DARCY FOX MOCK M.D.
NPI 1427324672
Internal Medicine in La Mesa, CA
About Darcy Fox Mock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARCY FOX MOCK M.D. (NPI 1427324672) is an individual internal medicine provider in La Mesa, California, licensed in California (A128177) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
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
Darcy Fox Mock 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 Reassignment
Medicare enrollment records show Darcy Mock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91941 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA MESA, CA 91941
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 Darcy Mock's NPI number?
The NPI number for Darcy Mock is 1427324672. It was assigned to this individual provider in the NPPES registry on March 31, 2012.
Where is Darcy Mock located?
Darcy Mock practices at 3875 Avocado Blvd, La Mesa, CA 91941. The listed phone number is (800) 290-5000.
What is Darcy Mock's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Darcy Mock enrolled in Medicare?
Yes. Darcy Mock 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 Darcy Mock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darcy Mock reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Darcy Mock'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 Darcy Mock was last updated on December 3, 2021. 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.
# Darcy Fox Mock, M.D. · NPI 1427324672
Internal Medicine physician in La Mesa, California. Individual provider, active in the CMS NPPES registry since March 31, 2012.
## Identity
- **NPI:** 1427324672 (Entity type: Individual)
- **Enumerated:** March 31, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A128177 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3875 AVOCADO BLVD, La Mesa, CA 91941-7303
- **Phone:** (800) 290-5000
## 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:** Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** December 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1427324672) · Data from the CMS NPPES public registry.