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CHARLES W BUTLER MD
NPI 1528004488
Family Medicine - Adult Medicine in Seattle, WA

Active since June 21, 2006PECOS EnrolledAccepts Medicare Assignment
3400 CALIFORNIA AVE SW STE 300, SEATTLE, WA 98116(206) 320-3399(206) 320-5506 Get Directions Write a Review

NPPES record last updated: November 10, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 10, 2021, Oct 7, 2020 (2 updates tracked since 2020).

About Charles W Butler Md NPPES

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

CHARLES W BUTLER MD (NPI 1528004488) is an individual adult medicine provider in Seattle, Washington, licensed in Washington (MD00043901) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1528004488
Entity TypeIndividualMale
Primary Taxonomy207QA0505X
Provider Legal NameCHARLES W BUTLERCredential: MD
Location Address3400 CALIFORNIA AVE SW STE 300Seattle, WA 98116-3307
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476 · Fax (206) 568-7043
Phone(206) 320-3399
Fax(206) 320-5506
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2001
Enumeration DateJune 21, 2006
Last NPPES UpdateNovember 10, 20212 updates tracked since enumeration
NPPES CertifiedNovember 10, 2021
✔ NPI 1528004488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0505X
License✔ Licensed in WA · MD00043901
Definition
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
3400 CALIFORNIA AVE SW STE 300, Seattle, WA 98116
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Secondary Practice Location 1

Location 14100 SW Alaska St Ste BSeattle, WA 98116-4527 · Phone (206) 320-3399 · Fax (206) 320-5506

Other Identifiers 1

Medicaid8431488WA

Accepted Insurance

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

Charles W Butler 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 ID4385675248
PECOS Enrollment IDI20050830000877
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.

Medicare Billing Reassignment

Medicare enrollment records show Charles Butler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Swedish Health Services
3.5 mi
Physical Therapist
800 5TH AVE STE P100
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 663 clinicians in this Medicare group
NPI 1619680840 (206) 320-2700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
266 services147 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
152 services112 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
143 services143 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
58 services35 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
30 services29 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
23 services23 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Swedish Issaquah

Acute Care Hospitals · Issaquah, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500152
Location751 NE Blakely DrIssaquah, WA 98029 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98116 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
$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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers26 claims60 services$6.25 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
4 suppliers34 claims34 services$185.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Charles Butler's NPI number?

The NPI number for Charles Butler is 1528004488. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Charles Butler located?

Charles Butler practices at 3400 California Ave SW Ste 300, Seattle, WA 98116. The listed phone number is (206) 320-3399.

What is Charles Butler's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is Charles Butler enrolled in Medicare?

Yes. Charles Butler 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 organization bills Medicare for Charles Butler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Butler reassigns Medicare benefits to Swedish Health Services (Seattle, WA). The 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 Charles Butler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Butler accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Charles Butler 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 Charles Butler affiliated with any hospitals?

According to CMS data, Charles Butler is affiliated with Swedish Medical Center / Cherry Hill, Swedish Medical Center and Swedish Issaquah.

When was this NPI record last updated?

The NPPES record for Charles Butler was last updated on November 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.