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HILLARY ELIZABETH RACHEL LOWENSTEIN M.D.
NPI 1356548903
Psychiatry & Neurology - Sleep Medicine in Clackamas, OR

Active since June 28, 2007PECOS Enrolled
9280 SE SUNNYBROOK BLVD, SUITE 300, CLACKAMAS, OR 97015(503) 233-5548 Get Directions Write a Review

NPPES record last updated: March 18, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hillary Elizabeth Rachel Lowenstein M.d. NPPES

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

HILLARY ELIZABETH RACHEL LOWENSTEIN M.D. (NPI 1356548903) is an individual sleep medicine provider in Clackamas, Oregon, licensed in Oregon (MD161803) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356548903
Entity TypeIndividualFemale
Primary Taxonomy2084S0012X
Provider Legal NameHILLARY ELIZABETH RACHEL LOWENSTEINCredential: M.D.
Location Address9280 SE SUNNYBROOK BLVD, SUITE 300Clackamas, OR 97015-9353
Mailing Address9280 Se Sunnybrook Blvd, Suite 300Clackamas, OR 97015-9353 · (503) 233-5548 · Fax (503) 230-1009
Phone(503) 233-5548
Sole ProprietorNo
Enumeration DateJune 28, 2007
Last NPPES UpdateMarch 18, 2015
✔ NPI 1356548903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084S0012X
License✔ Licensed in OR · MD161803
Definition
A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
9280 SE SUNNYBROOK BLVD, Clackamas, OR 97015
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hillary Elizabeth Rachel Lowenstein 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 Reassignments

2

Medicare enrollment records show Hillary Lowenstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eastmoreland Ear, Nose & Throat, Clinic, LLP
0.6 mi
Otolaryngology/Facial Plastic Surgery
10151 SE SUNNYSIDE RD STE 240
Clackamas, OR 97015
  • Reassigned Medicare billing, Oregon enrollment
  • 15 clinicians in this Medicare group
NPI 1386754398 (503) 233-5548
Signify Health Medical Associates, PLLC
1,617 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Oregon enrollment
  • 182 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

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 97015 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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
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.

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

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…
8%929 patients1/55-star benchmark: 97%
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 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
11 suppliers58 claims58 services$31.54 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
9 suppliers35 claims35 services$80.89 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
9 suppliers33 claims82 services$30.06 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
6 suppliers35 claims197 services$15.38 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
2 suppliers15 claims74 services$11.69 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
7 suppliers46 claims46 services$46.05 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 2

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

CLACKAMAS RADIATION ONCOLOGY CENTER
Clinic/Center (Oncology, Radiation)
9280 SE SUNNYBROOK BLVD, SUITE 100
CLACKAMAS, OR 97015
Clackamas County (503) 215-1837
DR. ROBERT LEE ROBERTS D.O.
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
9280 SE SUNNYBROOK BLVD, SUITE 300
CLACKAMAS, OR 97015
Clackamas County (503) 233-5548

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 Lowenstein's NPI number?

The NPI number for Hillary Lowenstein is 1356548903. It was assigned to this individual provider in the NPPES registry on June 28, 2007.

Where is Hillary Lowenstein located?

Hillary Lowenstein practices at 9280 SE Sunnybrook Blvd Suite 300, Clackamas, OR 97015. The listed phone number is (503) 233-5548.

What is Hillary Lowenstein's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Is Hillary Lowenstein enrolled in Medicare?

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

Which organizations bill Medicare for Hillary Lowenstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Lowenstein reassigns Medicare benefits to 2 organizations: Eastmoreland Ear, Nose & Throat, Clinic, LLP (Clackamas, OR) and Signify Health Medical Associates, PLLC (Dallas, TX). Each 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 Lowenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hillary Lowenstein was last updated on March 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.