BRITTANY DEE MUELLER M.D.
NPI 1063944650
Internal Medicine in Westfield, NJ
About Brittany Dee Mueller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRITTANY DEE MUELLER M.D. (NPI 1063944650) is an individual internal medicine provider in Westfield, New Jersey, licensed in New Jersey (25MA10894200) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 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
Brittany Dee Mueller 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 Reassignment
Medicare enrollment records show Brittany Dee Mueller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 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 7
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJOverlook Medical Center
Acute Care Hospitals · Summit, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07090 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 4
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 Brittany Dee Mueller's NPI number?
The NPI number for Brittany Dee Mueller is 1063944650. It was assigned to this individual provider in the NPPES registry on April 1, 2017.
Where is Brittany Dee Mueller located?
Brittany Dee Mueller practices at 142 Central Ave, Westfield, NJ 07090. The listed phone number is (973) 829-4632.
What is Brittany Dee Mueller's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Brittany Dee Mueller enrolled in Medicare?
Yes. Brittany Dee Mueller 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 organization bills Medicare for Brittany Dee Mueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brittany Dee Mueller reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). The 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 Brittany Dee Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brittany Dee Mueller accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Brittany Dee Mueller 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.
Is Brittany Dee Mueller affiliated with any hospitals?
According to CMS data, Brittany Dee Mueller is affiliated with Morristown Medical Center and Overlook Medical Center.
When was this NPI record last updated?
The NPPES record for Brittany Dee Mueller was last updated on October 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.