STEPHEN HASLER THATCHER M.D.
NPI 1851628077
Radiology - Radiation Oncology in Spokane, WA

Q: What is Stephen Thatcher's NPI number?

The NPI number for Stephen Thatcher is 1851628077. It was assigned to this individual provider in the NPPES registry on November 9, 2009.

Q: What is Stephen Thatcher's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Thatcher was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since November 09, 2009PECOS EnrolledAccepts Medicare Assignment

101 W 8TH AVE, SPOKANE, WA 99204(509) 228-1000(509) 252-9300 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 19, 2026, Mar 24, 2017, Feb 9, 2016 and 1 more (4 updates tracked since 2016).

On this page

About Stephen Hasler Thatcher M.d. NPPES

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

STEPHEN HASLER THATCHER M.D. (NPI 1851628077) is an individual radiation oncology provider in Spokane, Washington, licensed in Washington (MD60597209) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS, is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp., and is a graduate of Medical College Of Wisconsin (2006).

NPPES Registry Identity

NPI1851628077

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameSTEPHEN HASLER THATCHERCredential: M.D.

Location Address101 W 8TH AVESpokane, WA 99204-2307

Mailing Address1204 N Vercler RdSpokane Valley, WA 99216-1020 · (509) 228-1000 · Fax (509) 252-9300

Phone(509) 228-1000

Fax(509) 252-9300

Sole ProprietorYes

Medical School CMSMedical College Of WisconsinGraduated 2006

Enumeration DateNovember 9, 2009

Last NPPES UpdateMarch 19, 20264 updates tracked since enumeration

NPPES CertifiedMarch 19, 2026

✔ NPI 1851628077 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in WA · MD60597209✔ Licensed in ID · M-13076

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.

101 W 8TH AVE, Spokane, WA 99204

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Molina Healthcare, PacificSource Health Plans and more.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

Stephen Hasler Thatcher 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 ID2264610336

PECOS Enrollment IDI20151104000428, I20160219002092

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 Stephen Thatcher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cancer Care Northwest Centers P S

8.4 mi

Hematology & Oncology

1204 N VERCLER RD
Spokane Valley, WA 99216

Reassigned Medicare billing, Idaho and Washington enrollments
17 clinicians in this Medicare group

NPI 1922072081 (509) 228-1000

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 37

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

611 services59 patients

Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session G6015

Intensity-modulated radiation therapy (IMRT) is a type of cancer treatment. It uses advanced technology to manipulate photon beams of radiation to conform to the shape of a tumor. IMRT allows for the radiation dose to conform more precisely to the three-dimensional shape of the tumor by modulatingâ€”or controllingâ€”the intensity of the radiation beam. This can result in better tumor control and less harm to healthy tissue.

555 services45 patients

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.

313 services107 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.

238 services66 patients

Continuing radiation therapy consultation per week 77336

Continuing radiation therapy consultation per week involves regular meetings with your healthcare team. These sessions help monitor your progress, manage side effects, and adjust your treatment plan if necessary. It's a key part of ensuring the effectiveness of your radiation therapy.

206 services85 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

145 services55 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

136 services19 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.

113 services107 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.

106 services89 patients

Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev G6012

Radiation therapy involves directing high-energy particles to destroy cancer cells. The technique targets 3 or more areas, using custom blocks for precise focus. Tangential ports, wedges, and rotational beams adjust the radiation's path, while compensators balance radiation dose. Electron beam therapy with 6-10 mev energy is used for deep-seated tumors.

99 services15 patients

Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev G6013

This procedure involves using high-energy radiation to target and treat disease. It covers 3 or more distinct areas, using custom blocks to protect healthy tissue. Tangential ports, wedges, and rotational beams help direct the radiation. An electron beam of 11-19 million electron volts (mev) is used for deep-seated conditions.

73 services12 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.

70 services68 patients

Cranial lesion surgery using radiation over multiple sessions 77373

Cranial lesion surgery using radiation involves targeting abnormal tissue in the brain with high-energy rays. This non-invasive procedure is done over multiple sessions to gradually destroy the lesion without harming healthy tissue. It's a precise, painless process often used when traditional surgery isn't possible.

69 services19 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.

66 services66 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.

65 services60 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

63 services52 patients

Ct guidance for insertion of radiation therapy fields 77014

62 services21 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

62 services52 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.

55 services48 patients

Insertion of device into vagina for radiation therapy 57156

This procedure involves placing a small device in the lower part of your body, near the abdomen. The device delivers radiation therapy to target and treat specific health concerns. It is a common, safe and effective method used in medical treatments.

