NPPES file of Aug 9, 2026

Chelsea Warren, RD

Registered Dietitian · Portland, OR

Chelsea Warren, RD is a registered dietitian with a practice address in Portland, Oregon, and NPI 1275892978, issued on May 15, 2012. Check the license (Oregon 10257075, as entered in NPPES) with the Oregon board that licenses this profession; 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
1275892978
Name
Chelsea Warren
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
License number
10257075 OR
Self-reported in NPPES; status is on the state search
Practice location
1350 NE 122ND Ave, Portland, OR 97230
Phone
(503) 255-3404
Enumerated
May 15, 2012
Record last updated
Aug 18, 2025
Fax
(503) 255-4750
Medicare enrollment
Enrolled (PECOS I20250814002054); accepts Medicare assignment
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 1350 NE 122ND Ave

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

  1. Jeremiah Eldred, APRNFamily Nurse Practitioner1700016698
  2. Sarah Flowerday, MDFamily Medicine Physician1902038185
  3. Shugang Ge, MDInternal Medicine Physician1174588693
  4. Sarah Glasser, RDRegistered Dietitian1912440686
  5. Minh Ho, MDFamily Medicine Physician1932374295
  6. Kaylee Hopkins, FNPFamily Nurse Practitioner1699373142

Verify Chelsea Warren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 10257075
    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
Find 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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Bills Medicare through one group practice

  1. Portland Adventist Medical CenterPortland, OR

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

Chelsea Warren among 927 registered dietitian records in Oregon

Chelsea Warren, RD is one of 927 registered dietitian records with a practice address in Oregon. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 32% of them.

  • NPI issued2012 · 32% of these records are older, 65% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2006 · median 2014 among the 138 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Oregon

There are 927 registered dietitian records in Oregon.

The 8 registered dietitian records with the nearest ZIP codes

  1. Sarah Glasser, RDPortland, OR 972301912440686
  2. Divya Garg, MPH, RDNPortland, OR 972291275308579
  3. Deborah Hanyon, MPH, RDN, ACE-CHCPortland, OR 972291578295176
  4. Estefania Herrera Perez, RDNPortland, OR 972291154164580
  5. Michael SilversteinPortland, OR 972291275308439
  6. Dulcinea Childs, RD, LDPortland, OR 972321356573059
  7. Marie JohnsonPortland, OR 972321932641701
  8. Tessa Komine, MS, RDN, LD, CDPortland, OR 972321396295580

Common questions

What is Chelsea Warren, RD's NPI number?

Chelsea Warren, RD's National Provider Identifier (NPI) is 1275892978, issued on May 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Warren, RD located?

The NPPES record lists a practice address at 1350 NE 122ND Ave, Portland, OR, 97230. Phone: (503) 255-3404. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Warren, RD's license?

NPPES lists Oregon license number 10257075, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

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.