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LINNA DOUK RDN
NPI 1396322954
Dietitian, Registered in Providence, RI

Active since March 28, 2021
111 PLAIN ST, PROVIDENCE, RI 02903(401) 444-5426 Get Directions Write a Review

NPPES record last updated: November 12, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 12, 2024, Jan 27, 2022, Mar 28, 2021 (3 updates tracked since 2021).

About Linna Douk Rdn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LINNA DOUK RDN (NPI 1396322954) is an individual dietitian, registered in Providence, Rhode Island, licensed in Rhode Island (LDN01167) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1396322954
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameLINNA DOUKCredential: RDN
Location Address111 PLAIN STProvidence, RI 02903-4816
Mailing Address117 Ellenfield StProvidence, RI 02905-4541 · (401) 444-5460 · Fax (401) 444-5462
Phone(401) 444-5426
Sole ProprietorYes
Enumeration DateMarch 28, 2021
Last NPPES UpdateNovember 12, 20243 updates tracked since enumeration
NPPES CertifiedNovember 12, 2024
✔ NPI 1396322954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in RI · LDN01167
Definition
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.
Also ListedDietitian, Registered · Nutrition, PediatricTaxonomy 133VN1004X · License LDN01167 (RI)
111 PLAIN ST, Providence, RI 02903
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Linna Douk Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Linna Douk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rhode Island Hospital
0.2 mi
Pediatrics
593 EDDY ST
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 265 clinicians in this Medicare group
NPI 1861420333 (401) 444-6195

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LALA MAMMADOVA
Pediatrics (Pediatric Endocrinology)
111 PLAIN ST
PROVIDENCE, RI 02903
Providence County (401) 793-8100
DOMINICK TAMMARO MD
Internal Medicine
111 PLAIN ST, 3RD FLOOR
PROVIDENCE, RI 02903
Providence County (401) 444-3355
ANNE W MOULTON MD
Internal Medicine
111 PLAIN ST, 3RD FLOOR
PROVIDENCE, RI 02903
Providence County (401) 444-3355
DANIEL OLBRYCH RD
Dietitian, Registered (Nutrition, Pediatric)
111 PLAIN ST
PROVIDENCE, RI 02903
Providence County (401) 444-5603

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Linna Douk's NPI number?

The NPI number for Linna Douk is 1396322954. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Linna Douk located?

Linna Douk practices at 111 Plain St, Providence, RI 02903. The listed phone number is (401) 444-5426.

What is Linna Douk's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Linna Douk enrolled in Medicare?

Yes. Linna Douk is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Linna Douk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Linna Douk reassigns Medicare benefits to Rhode Island Hospital (Providence, RI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Linna Douk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Linna Douk was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.