MARYELLEN L HANLEY MD
NPI 1255446183
Specialist in Morristown, NJ
About Maryellen L Hanley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYELLEN L HANLEY MD (NPI 1255446183) is an individual specialist in Morristown, New Jersey, licensed in New Jersey (25MA05844200) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Maryellen L Hanley Md 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 Maryellen Hanley reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 17 clinicians in this Medicare group
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 105 clinicians in this Medicare group
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Saint Peters University Hospital
- 325 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.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
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 Maryellen Hanley's NPI number?
The NPI number for Maryellen Hanley is 1255446183. It was assigned to this individual provider in the NPPES registry on August 20, 2006.
Where is Maryellen Hanley located?
Maryellen Hanley practices at 95 Madison Avenue Suite 203, Morristown, NJ 07960. The listed phone number is (973) 971-7080.
What is Maryellen Hanley's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Maryellen Hanley enrolled in Medicare?
Yes. Maryellen Hanley 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 Maryellen Hanley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryellen Hanley reassigns Medicare benefits to 3 organizations: Maternal Fetal Medicine Of Practice Associates, PA (Morristown, NJ), Saint Peter's Healthcare System Physician Associates (New Brunswick, NJ) and Saint Peter's University Hospital (New Brunswick, NJ). 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 Maryellen Hanley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maryellen Hanley accept?
Health plans from Oscar Health list Maryellen Hanley 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 Maryellen Hanley was last updated on October 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Maryellen L Hanley, MD · NPI 1255446183
Specialist provider in Morristown, New Jersey. Individual provider, active in the CMS NPPES registry since August 20, 2006.
## Identity
- **NPI:** 1255446183 (Entity type: Individual)
- **Enumerated:** August 20, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 25MA05844200 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 95 MADISON AVENUE, SUITE 203, Morristown, NJ 07960-1905
- **Phone:** (973) 971-7080 · **Fax:** (973) 290-8312
## 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): Maternal Fetal Medicine Of Practice Associates, PA (NPI 1578613840, Morristown, NJ); Saint Peter's Healthcare System Physician Associates (NPI 1548569361, New Brunswick, NJ); Saint Peter's University Hospital (NPI 1376079590, New Brunswick, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers R W Johnson Medical School, class of 1991
## Record status
- **NPPES last updated:** October 25, 2011
- **Other identifiers:** Medicare ID-Type Unspecified 714174; Medicare UPIN G04773 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1255446183) · Data from the CMS NPPES public registry.