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ELENA HAMILTON M.D.
NPI 1518340322
Internal Medicine - Hospice and Palliative Medicine in Portland, OR

Active since June 30, 2015PECOS EnrolledAccepts Medicare Assignment
3600 N INTERSTATE AVE, PORTLAND, OR 97227(800) 813-2000 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 16, 2021, Nov 1, 2017 (2 updates tracked since 2017).

About Elena Hamilton M.d. NPPES

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

ELENA HAMILTON M.D. (NPI 1518340322) is an individual hospice and palliative medicine provider in Portland, Oregon, licensed in Oregon (MD205985) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1518340322
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameELENA HAMILTONCredential: M.D.
Location Address3600 N INTERSTATE AVEPortland, OR 97227-1106
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031 · (800) 813-2000
Phone(800) 813-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 30, 2015
Last NPPES UpdateJuly 30, 20252 updates tracked since enumeration
NPPES CertifiedJuly 30, 2025
✔ NPI 1518340322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in OR · MD205985
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
3600 N INTERSTATE AVE, Portland, OR 97227
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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 and accepts Medicare assignment

Elena Hamilton 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 ID6709159122
PECOS Enrollment IDI20210901001182
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 Elena Hamilton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Northwest
Same address
Oncology, Radiation
3620 N INTERSTATE AVE
Portland, OR 97227
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1184786527 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1093043424 (503) 280-2931

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

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.

DAVID WEI KUO LIN M.D.
Otolaryngology
3600 N INTERSTATE AVE, INTERSTATE MEDICAL OFFICE CENTRAL
PORTLAND, OR 97227
Multnomah County (503) 331-6085
DR. LYNETTE SANTOS MALIK M.D.
Physical Medicine & Rehabilitation (Sports Medicine)
3600 N INTERSTATE AVE, DEPARTMENT OF PHYSICAL MEDICINE
PORTLAND, OR 97227
Multnomah County (503) 331-3070
DR. RYO A. SHOHARA M.D.
Internal Medicine (Hematology & Oncology)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 331-6500
JOHANNA R HEYMANN RN, LCSW
Social Worker (Clinical)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 213-8000
DR. SARI JOUIHAN MS, PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 504-4203
THOMAS HUGH GIBBS O.D.
Optometrist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 249-3449
DR. CATALINA HERNANDEZ TORRES MD
Internal Medicine (Hematology & Oncology)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
ANTONY MATHEW POOTHULLIL MD
Ophthalmology
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 331-6330

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 Elena Hamilton's NPI number?

The NPI number for Elena Hamilton is 1518340322. It was assigned to this individual provider in the NPPES registry on June 30, 2015.

Where is Elena Hamilton located?

Elena Hamilton practices at 3600 N Interstate Ave, Portland, OR 97227. The listed phone number is (800) 813-2000.

What is Elena Hamilton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Elena Hamilton enrolled in Medicare?

Yes. Elena Hamilton 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 Elena Hamilton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elena Hamilton reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Portland, 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 Elena Hamilton'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 Elena Hamilton was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.