DR. ASHLEY MARIE SHERFEY DO
NPI 1851096697
Emergency Medicine in Stockton, CA
About Dr. Ashley Marie Sherfey Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ASHLEY MARIE SHERFEY DO (NPI 1851096697) is an individual emergency medicine provider in Stockton, California, licensed in California (24189) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
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
Dr. Ashley Marie Sherfey Do 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 Ashley Sherfey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Merced, CA 95340
- Reassigned Medicare billing, California enrollment
- 141 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 95204 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.
STOCKTON, CA 95204
STOCKTON, CA 95204
STOCKTON, CA 95204
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 Ashley Sherfey's NPI number?
The NPI number for Ashley Sherfey is 1851096697. It was assigned to this individual provider in the NPPES registry on April 3, 2023.
Where is Ashley Sherfey located?
Ashley Sherfey practices at 1800 N California St, Stockton, CA 95204. The listed phone number is (209) 547-7146.
What is Ashley Sherfey's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ashley Sherfey enrolled in Medicare?
Yes. Ashley Sherfey 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 Ashley Sherfey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Sherfey reassigns Medicare benefits to 2 organizations: Cep America - California (French Camp, CA) and San Joaquin Emergency Medical Associates (Merced, 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 Ashley Sherfey'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 Ashley Sherfey was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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. Ashley Marie Sherfey, DO · NPI 1851096697
Emergency Medicine physician in Stockton, California. Individual provider, active in the CMS NPPES registry since April 3, 2023.
## Identity
- **NPI:** 1851096697 (Entity type: Individual)
- **Enumerated:** April 3, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 24189 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 N CALIFORNIA ST, Stockton, CA 95204-6019
- **Phone:** (209) 547-7146
## 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): Cep America - California (NPI 1467863290, French Camp, CA); San Joaquin Emergency Medical Associates (NPI 1588960413, Merced, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851096697) · Data from the CMS NPPES public registry.