JUDITH D. NIELSEN M.D.
NPI 1093871634
Internal Medicine in Federal Way, WA

Q: What is Judith Nielsen's NPI number?

The NPI number for Judith Nielsen is 1093871634. It was assigned to this individual provider in the NPPES registry on December 28, 2006.

Q: What is Judith Nielsen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Judith Nielsen was last updated on June 18, 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.

Active since December 28, 2006PECOS Enrolled

31833 GATEWAY CENTER BLVD S, FEDERAL WAY, WA 98003(253) 214-1920 Get Directions Write a Review

NPPES record last updated: June 18, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 18, 2021, Jan 24, 2019, Dec 17, 2018 (3 updates tracked since 2018).

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About Judith D. Nielsen M.d. NPPES

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

JUDITH D. NIELSEN M.D. (NPI 1093871634) is an individual internal medicine provider in Federal Way, Washington, licensed in Washington (MD00026847) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Renton.

NPPES Registry Identity

NPI1093871634

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameJUDITH D. NIELSENCredential: M.D.

Location Address31833 GATEWAY CENTER BLVD SFederal Way, WA 98003-5616

Mailing AddressPo Box 34584Seattle, WA 98124-1584 · (253) 596-3380

Phone(253) 214-1920

Sole ProprietorNo

Enumeration DateDecember 28, 2006

Last NPPES UpdateJune 18, 20213 updates tracked since enumeration

NPPES CertifiedJune 18, 2021

✔ NPI 1093871634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in WA · MD00026847

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

31833 GATEWAY CENTER BLVD S, Federal Way, WA 98003

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Secondary Practice Location 1

Location 1601 S Carr Rd Ste 100Renton, WA 98055-5802 · Phone (425) 227-3700 · Fax (425) 227-3116

Other Identifiers 1

Medicaid8115172WA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Judith D. Nielsen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Pacmed Clinics

2.7 mi

Multi-Specialty

1200 12TH AVE S
Seattle, WA 98124

Reassigned Medicare billing, Washington enrollment
291 clinicians in this Medicare group

NPI 1013061217 (206) 621-4316

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

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.

18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98003 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

$143.76 typical visit price

range $63.67 – $189.37

Typical copayment $35.94 (range $15.91 – $47.34)

Most-billed visit code 99204

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.

Other Providers at the Same Location NPPES 7

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

PACMED CLINICS

Clinic/Center (Multi-Specialty)