NPPES file of Aug 9, 2026

Irina Rozin Cassimatis, M.D.

Maternal & Fetal Medicine Physician · Portland, OR

Irina Rozin Cassimatis, M.D. is a maternal & fetal medicine physician with a practice address in Portland, Oregon, and NPI 1194119172, issued on Mar 26, 2015. Check the license (Oregon MD209836, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194119172
Name
Irina Rozin Cassimatis
Credential
M.D.
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License numbers
MD209836 OR
MD61270523 WA
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD # L466, Portland, OR 97239
Phone
(503) 494-2101
Enumerated
Mar 26, 2015
Record last updated
Sep 15, 2022
Fax
(503) 494-5296
Medicare enrollment
Enrolled (PECOS I20220713002392); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest maternal & fetal medicine physician records → All 57 in Oregon → Look up another NPI →

Also registered at 3181 SW Sam Jackson Park RD # L466

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christina DjabirasObstetrics & Gynecology Physician1881128080
  2. Jamie Lo, MDMaternal & Fetal Medicine Physician1215182035
  3. Katherine Lyons, MDObstetrics & Gynecology Physician1154764504
  4. Neesha Patel, MDFamily Medicine Physician1417248725

Verify Irina Rozin Cassimatis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD209836    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through 3 group practices

  1. PeacehealthVancouver, WA
  2. Salem HealthSalem, OR
  3. University Professional ServicesThe Dalles, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Irina Rozin Cassimatis among 57 maternal & fetal medicine physician records in Oregon

Irina Rozin Cassimatis, M.D. is one of 57 maternal & fetal medicine physician records with a practice address in Oregon. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 86% of them.

  • NPI issued2015 · 86% of these records are older, 7% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2015 · median 2006 among the 40 with a school on file
  • Record last updated2022 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Oregon

There are 57 maternal & fetal medicine physician records in Oregon.

All 57 in Oregon → Every provider in Portland → Maternal & Fetal Medicine Physician nationwide →

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. David Abel, MDPortland, OR 972391609858224
  2. Kathleen Brookfield, M.D., PH.D.Portland, OR 972391770756561
  3. Aaron Caughey, M.D.Portland, OR 972391457398430
  4. Lowell Davis, MDPortland, OR 972391720095649
  5. Antonio Frias, MDPortland, OR 972391033130299
  6. Richard Lowensohn, MDPortland, OR 972391851309306
  7. Nicole Marshall, M.D.Portland, OR 972391609062728
  8. Emmanuelle Pare, MDPortland, OR 972391528099579

Common questions

What is Irina Rozin Cassimatis, M.D.'s NPI number?

Irina Rozin Cassimatis, M.D.'s National Provider Identifier (NPI) is 1194119172, issued on Mar 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Irina Rozin Cassimatis, M.D. located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD # L466, Portland, OR, 97239. Phone: (503) 494-2101. Providers update this record themselves, so call before visiting.

How can I verify Irina Rozin Cassimatis, M.D.'s license?

NPPES lists Oregon license number MD209836, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.