MARY CHU M.D.
NPI 1801025556
Obstetrics & Gynecology in Cedar Knolls, NJ
About Mary Chu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY CHU M.D. (NPI 1801025556) is an individual obstetrics & gynecology provider in Cedar Knolls, New Jersey, licensed in New Jersey (25MA09437400) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2007).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Mary Chu M.d. 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
4Medicare enrollment records show Mary Chu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maplewood, NJ 07040
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Metropolitan Ob-Gyn PA
- 7 clinicians in this Medicare group
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 clinicians in this Medicare group
North Bergen, NJ 07047
- Reassigned Medicare billing, New Jersey enrollment
- 32 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, New Jersey enrollment
- 155 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 07927 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CEDAR KNOLLS, NJ 07927
CEDAR KNOLLS, NJ 07927
CEDAR KNOLLS, NJ 07927
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 Mary Chu's NPI number?
The NPI number for Mary Chu is 1801025556. It was assigned to this individual provider in the NPPES registry on July 2, 2009.
Where is Mary Chu located?
Mary Chu practices at 160 E Hanover Ave, Cedar Knolls, NJ 07927. The listed phone number is (973) 605-5090.
What is Mary Chu's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Chu enrolled in Medicare?
Yes. Mary Chu 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 Mary Chu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Chu reassigns Medicare benefits to 4 organizations: Metropolitan Ob/Gyn, P.A. (Maplewood, NJ), Barnabas Health Medical Group PC (Elizabeth, NJ), Palisades Medical Associates LLC (North Bergen, NJ) and Ob Hospitalist Services New Jersey, PA (Greenville, SC). 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 Mary Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Chu accept?
Health plans from Oscar Health list Mary Chu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Chu was last updated on July 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.