Individual provider

Brooke Seibert, MS, RDN

Registered Dietitian

Brooke Seibert, MS, RDN is a Registered Dietitian in Portland, OR, registered under NPI 1982014429. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.

Getting there

The practice address on file is 3125B NE HOLLADAY ST, Portland, OR 97232. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

3125B NE HOLLADAY ST, Portland, OR 97232 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
1076966 Registered Dietitian primary
60851226 WA Registered Dietitian
10224546 OR Registered Dietitian
1397 ND Registered Dietitian
2022048444 MO Registered Dietitian
0871 SD Registered Dietitian
164.009153 IL Registered Dietitian
37003949A IN Registered Dietitian

Licences are recorded in 7 states: WA, OR, ND, MO, SD, IL, IN. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)

This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.

Licensed in 7 states

This provider holds licences in 7 states: Illinois, Indiana, Missouri, North Dakota, Oregon, South Dakota and Washington. The practice address on file is in Portland, OR, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

IL Illinois
Licence
164.009153
Specialty
Registered Dietitian
Verify with the IL board →
IN Indiana
Licence
37003949A
Specialty
Registered Dietitian
Verify with the IN board →
MO Missouri
Licence
2022048444
Specialty
Registered Dietitian
Verify with the MO board →
ND North Dakota
Licence
1397
Specialty
Registered Dietitian
Verify with the ND board →
OR Oregon practice address
Licence
10224546
Specialty
Registered Dietitian
Verify with the OR board →
SD South Dakota
Licence
0871
Specialty
Registered Dietitian
Verify with the SD board →
WA Washington
Licence
60851226
Specialty
Registered Dietitian
Verify with the WA board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Dietitian, Registered covers

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation. NUCC Health Care Provider Taxonomy, code 133V00000X
Dietary & Nutritional Service Providers Dietitian, Registered

All registered taxonomy codes

This provider registers 8 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
133V00000X Registered Dietitian 1076966 primary
133V00000X Registered Dietitian 60851226 WA
133V00000X Registered Dietitian 10224546 OR
133V00000X Registered Dietitian 1397 ND
133V00000X Registered Dietitian 2022048444 MO
133V00000X Registered Dietitian 0871 SD
133V00000X Registered Dietitian 164.009153 IL
133V00000X Registered Dietitian 37003949A IN

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1982014429 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateMay 6, 2014
Last updatedJan 12, 2026
StatusActive
Sole proprietorYes
CredentialMS, RDN
Practice address 3125B NE HOLLADAY ST
Portland, OR 97232
(971) 361-8250
Mailing address 420 NE BIRCH ST APT 206
Camas, WA 98607
This record was updated on Jan 12, 2026, which is recent enough that the contact details are likely still accurate.

Number check

1982014429 passes the NPI check digit test The final digit 9 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 9 8 2 0 1 4 4 2
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 9 7 2 0 1 8 4 4

Sum = 61 · next multiple of 10 = 70 · check digit = 9 · actual last digit = 9

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1982014429?
NPI 1982014429 is the National Provider Identifier assigned to Brooke Seibert, MS, RDN in Portland, OR. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Registered Dietitian cover?
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's…
How do I contact Brooke Seibert, MS, RDN?
The phone number on file with NPPES is (971) 361-8250, last updated Jan 12, 2026. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Is NPI 1982014429 a valid number?
Yes. 1982014429 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.