across 9 procedure codes in 2024, for 455 Medicare patients. Medicare paid $57,075 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Takayesu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5302024: 43418%
- Tests and treatments
- 2023: 252024: 3020%
- Imaging
- 2023: 132024: 27108%
Dr. Takayesu compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Takayesu
- Massachusetts median
- Medicare services
- 491vs 34144% above
- Medicare patients
- 455vs 33735% above
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Takayesu'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Takayesu and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Kimo Takayesu treated 455 Medicare patients in 2024, average age 74
CMS counts 455 Medicare patients who saw Dr. Takayesu in 2024. The largest group is 75 to 84, with 152 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.56, 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. Takayesu's median patient age at 60, with 48% women.
Dr. Takayesu's Medicare patients by age, 2024
Dr. Takayesu's Medicare patients by sex, 2024
- Women23251%
- Men22349%
Chronic conditions among Dr. Takayesu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders54%
- Arthritis53%
- Anxiety50%
- Chronic kidney disease48%
- Depression48%
- Ischemic heart disease48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Takayesu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. James Kimo Takayesu takes part in Medicare
Dr. Takayesu 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. James Kimo Takayesu has 26 publications on record
Dmand AI links 26 papers to Dr. Takayesu, published from 2011 to 2025. 2020 was the busiest year, with 6. The most frequent topics are Emergency Medicine, Internship and Residency and Emergency Service, Hospital. Dr. Takayesu has published most often in West J Emerg Med. Dr. Takayesu's most frequent co-authors are Derek L. Monette, MD, Christopher Kabrhel, MD and David Peak, MD.
Dr. Takayesu's papers by year, 2011 to 2025
Topics Dr. Takayesu writes about most
- Emergency Medicine
- Internship and Residency
- Emergency Service, Hospital
- Physicians
- Clinical Competence
- Curriculum
- Attitude of Health Personnel
- Pulmonary Embolism
Dr. Takayesu's most frequent co-authors
- Derek L. Monette, MD6 shared papers
- Christopher Kabrhel, MD3 shared papers
- David Peak, MD3 shared papers
Recent publications by Dr. Takayesu
West J Emerg Med
See who Dr. Takayesu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Takayesu works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Kimo Takayesu graduated from University of California, San Francisco School of Medicine
Dr. Takayesu graduated from University of California, San Francisco School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Kimo Takayesu'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 |
| 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. James Kimo Takayesu
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. James Kimo Takayesu's NPI number?
Dr. James Kimo Takayesu's NPI number is 1528058336. It was assigned on October 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Kimo Takayesu?
Dr. James Kimo Takayesu is an emergency medicine physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. James Kimo Takayesu practice?
Dr. Takayesu practices at 55 Fruit Street, Boston, MA 02114. Dr. Takayesu's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Takayesu to 2 medical groups and 1 community health center.
What is Dr. James Kimo Takayesu's office phone number?
The practice phone on file for Dr. Takayesu is (617) 726-2000.
What is Dr. James Kimo Takayesu's medical license number?
Dr. Takayesu holds Massachusetts license 216475.
Which hospitals is Dr. James Kimo Takayesu affiliated with?
Dr. Takayesu practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. James Kimo Takayesu part of?
Dr. Takayesu is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Takayesu to 2 more medical groups.
Does Dr. James Kimo Takayesu accept Medicare?
Yes. CMS data shows Dr. Takayesu billed Medicare for 491 services in 2024, and Dr. Takayesu accepts Medicare assignment.
How many Medicare patients does Dr. James Kimo Takayesu see?
CMS counts 455 Medicare patients who saw Dr. Takayesu in 2024, with an average age of 74.
What services does Dr. James Kimo Takayesu bill to Medicare?
In 2024, Dr. Takayesu's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. James Kimo Takayesu go to medical school?
Dr. Takayesu graduated from University of California, San Francisco School of Medicine in 1999.
How long has Dr. James Kimo Takayesu been practicing?
Dr. Takayesu graduated from medical school in 1999, 27 years ago.
Does Dr. James Kimo Takayesu do research?
Dmand AI links 26 publications to Dr. Takayesu, published from 2011 to 2025.
Who does Dr. James Kimo Takayesu publish with?
Dr. Takayesu's most frequent co-authors are Derek L. Monette, MD (6 shared papers), Christopher Kabrhel, MD (3 shared papers) and David Peak, MD (3 shared papers).
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