NPPES file of Aug 9, 2026

Julianna Desmarais, MD

Rheumatology Physician · Portland, OR

Julianna Desmarais, MD is a rheumatology physician with a practice address in Portland, Oregon, and NPI 1194014530, issued on Apr 6, 2011. Check the license (Oregon MD171187, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194014530
Name
Julianna Desmarais
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
MD171187 OR
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-8637
Enumerated
Apr 6, 2011
Record last updated
Jun 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(503) 494-1133
Medicare enrollment
Enrolled (PECOS I20170524001054); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 3181 SW Sam Jackson Park RD

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

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify Julianna Desmarais in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD171187
    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.

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9% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,795 Medicare Part D claims for 274 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Julianna Desmarais1,795
  2. Specialty average1,978

Most prescribed

  1. Methotrexate292 claims
  2. Hydroxychloroquine Sulfate191 claims
  3. Prednisone188 claims
  4. Mycophenolate Mofetil92 claims
  5. Azathioprine79 claims
  6. Leflunomide73 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 68.5 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.

  1. Qualityout of 100 · 30% of the final score65.9
  2. Costout of 100 · 30%38.8
  3. Promoting interoperabilityout of 100 · 25%85.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University Professional ServicesPortland, OR

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

Julianna Desmarais among 101 rheumatology physician records in Oregon

Julianna Desmarais, MD is one of 101 rheumatology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 73% of them.

  • NPI issued2011 · 73% of these records are older, 23% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2011 · median 2004 among the 65 with a school on file
  • Record last updated2017 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Oregon

There are 101 rheumatology physician records in Oregon.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Jennifer Barton, M.D.Portland, OR 972391306015995
  2. Mohamad Bittar, M.D.Portland, OR 972391942615240
  3. Cong-Qiu Chu, MDPortland, OR 972391780625780
  4. David Daikh, M.D.,PH.DPortland, OR 972391740363654
  5. Atulya Deodhar, MDPortland, OR 972391558376053
  6. Marcia Friedman, M.D.Portland, OR 972391255607545
  7. Shirley Ingram, M.D.Portland, OR 972391700062353
  8. Brian LePortland, OR 972391487069795

Common questions

What is Julianna Desmarais, MD's NPI number?

Julianna Desmarais, MD's National Provider Identifier (NPI) is 1194014530, issued on Apr 6, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Julianna Desmarais, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8637. Providers update this record themselves, so call before visiting.

How can I verify Julianna Desmarais, MD's license?

NPPES lists Oregon license number MD171187, 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.

How much does Julianna Desmarais, MD prescribe under Medicare Part D?

In 2024, Julianna Desmarais, MD had 1,795 Medicare Part D claims for 274 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Julianna Desmarais, MD's MIPS final score?

The 2023 MIPS final score is 68.5 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.