NATHANIEL FLETCHER WATSON MD
NPI 1528144342
Psychiatry & Neurology - Sleep Medicine in Seattle, WA
About Nathaniel Fletcher Watson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHANIEL FLETCHER WATSON MD (NPI 1528144342) is an individual sleep medicine provider in Seattle, Washington, licensed in Washington (MD00038688) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Nathaniel Fletcher Watson Md 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.
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 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 18
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Nathaniel Watson's NPI number?
The NPI number for Nathaniel Watson is 1528144342. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Nathaniel Watson located?
Nathaniel Watson practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.
What is Nathaniel Watson's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.
Is Nathaniel Watson enrolled in Medicare?
Yes. Nathaniel Watson 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.
What insurance does Nathaniel Watson accept?
Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Nathaniel Watson 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 Nathaniel Watson affiliated with any hospitals?
According to CMS data, Nathaniel Watson is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Nathaniel Watson was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Nathaniel Fletcher Watson, MD · NPI 1528144342
Sleep Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1528144342 (Entity type: Individual)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Psychiatry & Neurology - Sleep Medicine · taxonomy 2084S0012X
- **State license:** MD00038688 (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
- **Medical school:** University Of North Carolina At Chapel Hill School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** April 1, 2026
- **Other identifiers:** Medicaid 1528144342 (WA); Other 4642; Other 0232158 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1528144342) · Data from the CMS NPPES public registry.