DR. JEFFREY MULLEN MD
NPI 1447614276
Psychiatry & Neurology - Neuromuscular Medicine in Orange, CA
About Dr. Jeffrey Mullen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY MULLEN MD (NPI 1447614276) is an individual neuromuscular medicine provider in Orange, California, licensed in California (A152641) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of University Of California, Irvine, California College Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Jeffrey Mullen 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 Reassignment
Medicare enrollment records show Jeffrey Mullen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 135 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 10
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
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 Jeffrey Mullen's NPI number?
The NPI number for Jeffrey Mullen is 1447614276. It was assigned to this individual provider in the NPPES registry on April 7, 2016.
Where is Jeffrey Mullen located?
Jeffrey Mullen practices at 200 S Manchester Ave Ste 110, Orange, CA 92868. The listed phone number is (714) 456-2332.
What is Jeffrey Mullen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neuromuscular Medicine, with taxonomy code 2084N0008X.
Is Jeffrey Mullen enrolled in Medicare?
Yes. Jeffrey Mullen 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 Jeffrey Mullen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Mullen reassigns Medicare benefits to Regents Of The University Of Claifornia Univ Neursciences (Orange, CA). 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 Jeffrey Mullen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jeffrey Mullen was last updated on September 4, 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.