DR. PATRICK S THOMPSON MD
NPI 1417938630
Family Medicine in Aliso Viejo, CA
About Dr. Patrick S Thompson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK S THOMPSON MD (NPI 1417938630) is an individual family medicine provider in Aliso Viejo, California, licensed in California (G45100) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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. Patrick S Thompson 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 Patrick Thompson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 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.
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
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 Patrick Thompson's NPI number?
The NPI number for Patrick Thompson is 1417938630. It was assigned to this individual provider in the NPPES registry on November 7, 2005.
Where is Patrick Thompson located?
Patrick Thompson practices at 26538 Moulton Pkwy Ste 38E, Aliso Viejo, CA 92653. The listed phone number is (949) 448-0656.
What is Patrick Thompson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Patrick Thompson enrolled in Medicare?
Yes. Patrick Thompson 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 Patrick Thompson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Thompson reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, 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 Patrick Thompson'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 Patrick Thompson was last updated on July 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Patrick S Thompson, MD · NPI 1417938630
Family Medicine physician in Aliso Viejo, California. Individual provider, active in the CMS NPPES registry since November 7, 2005.
## Identity
- **NPI:** 1417938630 (Entity type: Individual)
- **Enumerated:** November 7, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** G45100 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 26538 MOULTON PKWY STE 38E, Aliso Viejo, CA 92653
- **Phone:** (949) 448-0656
## 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:** Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1980
## Record status
- **NPPES last updated:** July 19, 2018
- **Other identifiers:** Medicaid 00G451000 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1417938630) · Data from the CMS NPPES public registry.