DR. HILLARY A. NICHOLSON MD, PHD
NPI 1215007596
Pediatrics in Portland, OR

Active since November 08, 2006PECOS Enrolled
10180 SE SUNNYSIDE RD, PORTLAND, OR 97219(971) 334-5098 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 30, 2025, Feb 4, 2022 (2 updates tracked since 2022).

About Dr. Hillary A. Nicholson Md, Phd NPPES

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

DR. HILLARY A. NICHOLSON MD, PHD (NPI 1215007596) is an individual pediatrics provider in Portland, Oregon, licensed in Oregon (MD26529) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215007596
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. HILLARY A. NICHOLSONCredential: MD, PHD
Location Address10180 SE SUNNYSIDE RDPortland, OR 97219-7113
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031 · (008) 813-2000
Sole ProprietorNo
Enumeration DateNovember 8, 2006
Last NPPES UpdateJune 30, 20252 updates tracked since enumeration
NPPES CertifiedJune 6, 2025
✔ NPI 1215007596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in OR · MD26529
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
10180 SE SUNNYSIDE RD, Portland, OR 97219

Other Identifiers 2

Medicaid240386OR
Medicaid8457227WA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hillary A. Nicholson Md, Phd 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 Hillary Nicholson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sleep Disorder Diagnostic
9717 SE SUNNYSIDE RD, 3RD FLOOR
Clackamas, OR 97015
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1871848457 (Washington)
  • 3,207 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97219 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

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 Hillary Nicholson's NPI number?

The NPI number for Hillary Nicholson is 1215007596. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Where is Hillary Nicholson located?

Hillary Nicholson practices at 10180 SE Sunnyside Rd, Portland, OR 97219. The listed phone number is (971) 334-5098.

What is Hillary Nicholson's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Hillary Nicholson enrolled in Medicare?

Yes. Hillary Nicholson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hillary Nicholson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Nicholson reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Clackamas, OR). 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 Hillary Nicholson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hillary Nicholson accept?

Health plans from Kaiser Permanente list Hillary Nicholson 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.

When was this NPI record last updated?

The NPPES record for Hillary Nicholson was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.