MAKOTO NAGAHAMA M.D.
NPI 1518344316
Internal Medicine - Clinical Cardiac Electrophysiology in Seattle, WA
About Makoto Nagahama M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAKOTO NAGAHAMA M.D. (NPI 1518344316) is an individual clinical cardiac electrophysiology provider in Seattle, Washington, licensed in Washington (MD61681068) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2015).
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
Makoto Nagahama 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 Reassignments
2Medicare enrollment records show Makoto Nagahama reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, Washington enrollment
- 1,074 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAHarborview Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 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.
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 Makoto Nagahama's NPI number?
The NPI number for Makoto Nagahama is 1518344316. It was assigned to this individual provider in the NPPES registry on April 30, 2015.
Where is Makoto Nagahama located?
Makoto Nagahama practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.
What is Makoto Nagahama's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Makoto Nagahama enrolled in Medicare?
Yes. Makoto Nagahama 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 organizations bill Medicare for Makoto Nagahama's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Makoto Nagahama reassigns Medicare benefits to 2 organizations: The Association Of University Physicians (Seattle, WA) and King County Public Hospital District No 2 (Kirkland, WA). Each 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 Makoto Nagahama's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Makoto Nagahama accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Makoto Nagahama 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.
Is Makoto Nagahama affiliated with any hospitals?
According to CMS data, Makoto Nagahama is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Makoto Nagahama was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Makoto Nagahama, M.D. · NPI 1518344316
Clinical Cardiac Electrophysiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 30, 2015.
## Identity
- **NPI:** 1518344316 (Entity type: Individual)
- **Enumerated:** April 30, 2015
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** MD61681068 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **Phone:** (206) 520-5000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Association Of University Physicians (NPI 1023041159, Seattle, WA); King County Public Hospital District No 2 (NPI 1548350713, Kirkland, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1518344316) · Data from the CMS NPPES public registry.