SIMMI GUZMAN
NPI 1518793363
Nurse Practitioner - Family in Stony Brook, NY
About Simmi Guzman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIMMI GUZMAN (NPI 1518793363) is an individual family provider in Stony Brook, New York, licensed in New York (F354628-01) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 5
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
Simmi Guzman 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 Reassignment
Medicare enrollment records show Simmi Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 177 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11794 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
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 Simmi Guzman's NPI number?
The NPI number for Simmi Guzman is 1518793363. It was assigned to this individual provider in the NPPES registry on September 9, 2024.
Where is Simmi Guzman located?
Simmi Guzman practices at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 444-1077.
What is Simmi Guzman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Simmi Guzman enrolled in Medicare?
Yes. Simmi Guzman 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 organization bills Medicare for Simmi Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Simmi Guzman reassigns Medicare benefits to Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY). 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 Simmi Guzman'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 Simmi Guzman was last updated on September 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.