KOICHI YUKI M.D.
NPI 1205965191
Anesthesiology in Boston, MA
About Koichi Yuki M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KOICHI YUKI M.D. (NPI 1205965191) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (222394) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Koichi Yuki M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Koichi Yuki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 256 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Koichi Yuki's NPI number?
The NPI number for Koichi Yuki is 1205965191. It was assigned to this individual provider in the NPPES registry on March 5, 2007.
Where is Koichi Yuki located?
Koichi Yuki practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Koichi Yuki's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Koichi Yuki enrolled in Medicare?
Yes. Koichi Yuki is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Koichi Yuki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Koichi Yuki reassigns Medicare benefits to Chmc Anesthesia Foundation Inc (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Koichi Yuki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Koichi Yuki accept?
Health plans from Taro Health list Koichi Yuki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Koichi Yuki was last updated on May 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Koichi Yuki, M.D. · NPI 1205965191
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 5, 2007.
## Identity
- **NPI:** 1205965191 (Entity type: Individual)
- **Enumerated:** March 5, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 222394 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Chmc Anesthesia Foundation Inc (NPI 1831268754, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** May 21, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1205965191) · Data from the CMS NPPES public registry.