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ANYA DISSEN RDN, LD
NPI 1558071639
Dietitian, Registered in South Portland, ME

Active since November 30, 2022
41 DONALD B DEAN DR STE A, SOUTH PORTLAND, ME 04106(207) 661-6064 Get Directions Write a Review

NPPES record last updated: November 30, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Anya Dissen Rdn, Ld NPPES

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

ANYA DISSEN RDN, LD (NPI 1558071639) is an individual dietitian, registered in South Portland, Maine, licensed in Maine (DI1621) and active in the NPI registry since November 2022.

NPPES Registry Identity

NPI1558071639
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameANYA DISSENCredential: RDN, LD
Location Address41 DONALD B DEAN DR STE ASouth Portland, ME 04106-3252
Mailing Address240 Harvard St Apt 607Portland, ME 04103-3536 · (410) 310-7343
Phone(207) 661-6064
Sole ProprietorYes
Enumeration DateNovember 30, 2022
NPPES CertifiedNovember 30, 2022
✔ NPI 1558071639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in ME · DI1621
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.
41 DONALD B DEAN DR STE A, South Portland, ME 04106
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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)

Anya Dissen Rdn, Ld is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Mainehealth
1.0 mi
Family Medicine
272 CONGRESS ST
Portland, ME 04101
  • Reassigned Medicare billing, Maine enrollment
  • 3,140 clinicians in this Medicare group
NPI 1639194509 (207) 874-2466

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 11

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

RUSHIKA M CONROY M.D.
Pediatrics (Obesity Medicine)
41 DONALD B DEAN DR STE A
PORTLAND, ME 04106
Cumberland County (207) 661-6064
LINDSAY S. HARNDEN PA
Physician Assistant (Surgical)
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064
DR. BRITTANI J BERBETTE PHD
Psychologist (Clinical)
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064
ASHLEY L SITES LCSW
Social Worker (Clinical)
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064
ERIN E. MILLER RDN, LDN
Dietitian, Registered
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064
MS. SUSAN ELLEN CADIGAN RD
Dietitian, Registered
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064
REBECCA WERTHEIMER LCSW
Social Worker (Clinical)
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064
MEGAN B SWIFT RD
Dietitian, Registered
41 DONALD B DEAN DR STE A
SOUTH PORTLAND, ME 04106
Cumberland County (207) 661-6064

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 Anya Dissen's NPI number?

The NPI number for Anya Dissen is 1558071639. It was assigned to this individual provider in the NPPES registry on November 30, 2022.

Where is Anya Dissen located?

Anya Dissen practices at 41 Donald B Dean Dr Ste A, South Portland, ME 04106. The listed phone number is (207) 661-6064.

What is Anya Dissen's specialty?

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

Is Anya Dissen enrolled in Medicare?

Yes. Anya Dissen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anya Dissen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anya Dissen reassigns Medicare benefits to Mainehealth (Portland, ME). 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 Anya Dissen'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 Anya Dissen was last updated on November 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.