DR. PETER NGUYEN M.D., PH.D.
NPI 1306104633
Psychiatry & Neurology - Neurology in Santa Barbara, CA
About Dr. Peter Nguyen M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER NGUYEN M.D., PH.D. (NPI 1306104633) is an individual neurology provider in Santa Barbara, California, licensed in California (A127359) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Fhn Memorial Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter Nguyen M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
21Medicare enrollment records show Peter Nguyen reassigns Medicare billing to 21 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 117 clinicians in this Medicare group
Belleville, IL 62223
- Reassigned Medicare billing, Illinois enrollment
- 38 clinicians in this Medicare group
New Baden, IL 62265
- Reassigned Medicare billing, Illinois enrollment
- 54 clinicians in this Medicare group
Highland, IL 62249
- Reassigned Medicare billing, Illinois enrollment
- 48 clinicians in this Medicare group
Litchfield, IL 62056
- Reassigned Medicare billing, Illinois enrollment
- 60 clinicians in this Medicare group
Springfield, IL 62769
- Reassigned Medicare billing, California and Illinois enrollments
- 3 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Greenville, IL 62246
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Freeport, IL 61032
- Reassigned Medicare billing, California enrollment
- 19 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 8
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Fhn Memorial Hospital
Acute Care Hospitals · Freeport, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93105 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
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 Peter Nguyen's NPI number?
The NPI number for Peter Nguyen is 1306104633. It was assigned to this individual provider in the NPPES registry on April 24, 2012.
Where is Peter Nguyen located?
Peter Nguyen practices at 400 W Pueblo St, Santa Barbara, CA 93105. The listed phone number is (805) 682-2775.
What is Peter Nguyen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Peter Nguyen enrolled in Medicare?
Yes. Peter Nguyen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Nguyen reassigns Medicare benefits to 21 organizations: Central Coast Critical Care Associates (Santa Barbara, CA), Cep America - Neurology PC (Santa Barbara, CA), St Elizabeths Hospital Of The Hospital Sisters Of The Third Order (Belleville, IL), St Josephs Hospital Breese Of The Hospital Sisters Of The Third Orde (New Baden, IL), St Josephs Hospital Of The Hospital Sisters Of The Third Order Of St F (Highland, IL) and 16 more organizations, listed in the Medicare section above. 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 Peter Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Nguyen accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Network Health, Priority Health and Sanford Health Plan list Peter Nguyen 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 Peter Nguyen affiliated with any hospitals?
According to CMS data, Peter Nguyen is affiliated with Fhn Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Peter Nguyen was last updated on April 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.