MASAHIRO NARITA
NPI 1356420012
Internal Medicine - Pulmonary Disease in Seattle, WA
About Masahiro Narita NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MASAHIRO NARITA (NPI 1356420012) is an individual pulmonary disease provider in Seattle, Washington, licensed in Washington (MD00041804) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Masahiro Narita 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
3Medicare enrollment records show Masahiro Narita reassigns Medicare billing to 3 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
- 121 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 94 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
Physician 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.
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
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 Masahiro Narita's NPI number?
The NPI number for Masahiro Narita is 1356420012. It was assigned to this individual provider in the NPPES registry on November 3, 2006.
Where is Masahiro Narita located?
Masahiro Narita practices at Harborview Medical Center 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 731-3241.
What is Masahiro Narita's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Masahiro Narita enrolled in Medicare?
Yes. Masahiro Narita 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 Masahiro Narita's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Masahiro Narita reassigns Medicare benefits to 3 organizations: International Community Health Services (Seattle, WA), King County Finance (Seattle, WA) and The Association Of University Physicians (Seattle, 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 Masahiro Narita's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Masahiro Narita accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Masahiro Narita 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 Masahiro Narita was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Masahiro Narita · NPI 1356420012
Pulmonary Disease physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since November 3, 2006.
## Identity
- **NPI:** 1356420012 (Entity type: Individual)
- **Enumerated:** November 3, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** MD00041804 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** HARBORVIEW MEDICAL CENTER, 325 9TH AVE, Seattle, WA 98104-9891
- **Phone:** (206) 731-3241
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): International Community Health Services (NPI 1376083741, Seattle, WA); King County Finance (NPI 1306903604, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Other 312120; Medicare ID-Type Unspecified AB39031; Medicare UPIN F99938; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1356420012) · Data from the CMS NPPES public registry.