MS. CATHYANN DENISE SYLVAN FNP
NPI 1861865982
Nurse Practitioner - Family in Brooklyn, NY
About Ms. Cathyann Denise Sylvan Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CATHYANN DENISE SYLVAN FNP (NPI 1861865982) is an individual family provider in Brooklyn, New York, licensed in New York (F337176-1) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and is a graduate of Other (2011).
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. Cathyann Denise Sylvan Fnp 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 Cathyann Sylvan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 1,177 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 17 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maimonides Medical Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11236 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cathyann Sylvan's NPI number?
The NPI number for Cathyann Sylvan is 1861865982. It was assigned to this individual provider in the NPPES registry on November 11, 2015.
Where is Cathyann Sylvan located?
Cathyann Sylvan practices at 587 E 87th St Apt 1, Brooklyn, NY 11236. The listed phone number is (917) 541-3960.
What is Cathyann Sylvan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cathyann Sylvan enrolled in Medicare?
Yes. Cathyann Sylvan 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 Cathyann Sylvan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathyann Sylvan reassigns Medicare benefits to 2 organizations: Maimonides Faculty Practice Plan (Brooklyn, NY) and Maimonides Pain Management Fpp (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 Cathyann Sylvan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Cathyann Sylvan affiliated with any hospitals?
According to CMS data, Cathyann Sylvan is affiliated with Maimonides Medical Center.
When was this NPI record last updated?
The NPPES record for Cathyann Sylvan was last updated on November 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Ms. Cathyann Denise Sylvan, FNP · NPI 1861865982
Family physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since November 11, 2015.
## Identity
- **NPI:** 1861865982 (Entity type: Individual)
- **Enumerated:** November 11, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F337176-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 587 E 87TH ST APT 1, Brooklyn, NY 11236-3266
- **Phone:** (917) 541-3960
## 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): Maimonides Faculty Practice Plan (NPI 1053344846, Brooklyn, NY); Maimonides Pain Management Fpp (NPI 1346354370, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** November 11, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1861865982) · Data from the CMS NPPES public registry.