JOSEFINE ANNA WALLACE MD
NPI 1750083408
Hospitalist in San Diego, CA
About Josefine Anna Wallace Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEFINE ANNA WALLACE MD (NPI 1750083408) is an individual hospitalist provider in San Diego, California, licensed in California (A206444) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in La Jolla, and is a graduate of University Of Washington School Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Josefine Anna Wallace 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 Josefine Wallace reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 159 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 92103 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Josefine Wallace's NPI number?
The NPI number for Josefine Wallace is 1750083408. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Josefine Wallace located?
Josefine Wallace practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Josefine Wallace's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Josefine Wallace enrolled in Medicare?
Yes. Josefine Wallace 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 Josefine Wallace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Josefine Wallace reassigns Medicare benefits to 24 On Physicians Of California, PC (Porterville, 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 Josefine Wallace'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 Josefine Wallace was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.
# Josefine Anna Wallace, MD · NPI 1750083408
Hospitalist physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 20, 2023.
## Identity
- **NPI:** 1750083408 (Entity type: Individual)
- **Enumerated:** March 20, 2023
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A206444 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273 · **Fax:** (888) 539-8781
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 24 On Physicians Of California, PC (NPI 1730570565, Porterville, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** September 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750083408) · Data from the CMS NPPES public registry.