MS. MARILYN ROSARIO OTR/L
NPI 1134437817
Occupational Therapist in Brooklyn, NY
About Ms. Marilyn Rosario Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARILYN ROSARIO OTR/L (NPI 1134437817) is an individual occupational therapist in Brooklyn, New York, licensed in New York (015990) and active in the NPI registry since September 2010. She is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Marilyn Rosario 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.
Medicare Billing Reassignments
2Medicare enrollment records show Marilyn Rosario reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11229
- Reassigned Medicare billing, New York enrollment
- 446 clinicians in this Medicare group
Brooklyn, NY 11206
- Reassigned Medicare billing, New York enrollment
- 260 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.
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 Marilyn Rosario's NPI number?
The NPI number for Marilyn Rosario is 1134437817. It was assigned to this individual provider in the NPPES registry on September 16, 2010.
Where is Marilyn Rosario located?
Marilyn Rosario practices at 534 E 9th St 1st Floor, Brooklyn, NY 11218. The listed phone number is (646) 515-8764.
What is Marilyn Rosario's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Marilyn Rosario enrolled in Medicare?
Yes. Marilyn Rosario 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 Marilyn Rosario's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Rosario reassigns Medicare benefits to 2 organizations: New York Physical And Occupational Therapy Services, PLLC (Brooklyn, NY) and Anchor Health Homecare Services Inc (Brooklyn, NY). 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 Marilyn Rosario'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 Marilyn Rosario was last updated on September 16, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.