KELCEY MAR
NPI 1831802875
Nurse Practitioner - Family in Riverdale, NJ
About Kelcey Mar NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELCEY MAR (NPI 1831802875) is an individual family provider in Riverdale, New Jersey, licensed in New York (350533) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Raritan Bay Medical Center, and is a graduate of George Washington University School Of Medicine (2022).
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
Kelcey Mar 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
3Medicare enrollment records show Kelcey Mar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverdale, NJ 07457
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Jeffrey Weiss, M.D., P.A.
- 26 clinicians in this Medicare group
Edison, NJ 08820
- Reassigned Medicare billing, New Jersey enrollment
- 351 clinicians in this Medicare group
Brooklyn, NY 11214
- Reassigned Medicare billing, New York enrollment
- 27 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
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.
Raritan Bay Medical Center
Acute Care Hospitals · Perth Amboy, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07457 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Kelcey Mar's NPI number?
The NPI number for Kelcey Mar is 1831802875. It was assigned to this individual provider in the NPPES registry on January 4, 2023.
Where is Kelcey Mar located?
Kelcey Mar practices at 44 State Rt 23 Ste 6, Riverdale, NJ 07457. The listed phone number is (973) 248-9199.
What is Kelcey Mar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kelcey Mar enrolled in Medicare?
Yes. Kelcey Mar 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 Kelcey Mar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelcey Mar reassigns Medicare benefits to 3 organizations: Jeffrey Weiss MD PA (Riverdale, NJ), Hospitalist Physicians Of New Jersey PA (Edison, NJ) and Four Season Medical PLLC (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 Kelcey Mar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kelcey Mar affiliated with any hospitals?
According to CMS data, Kelcey Mar is affiliated with Raritan Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Kelcey Mar was last updated on March 22, 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.
# Kelcey Mar · NPI 1831802875
Family physician in Riverdale, New Jersey. Individual provider, active in the CMS NPPES registry since January 4, 2023.
## Identity
- **NPI:** 1831802875 (Entity type: Individual)
- **Enumerated:** January 4, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 350533 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 44 STATE RT 23 STE 6, Riverdale, NJ 07457-1603
- **Phone:** (973) 248-9199
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Jeffrey Weiss MD PA (NPI 1316016629, Riverdale, NJ); Hospitalist Physicians Of New Jersey PA (NPI 1588021851, Edison, NJ); Four Season Medical PLLC (NPI 1447785316, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** March 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1831802875) · Data from the CMS NPPES public registry.