35 services15 patients

Special medical radiation therapy consultation 77370

A special medical radiation therapy consultation involves discussing the use of high-energy radiation to treat diseases, primarily cancer. It's a chance to understand the process, potential side effects, and benefits. It is a key step in planning your treatment.

35 services33 patients

Design and construction of complex radiation treatment device 77334

33 services14 patients

High dose radiation therapy, 1 channel 77770

High dose radiation therapy involves using a high energy beam to target and destroy cancer cells. The 1 channel refers to the single direction from which the radiation is delivered. This therapy aims to minimize damage to healthy tissues while effectively treating the disease.

32 services14 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.

31 services31 patients

Calculation of radiation therapy dose 77300

30 services13 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.

28 services27 patients

Radiation treatment management, 5 treatment sessions 77427

22 services17 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.

22 services22 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.

19 services16 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

18 services18 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

15 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

X-ray during radiation therapy 77417

An X-ray during radiation therapy is a medical process that helps in tracking the progress of your treatment. It uses small amounts of radiation to create images of your body's internal structure. This aids in ensuring the therapy is accurately targeting the problem area and not harming healthy tissues.

14 services13 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.

14 services12 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.

13 services13 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

13 services11 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.

12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Prov Sacred Hrt Med Ctr & Childs Hosp.

Acute Care Hospitals · Spokane, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500054

Location101 West 8th AvenueSpokane, WA 99204 · Spokane County

Emergency services Birthing friendly

Pullman Regional Hospital

Critical Access Hospitals · Pullman, WA

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501331

Location835 S Bishop BlvdPullman, WA 99163 · Whitman County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99204 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

$172.80 typical visit price

range $57.27 – $172.80

Typical copayment $43.20 (range $14.31 – $43.20)

Most-billed visit code 99205

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

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.

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report

Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred

73%44 patients4/55-star benchmark: 95%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

89%779 patients3/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

56%153 patients2/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

20%74 patients1/55-star benchmark: 96%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

96%379 patients4/55-star benchmark: 100%

Oncology: Medical and Radiation - Pain Intensity Quantified

Percentage of patient visits, regardless of patient age, with a diagnosis of cancer currently receiving chemotherapy or radiation therapy in which pain intensity is quantified

97%1,105 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

95%527 patients4/55-star benchmark: 99%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

91%510 patients4/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

100%22 patients5/55-star benchmark: 98%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

21%527 patients1/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

1%527 patients1/55-star benchmark: 59%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier12 claims310 services$5.82 avg. paid by Medicare

Enteral formula, nutritionally complete, hydrolyzed proteins (amino acids and peptide chain), includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4153

Other-Enteral and Parenteral · category OB006N

1 supplier25 claims9,194 services$1.21 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

CHELSEA POSENJAK

Nurse Anesthetist, Certified Registered

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (509) 474-3131

CAITLIN KLAMPER MD

Psychiatry & Neurology (Psychiatry)

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (509) 474-4744

DR. SARAH N PETERSON MD

Radiology (Diagnostic Radiology)

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (509) 474-3020

MICHAEL GROSS MD

Anesthesiology

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (509) 474-3181

LAURA DARLENE DEWALD DO

Internal Medicine

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (509) 626-9900

PAUL C THORNE MD

Surgery (Pediatric Surgery)

101 W 8TH AVE, STE 100
SPOKANE, WA 99204

Spokane County (509) 474-5445

DR. BROOKS THOMAS LASELLE M.D.

Emergency Medicine

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (253) 217-3832

MR. MICHAEL CLIFFORD BLANCH R.PH.

Pharmacist

101 W 8TH AVE
SPOKANE, WA 99204

Spokane County (509) 474-3088

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 Stephen Thatcher's NPI number?

The NPI number for Stephen Thatcher is 1851628077. It was assigned to this individual provider in the NPPES registry on November 9, 2009.

Where is Stephen Thatcher located?

Stephen Thatcher practices at 101 W 8th Ave, Spokane, WA 99204. The listed phone number is (509) 228-1000.

What is Stephen Thatcher's specialty?

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

Is Stephen Thatcher enrolled in Medicare?

Yes. Stephen Thatcher 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 Stephen Thatcher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Thatcher reassigns Medicare benefits to Cancer Care Northwest Centers P S (Spokane Valley, 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 Stephen Thatcher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Thatcher accept?

Health plans from Ambetter Health, Molina Healthcare, PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Select Health list Stephen Thatcher 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 Stephen Thatcher affiliated with any hospitals?

According to CMS data, Stephen Thatcher is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. and Pullman Regional Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Thatcher was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.