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MS. HEATHER MITSURU MOTONAGA M.D.
NPI 1104143106
Internal Medicine in Portland, OR

Active since April 29, 2010PECOS EnrolledAccepts Medicare Assignment
3550 N INTERSTATE AVE, PORTLAND, OR 97227(800) 813-2000 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 19, 2025, Jun 9, 2023, Feb 4, 2022 (3 updates tracked since 2022).

About Ms. Heather Mitsuru Motonaga M.d. NPPES

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

MS. HEATHER MITSURU MOTONAGA M.D. (NPI 1104143106) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD162798) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1104143106
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMS. HEATHER MITSURU MOTONAGACredential: M.D.
Location Address3550 N INTERSTATE AVEPortland, OR 97227-1196
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031
Phone(800) 813-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateApril 29, 2010
Last NPPES UpdateNovember 19, 20253 updates tracked since enumeration
NPPES CertifiedNovember 19, 2025
✔ NPI 1104143106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD162798
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.
3550 N INTERSTATE AVE, Portland, OR 97227
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Secondary Practice Location 1

Location 13181 SW Sam Jackson Park Rd, Oregon Health and Science UniversityPortland, OR 97239-3011 · Phone (503) 494-8211

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente.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

Ms. Heather Mitsuru Motonaga 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 ID5496900201
PECOS Enrollment IDI20130924000894
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 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.

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.

JAMES PAUL BRYANT LCSW, CADC 3
Counselor
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 964-0000
ALISON D. ARMOUR PSYD
Psychologist (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 813-2000
MS. JESSICA A DUDLEY FNP
Nurse Practitioner (Family)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 746-1575
DANAYA LEE HALL SWHNP
Nurse Practitioner
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
MS. JANET LEE MUCKRIDGE RD LD
Dietitian, Registered
3550 N INTERSTATE AVE, NUTRITION DEPARTMENT EAST INTERSTATE
PORTLAND, OR 97227
Multnomah County (503) 286-6871
KAISER FOUNDATION HEALTH PLAN OF THE NORTHWEST
Pharmacy (Managed Care Organization Pharmacy)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (866) 279-6122
COURTNEY JOHNSON LCSW
Social Worker (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
CHIA NENG VANG RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (866) 279-6122

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 Heather Motonaga's NPI number?

The NPI number for Heather Motonaga is 1104143106. It was assigned to this individual provider in the NPPES registry on April 29, 2010.

Where is Heather Motonaga located?

Heather Motonaga practices at 3550 N Interstate Ave, Portland, OR 97227. The listed phone number is (800) 813-2000.

What is Heather Motonaga's specialty?

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

Is Heather Motonaga enrolled in Medicare?

Yes. Heather Motonaga 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 Heather Motonaga accept?

Health plans from Kaiser Permanente list Heather Motonaga 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 Heather Motonaga was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.