KATI HOFFMAN
NPI 1891429437
Nurse Practitioner - Family in Oceanside, NY
About Kati Hoffman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATI HOFFMAN (NPI 1891429437) is an individual family provider in Oceanside, New York, licensed in New York (349567) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Kati Hoffman 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 Kati Hoffman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oceanside, NY 11572
- Reassigned Medicare billing, New York enrollment
- 302 clinicians in this Medicare group
Oceanside, NY 11572
- Reassigned Medicare billing, New York enrollment
- 23 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11572 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.
OCEANSIDE, NY 11572
OCEANSIDE, NY 11572
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 Kati Hoffman's NPI number?
The NPI number for Kati Hoffman is 1891429437. It was assigned to this individual provider in the NPPES registry on July 11, 2022.
Where is Kati Hoffman located?
Kati Hoffman practices at 1 Healthy Way, Oceanside, NY 11572. The listed phone number is (516) 632-3000.
What is Kati Hoffman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kati Hoffman enrolled in Medicare?
Yes. Kati Hoffman 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 Kati Hoffman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kati Hoffman reassigns Medicare benefits to 2 organizations: Mount Sinai School Of Medicine (Oceanside, NY) and Icahn School Of Medicine At Mount Sinai (Oceanside, 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 Kati Hoffman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kati Hoffman affiliated with any hospitals?
According to CMS data, Kati Hoffman is affiliated with Mount Sinai South Nassau.
When was this NPI record last updated?
The NPPES record for Kati Hoffman was last updated on July 11, 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.
# Kati Hoffman · NPI 1891429437
Family physician in Oceanside, New York. Individual provider, active in the CMS NPPES registry since July 11, 2022.
## Identity
- **NPI:** 1891429437 (Entity type: Individual)
- **Enumerated:** July 11, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 349567 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 HEALTHY WAY, Oceanside, NY 11572-1551
- **Phone:** (516) 632-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mount Sinai School Of Medicine (NPI 1396212536, Oceanside, NY); Icahn School Of Medicine At Mount Sinai (NPI 1477177400, Oceanside, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 11, 2022
- **Other identifiers:** Other 349567 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1891429437) · Data from the CMS NPPES public registry.