DR. JOSHUA MICHAEL IAN DAVIDSON M.D., M.P.H.
NPI 1144343146
Allergy & Immunology in Redondo Beach, CA
About Dr. Joshua Michael Ian Davidson M.d., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA MICHAEL IAN DAVIDSON M.D., M.P.H. (NPI 1144343146) is an individual allergy & immunology provider in Redondo Beach, California, licensed in California (A88990) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Joshua Michael Ian Davidson M.d., M.p.h. 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 Joshua Davidson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Irvine, CA 92617
- Reassigned Medicare billing, California enrollment
- 118 clinicians in this Medicare group
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 341 clinicians in this Medicare group
Miami, FL 33131
- Reassigned Medicare billing, Minnesota enrollment
- 2 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 2
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.
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.
REDONDO BEACH, CA 90277
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 Joshua Davidson's NPI number?
The NPI number for Joshua Davidson is 1144343146. It was assigned to this individual provider in the NPPES registry on April 6, 2007. The provider is also known as Dr. Joshua M Davidson MD.
Where is Joshua Davidson located?
Joshua Davidson practices at 502 Torrance Blvd, Redondo Beach, CA 90277. The listed phone number is (310) 792-8393.
What is Joshua Davidson's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Joshua Davidson enrolled in Medicare?
Yes. Joshua Davidson 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 Joshua Davidson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Davidson reassigns Medicare benefits to 4 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Confermed Of California PC (Irvine, CA), Monica Perlman MD Inc. (La Jolla, CA) and Curex Medical Services, PA (Miami, FL). 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 Joshua Davidson'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 Joshua Davidson was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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. Joshua Michael Ian Davidson, M.D., M.P.H. · NPI 1144343146
Allergy & Immunology physician in Redondo Beach, California. Individual provider, active in the CMS NPPES registry since April 6, 2007.
## Identity
- **NPI:** 1144343146 (Entity type: Individual)
- **Enumerated:** April 6, 2007
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** A88990 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 502 TORRANCE BLVD, Redondo Beach, CA 90277-3413
- **Phone:** (310) 792-8393
## 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): Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Confermed Of California PC (NPI 1316584709, Irvine, CA); Monica Perlman MD Inc. (NPI 1134309305, La Jolla, CA); Curex Medical Services, PA (NPI 1255092540, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** September 17, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1144343146) · Data from the CMS NPPES public registry.