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ESTELL WILLIAMS MD
NPI 1841532157
Surgery in Seattle, WA

Active since March 25, 2013PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
815 MERCER ST, BOX 358047, SEATTLE, WA 98109(206) 897-1327 Get Directions Write a Review

NPPES record last updated: August 13, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Estell Williams Md NPPES

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

ESTELL WILLIAMS MD (NPI 1841532157) is an individual surgery provider in Seattle, Washington, licensed in Washington (ML60370436) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of University Of Washington School Of Medicine (2013).

NPPES Registry Identity

NPI1841532157
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameESTELL WILLIAMSCredential: MD
Location Address815 MERCER ST, BOX 358047Seattle, WA 98109-4714
Mailing Address1503b E Union StSeattle, WA 98122-4198 · (510) 701-1437
Phone(206) 897-1327
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2013
Enumeration DateMarch 25, 2013
Last NPPES UpdateAugust 13, 2013
✔ NPI 1841532157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WA · ML60370436
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
815 MERCER ST, Seattle, WA 98109
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Estell Williams 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.

PECOS PAC ID1658690607
PECOS Enrollment IDI20180724003664
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
30 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SAMUEL JISOO KIM DO, MA
Anesthesiology
815 MERCER ST, UNIV OF WASHINGTON GME OFFICE
SEATTLE, WA 98109
King County (206) 390-7397

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 Estell Williams's NPI number?

The NPI number for Estell Williams is 1841532157. It was assigned to this individual provider in the NPPES registry on March 25, 2013.

Where is Estell Williams located?

Estell Williams practices at 815 Mercer St Box 358047, Seattle, WA 98109. The listed phone number is (206) 897-1327.

What is Estell Williams's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Estell Williams enrolled in Medicare?

Yes. Estell Williams 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 Estell Williams accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Estell Williams 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 Estell Williams affiliated with any hospitals?

According to CMS data, Estell Williams is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Estell Williams was last updated on August 13, 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.