DR. CLARK STUART PADDOCK M.D.
NPI 1497784110
Emergency Medicine in Mission Viejo, CA
About Dr. Clark Stuart Paddock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLARK STUART PADDOCK M.D. (NPI 1497784110) is an individual emergency medicine provider in Mission Viejo, California, licensed in California (A51251) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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 and accepts Medicare assignment
Dr. Clark Stuart Paddock 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
4Medicare enrollment records show Clark Paddock reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 149 clinicians in this Medicare group
San Marcos, TX 78666
- Reassigned Medicare billing, Texas enrollment
- 137 clinicians in this Medicare group
Gonzales, TX 78629
- Reassigned Medicare billing, Texas enrollment
- 430 clinicians in this Medicare group
Victoria, TX 77901
- Reassigned Medicare billing, Texas enrollment
- 153 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 3
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.
Christus Santa Rosa Medical Center
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92691 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.
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
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 Clark Paddock's NPI number?
The NPI number for Clark Paddock is 1497784110. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Clark Paddock located?
Clark Paddock practices at 23962 Alicia Pkwy Suite I1, Mission Viejo, CA 92691. The listed phone number is (949) 452-7699.
What is Clark Paddock's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Clark Paddock enrolled in Medicare?
Yes. Clark Paddock 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 Clark Paddock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clark Paddock reassigns Medicare benefits to 4 organizations: Bexar Emergency Physicians, PLLC (San Antonio, TX), Comal Emergency Physicians, PLLC (San Marcos, TX), Victoria Emergency Partners LLC (Gonzales, TX) and Victoria Emergency Associates LLC (Victoria, TX). 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 Clark Paddock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clark Paddock accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Sendero Health Plans, Local Nonprofit list Clark Paddock 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 Clark Paddock affiliated with any hospitals?
According to CMS data, Clark Paddock is affiliated with Christus Santa Rosa Medical Center.
When was this NPI record last updated?
The NPPES record for Clark Paddock was last updated on April 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Clark Stuart Paddock, M.D. · NPI 1497784110
Emergency Medicine physician in Mission Viejo, California. Individual provider, active in the CMS NPPES registry since July 3, 2006.
## Identity
- **NPI:** 1497784110 (Entity type: Individual)
- **Enumerated:** July 3, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A51251 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23962 ALICIA PKWY, SUITE I1, Mission Viejo, CA 92691-3940
- **Phone:** (949) 452-7699
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Bexar Emergency Physicians, PLLC (NPI 1548034994, San Antonio, TX); Comal Emergency Physicians, PLLC (NPI 1588438675, San Marcos, TX); Victoria Emergency Partners LLC (NPI 1164770996, Gonzales, TX); Victoria Emergency Associates LLC (NPI 1407917164, Victoria, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1991
## Record status
- **NPPES last updated:** April 23, 2014
- **Other identifiers:** Medicare UPIN F79437 (CA); Medicare PIN WA51251D (CA); Medicaid 00A512510 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1497784110) · Data from the CMS NPPES public registry.