DR. SHIZUO MUKAI M.D.
NPI 1164412250
Ophthalmology in Boston, MA
About Dr. Shizuo Mukai M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHIZUO MUKAI M.D. (NPI 1164412250) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (51294) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts Eye And Ear Infirmary -, and is a graduate of Warren Alpert Medical School Of Brown University (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Shizuo Mukai 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 Shizuo Mukai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 478 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 02114
BOSTON, MA 02114
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 Shizuo Mukai's NPI number?
The NPI number for Shizuo Mukai is 1164412250. It was assigned to this individual provider in the NPPES registry on October 28, 2005.
Where is Shizuo Mukai located?
Shizuo Mukai practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-5050.
What is Shizuo Mukai's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Shizuo Mukai enrolled in Medicare?
Yes. Shizuo Mukai 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 Shizuo Mukai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shizuo Mukai reassigns Medicare benefits to Massachusetts Eye And Ear Associates, 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 Shizuo Mukai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Shizuo Mukai affiliated with any hospitals?
According to CMS data, Shizuo Mukai is affiliated with Massachusetts Eye And Ear Infirmary -.
When was this NPI record last updated?
The NPPES record for Shizuo Mukai was last updated on October 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Shizuo Mukai, M.D. · NPI 1164412250
Ophthalmology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 28, 2005.
## Identity
- **NPI:** 1164412250 (Entity type: Individual)
- **Enumerated:** October 28, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 51294 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, Boston, MA 02114-3002
- **Phone:** (617) 573-5050
## 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:** Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 1982
## Record status
- **NPPES last updated:** October 25, 2013
- **Other identifiers:** Medicare UPIN E10075 (MA); Medicaid 3047962 (MA); Medicare ID-Type Unspecified J08535 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1164412250) · Data from the CMS NPPES public registry.