MOLLY A MAMMOSSER
NPI 1649925116
Occupational Therapist in Sterling, IL

Active since February 14, 2022
1809 LOCUST ST, STERLING, IL 61081(815) 625-4790 Get Directions Write a Review

NPPES record last updated: February 14, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Molly A Mammosser NPPES

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

MOLLY A MAMMOSSER (NPI 1649925116) is an individual occupational therapist in Sterling, Illinois and active in the NPI registry since February 2022.

NPPES Registry Identity

NPI1649925116
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMOLLY A MAMMOSSER
Location Address1809 LOCUST STSterling, IL 61081-1101
Mailing Address101 E Miller RdSterling, IL 61081-1252 · (815) 625-4790
Sole ProprietorNo
Enumeration DateFebruary 14, 2022
NPPES CertifiedFebruary 14, 2022
✔ NPI 1649925116 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
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.
1809 LOCUST ST, Sterling, IL 61081

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Molly A Mammosser is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Family Medicine
101 E MILLER RD
Sterling, IL 61081
  • Reassigned Medicare billing, Illinois enrollment
  • 356 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 20

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

Occupational Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081
Physical Therapist
1809 LOCUST ST
STERLING, IL 61081

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 Molly Mammosser's NPI number?

The NPI number for Molly Mammosser is 1649925116. It was assigned to this individual provider in the NPPES registry on February 14, 2022.

Where is Molly Mammosser located?

Molly Mammosser practices at 1809 Locust St, Sterling, IL 61081. The listed phone number is (815) 625-4790.

What is Molly Mammosser's specialty?

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

Is Molly Mammosser enrolled in Medicare?

Yes. Molly Mammosser is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Molly Mammosser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Mammosser reassigns Medicare benefits to Cgh Medical Center (Sterling, IL). 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 Molly Mammosser'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 Molly Mammosser was last updated on February 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.