Amalia Margaret Iwasaki Pfeifer, PT
Physical Therapist · Lake Oswego, OR
Amalia Margaret Iwasaki Pfeifer, PT is a physical therapist with a practice address in Lake Oswego, Oregon, and NPI 1194356311, issued on Jan 27, 2020. Check the license (Oregon 63539, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amalia Margaret Iwasaki Pfeifer
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 63539 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4004 Kruse Way PL Ste 300, Lake Oswego, OR 97035
- Phone
- (503) 216-1712
- Enumerated
- Jan 27, 2020
- Record last updated
- Mar 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20200225001519); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 4,123 in Oregon → Look up another NPI →
Also registered at 4004 Kruse Way PL Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Barayuga, MDInternal Medicine Physician1295225951
- Olesea Bonanno, ARNPFamily Nurse Practitioner1386128056
- Eric Falquist, PTPhysical Therapist1841681491
- Colleen Finnegan, M.D.Internal Medicine Physician1104909936
- Laura Gaff, M.D.Family Medicine Physician1033401906
- Brooke Garofalo, RNFamily Nurse Practitioner1902469281
Verify Amalia Margaret Iwasaki Pfeifer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 63539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Providence Health And Services OregonLake Oswego, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amalia Margaret Iwasaki Pfeifer among 4,123 physical therapist records in Oregon
Amalia Margaret Iwasaki Pfeifer, PT is one of 4,123 physical therapist records with a practice address in Oregon. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 74% of them.
- NPI issued2020 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2019 · median 2016 among the 1,471 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 physical therapist records list a practice address in Lake Oswego
They are 80 of the 1,377 NPPES records with a practice address in Lake Oswego, and 4,123 physical therapist records in Oregon.
All 4,123 in Oregon → Every provider in Lake Oswego → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Laila Deardorff, P.T.Lake Oswego, OR 970351366478299
- Elizabeth Finley, MSPTLake Oswego, OR 970351942571658
- Natalie Graham, M.S.P.T.Lake Oswego, OR 970351164635116
- Donna Jackson, PTLake Oswego, OR 970351942401351
- Colleen Little, D.P.T.Lake Oswego, OR 970351033422514
- Marie Long, MSPTLake Oswego, OR 970351548312655
- Gail LowryLake Oswego, OR 970351043481021
- Anthony Matt, P.T.Lake Oswego, OR 970351124146576
Common questions
What is Amalia Margaret Iwasaki Pfeifer, PT's NPI number?
Amalia Margaret Iwasaki Pfeifer, PT's National Provider Identifier (NPI) is 1194356311, issued on Jan 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Amalia Margaret Iwasaki Pfeifer, PT located?
The NPPES record lists a practice address at 4004 Kruse Way PL Ste 300, Lake Oswego, OR, 97035. Phone: (503) 216-1712. Providers update this record themselves, so call before visiting.
How can I verify Amalia Margaret Iwasaki Pfeifer, PT's license?
NPPES lists Oregon license number 63539, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
What is Amalia Margaret Iwasaki Pfeifer, PT's MIPS final score?
The 2023 MIPS final score is 8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.