DR. JACK MARK FIELDS MD
NPI 1326016379
Radiology - Diagnostic Radiology in Olympia, WA

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
3417 ENSIGN RD NE, OLYMPIA, WA 98506(360) 493-4600(360) 493-4603 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 30, 2025, Jan 24, 2019 (2 updates tracked since 2019).

About Dr. Jack Mark Fields Md NPPES

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

DR. JACK MARK FIELDS MD (NPI 1326016379) is an individual diagnostic radiology provider in Olympia, Washington, licensed in Washington (MD00045508) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Northwest Specialty Hospital, and maintains a secondary practice location in Tonasket.

NPPES Registry Identity

NPI1326016379
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JACK MARK FIELDSCredential: MD
Location Address3417 ENSIGN RD NEOlympia, WA 98506-5075
Mailing Address19020 33rd Ave W Ste 210Lynnwood, WA 98036-4748 · (425) 563-1500 · Fax (425) 563-1374
Fax(360) 493-4603
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2000
Enumeration DateMarch 8, 2006
Last NPPES UpdateDecember 30, 20252 updates tracked since enumeration
NPPES CertifiedDecember 30, 2025
NPI 1326016379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in WA · MD00045508
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3417 ENSIGN RD NE, Olympia, WA 98506

Secondary Practice Location 1

Location 1203 S Western AveTonasket, WA 98855-8803 · Phone (509) 486-2151 · Fax (509) 223-1640

Other Identifiers 4

Other0384204WA · Lni-radia
Medicaid8450157WA
Other0207711WA · Lni-south Sound Radiology
Medicaid1043717WA

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

Dr. Jack Mark Fields 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 ID2567478951
PECOS Enrollment IDI20060222000331, I20250124002263
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 62

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.

Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
1,570 services12 patients
Ct scan of leg without contrast 73700
A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.
256 services241 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
216 services216 patients
Ct scan of pelvis without contrast 72192
A CT scan of the pelvis without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your lower abdomen area. It helps in detecting issues like injuries, inflammation, or abnormal growths. It doesn't involve any dye injection.
162 services162 patients
Mri scan of leg joint without contrast 73721
An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.
145 services141 patients
Mri scan of leg joint without contrast 73721
An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.
118 services103 patients

Hospital Affiliations CMS Care Compare 5

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

Northwest Specialty Hospital

Acute Care Hospitals · Post Falls, ID
OwnershipProprietary
CMS Certification Number130066
Location1593 East Polston AvenuePost Falls, ID 83854 · Kootenai County

Asante Rogue Regional Medical Center

Acute Care Hospitals · Medford, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380018
Location2825 E Barnett RoadMedford, OR 97504 · Jackson County
Emergency services Birthing friendly

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 98506 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
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

Appropriate Follow-up Imaging for Incidental Abdominal Lesions
Percentage of final reports for abdominal imaging studies for asymptomatic patients aged 18 years and older with one or more of the following noted incidentally with follow_up imaging recommended: - Liver lesion =< 0.5 cm - Cystic kidney lesion < 1.0 cm -…
Lower rates are better for this measure.
0%25 patients
Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%953 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
99%89 patients
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.

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.

Radiology (Diagnostic Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Radiology (Diagnostic Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Specialist
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Radiology (Diagnostic Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Radiology (Diagnostic Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Radiology (Vascular & Interventional Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Radiology (Diagnostic Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506
Radiology (Diagnostic Radiology)
3417 ENSIGN RD NE
OLYMPIA, WA 98506

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 Jack Fields's NPI number?

The NPI number for Jack Fields is 1326016379. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Jack Fields located?

Jack Fields practices at 3417 Ensign Rd NE, Olympia, WA 98506. The listed phone number is (360) 493-4600.

What is Jack Fields's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Jack Fields enrolled in Medicare?

Yes. Jack Fields 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 Jack Fields accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage, Octave and Premera Blue Cross Blue Shield of Alaska list Jack Fields 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 Jack Fields affiliated with any hospitals?

According to CMS data, Jack Fields is affiliated with Northwest Specialty Hospital, Asante Rogue Regional Medical Center, Swedish Medical Center / Cherry Hill, Swedish Medical Center and Swedish Issaquah.

When was this NPI record last updated?

The NPPES record for Jack Fields was last updated on December 30, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.