MISS KERSTIN RENELL MS, OTR/L
NPI 1821637554
Occupational Therapist in Portland, ME

Active since December 28, 2019Accepts Medicare Assignment
100 FORE ST, PORTLAND, ME 04101(207) 808-0080 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 22, 2026, Dec 28, 2019 (2 updates tracked since 2019).

About Miss Kerstin Renell Ms, Otr/l NPPES

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

MISS KERSTIN RENELL MS, OTR/L (NPI 1821637554) is an individual occupational therapist in Portland, Maine, licensed in Maine (OT3250) and active in the NPI registry since December 2019. She is a graduate of Other (2016).

NPPES Registry Identity

NPI1821637554
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMISS KERSTIN RENELLCredential: MS, OTR/L
Location Address100 FORE STPortland, ME 04101-4879
Mailing Address100 Fore StPortland, ME 04101-4879 · (207) 808-0080
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateDecember 28, 2019
Last NPPES UpdateApril 22, 20262 updates tracked since enumeration
NPPES CertifiedApril 22, 2026
✔ NPI 1821637554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in ME · OT3250
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
100 FORE ST, Portland, ME 04101

Other Names 1

Former Name (1)Kerstin Grenier Ot

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Miss Kerstin Renell Ms, Otr/l is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204372782
PECOS Enrollment IDI20240719002896

Medicare Billing Reassignments

3

Medicare enrollment records show Kerstin Renell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Occupational Therapist
100 FORE ST
Portland, ME 04101
  • Reassigned Medicare billing, Maine enrollment
  • 4 clinicians in this Medicare group
Physical Therapist
100 FORE ST
Portland, ME 04101
  • Reassigned Medicare billing, Maine enrollment
  • 2 clinicians in this Medicare group
General Acute Care Hospital
300 MAIN ST
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 920 clinicians in this Medicare group

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.

Social Worker (Clinical)
100 FORE ST
PORTLAND, ME 04101
Registered Nurse (Case Management)
100 FORE ST
PORTLAND, ME 04101
Occupational Therapist
100 FORE ST
PORTLAND, ME 04101
Family Medicine
100 FORE ST
PORTLAND, ME 04101
Urology
100 FORE ST
PORTLAND, ME 04101
Physical Therapist
100 FORE ST, 2ND FLOOR
PORTLAND, ME 04101
Urology
100 FORE ST
PORTLAND, ME 04101
Physical Therapist
100 FORE ST
PORTLAND, ME 04101

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 Kerstin Renell's NPI number?

The NPI number for Kerstin Renell is 1821637554. It was assigned to this individual provider in the NPPES registry on December 28, 2019. The provider is also known as Kerstin Grenier Ot.

Where is Kerstin Renell located?

Kerstin Renell practices at 100 Fore St, Portland, ME 04101. The listed phone number is (207) 808-0080.

What is Kerstin Renell's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Kerstin Renell enrolled in Medicare?

Yes. Kerstin Renell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kerstin Renell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kerstin Renell reassigns Medicare benefits to 3 organizations: Restoration Healthcare P.C. (Portland, ME), Restoration Medicine Inc (Portland, ME) and Central Maine Medical Center (Lewiston, ME). Each 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 Kerstin Renell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kerstin Renell accept?

Health plans from Anthem Blue Cross and Blue Shield list Kerstin Renell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kerstin Renell was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.