CHRISTOPHER R LOISELLE M.D.
NPI 1225259187
Radiology - Radiation Oncology in Seattle, WA

Q: What is Christopher Loiselle's NPI number?

The NPI number for Christopher Loiselle is 1225259187. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Q: What is Christopher Loiselle's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since May 01, 2007PECOS EnrolledAccepts Medicare Assignment

1221 MADISON ST, 1ST FLOOR, SEATTLE, WA 98104(206) 386-2323(206) 386-2393 Get Directions Write a Review

NPPES record last updated: May 24, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Christopher R Loiselle M.d. NPPES

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

CHRISTOPHER R LOISELLE M.D. (NPI 1225259187) is an individual radiation oncology provider in Seattle, Washington, licensed in Washington (MD60101794) and active in the NPI registry since May 2007. 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

NPI1225259187

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameCHRISTOPHER R LOISELLECredential: M.D.

Location Address1221 MADISON ST, 1ST FLOORSeattle, WA 98104-3589

Mailing AddressPo Box 749730Los Angeles, CA 90074-9730 · (855) 743-5921 · Fax (302) 733-0854

Phone(206) 386-2323

Fax(206) 386-2393

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2006

Enumeration DateMay 1, 2007

Last NPPES UpdateMay 24, 2021

NPPES CertifiedMay 24, 2021

✔ NPI 1225259187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in WA · MD60101794

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1221 MADISON ST, Seattle, WA 98104

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Secondary Practice Location 1

Location 1550 17th Ave Ste A10Seattle, WA 98122-5789 · Phone (206) 320-7130 · Fax (206) 320-7137

Other Identifiers 1

Medicaid8448193WA

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

Christopher R Loiselle 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 ID8426228073

PECOS Enrollment IDI20110908002351

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 14

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.

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

774 services68 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

352 services69 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

90 services68 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

81 services76 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

70 services66 patients

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.

69 services52 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

66 services57 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

51 services41 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

48 services46 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

45 services45 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

42 services42 patients

Management of complete single session course of cranial lesion surgery using radiation 77432

This procedure involves using radiation to treat a cranial lesion in one session. A precise dose of radiation targets the lesion, destroying abnormal cells while sparing healthy tissue. It's a non-invasive method, meaning no surgical incision is needed.

36 services32 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.

24 services21 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

20 services18 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 Edmonds Hospital

Acute Care Hospitals · Edmonds, WA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500026

Location21601 76th Avenue WestEdmonds, WA 98026 · Snohomish County

Emergency services Birthing friendly

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

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

$189.37 typical visit price

range $63.67 – $189.37

Typical copayment $47.34 (range $15.91 – $47.34)

Most-billed visit code 99205

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.

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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.

PET-CT IMAGING AT SWEDISH CANCER INSTITUTE LLC

Radiology (Diagnostic Radiology)

1221 MADISON ST, STE 150
SEATTLE, WA 98104

King County (206) 215-6487

JULIA CAROLYN BOKMA PARKER DNP, ARNP, BSN, OCN

Nurse Practitioner (Adult Health)

1221 MADISON ST, STE 1020
SEATTLE, WA 98104

King County (206) 215-2658

SWEDISH HEALTH SERVICES

Surgery

1221 MADISON ST, STE 1411
SEATTLE, WA 98104

King County (206) 386-6700

MARTHA A. CLAY ARNP

Nurse Practitioner (Adult Health)

1221 MADISON ST, SUITE 400
SEATTLE, WA 98104

King County (206) 215-6400

SWATHI NAMBURI MD

Internal Medicine (Hematology & Oncology)

1221 MADISON ST, STE 1020
SEATTLE, WA 98104

King County (206) 215-2658

DR. MARC HORTON MD

Surgery

1221 MADISON ST
SEATTLE, WA 98104

King County (206) 386-6700

LASER VISION CENTERS, INC.

Clinic/Center

1221 MADISON ST, STE. 690
SEATTLE, WA 98104

King County (206) 215-3555

JILL RENDER M.D.

Pediatrics

1221 MADISON ST, SUITE 910
SEATTLE, WA 98104

King County (206) 329-1760

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 Christopher Loiselle's NPI number?

The NPI number for Christopher Loiselle is 1225259187. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is Christopher Loiselle located?

Christopher Loiselle practices at 1221 Madison St 1st Floor, Seattle, WA 98104. The listed phone number is (206) 386-2323.

What is Christopher Loiselle's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Christopher Loiselle enrolled in Medicare?

Yes. Christopher Loiselle 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 Christopher Loiselle accept?

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

According to CMS data, Christopher Loiselle is affiliated with Swedish Medical Center / Cherry Hill, Swedish Edmonds Hospital and Swedish Medical Center.

When was this NPI record last updated?

The NPPES record for Christopher Loiselle was last updated on May 24, 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.