DR. PARAMPREET SINGH WALIA M.D.
NPI 1669716593
Psychiatry & Neurology - Neurology in Fullerton, CA
About Dr. Parampreet Singh Walia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PARAMPREET SINGH WALIA M.D. (NPI 1669716593) is an individual neurology provider in Fullerton, California, licensed in California (132246) and active in the NPI registry since November 2012. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Locations 3
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. Parampreet Singh Walia 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
2Medicare enrollment records show Parampreet Walia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fullerton, CA 92835
- Reassigned Medicare billing, California enrollment
Santa Monica, CA 90404
- Reassigned Medicare billing, California enrollment
- 461 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92835 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FULLERTON, CA 92835
FULLERTON, CA 92835
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 Parampreet Walia's NPI number?
The NPI number for Parampreet Walia is 1669716593. It was assigned to this individual provider in the NPPES registry on November 15, 2012. The provider is also known as Dr. Parampreet Singh MD.
Where is Parampreet Walia located?
Parampreet Walia practices at 2151 N Harbor Blvd Ste 3100, Fullerton, CA 92835. The listed phone number is (714) 446-5830.
What is Parampreet Walia's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Parampreet Walia enrolled in Medicare?
Yes. Parampreet Walia 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 Parampreet Walia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Parampreet Walia reassigns Medicare benefits to 2 organizations: Param Walia MD Neurosciences Services Corporation (Fullerton, CA) and Providence Saint Johns Medical Foundation (Santa Monica, CA). 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 Parampreet Walia'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 Parampreet Walia was last updated on November 10, 2023. 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.
# Dr. Parampreet Singh Walia, M.D. · NPI 1669716593
Neurology physician in Fullerton, California. Individual provider, active in the CMS NPPES registry since November 15, 2012.
## Identity
- **NPI:** 1669716593 (Entity type: Individual)
- **Enumerated:** November 15, 2012
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 132246 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2151 N HARBOR BLVD STE 3100, Fullerton, CA 92835-3825
- **Phone:** (714) 446-5830
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Param Walia MD Neurosciences Services Corporation (NPI 1013591221, Fullerton, CA); Providence Saint Johns Medical Foundation (NPI 1770093734, Santa Monica, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** November 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1669716593) · Data from the CMS NPPES public registry.