WILLIAM SHERWIN PHIPPS M.D.
NPI 1376907345
Pathology - Clinical Pathology/Laboratory Medicine in Seattle, WA

Active since April 06, 2016PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
325 9TH AVE, SEATTLE, WA 98104(206) 520-5000 Get Directions Write a Review

NPPES record last updated: May 6, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William Sherwin Phipps M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM SHERWIN PHIPPS M.D. (NPI 1376907345) is an individual clinical pathology/laboratory medicine provider in Seattle, Washington, licensed in Washington (MD61021137) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of University Of Minnesota Medical School (2016).

NPPES Registry Identity

NPI1376907345
Entity TypeIndividualMale
Primary Taxonomy207ZP0105X
Provider Legal NameWILLIAM SHERWIN PHIPPSCredential: M.D.
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2016
Enumeration DateApril 6, 2016
Last NPPES UpdateMay 6, 2020
NPPES CertifiedMay 6, 2020
NPI 1376907345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
License Licensed in WA · MD61021137
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License MD61021137 (WA)
325 9TH AVE, Seattle, WA 98104

Other Identifiers 1

Medicaid1376907345WA

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

William Sherwin Phipps 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.

PECOS PAC ID6800227620
PECOS Enrollment IDI20200512001535
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

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.

Pathology clinical consultation for clinical problem, 5-20 minutes 80503
A pathology clinical consultation is a brief meeting with a medical expert to discuss health concerns. The consultation, lasting between 5-20 minutes, involves reviewing your medical history and possibly conducting tests to diagnose or understand your health condition better.
134 services101 patients

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, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Harborview Medical Center

Acute Care Hospitals · Seattle, WA
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500064
Location325 9th AvenueSeattle, WA 98104 · King County
Emergency services

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.

New Patient
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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.

Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
Occupational Therapist
325 9TH AVE
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 William Phipps's NPI number?

The NPI number for William Phipps is 1376907345. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Where is William Phipps located?

William Phipps practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.

What is William Phipps's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is William Phipps enrolled in Medicare?

Yes. William Phipps 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 William Phipps accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list William Phipps 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 William Phipps affiliated with any hospitals?

According to CMS data, William Phipps is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.

When was this NPI record last updated?

The NPPES record for William Phipps was last updated on May 6, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.