DR. JUSTIN SELTZER MD
NPI 1447791843
Emergency Medicine - Medical Toxicology in San Diego, CA
About Dr. Justin Seltzer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTIN SELTZER MD (NPI 1447791843) is an individual medical toxicology provider in San Diego, California, licensed in California (A171355) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of University Of Southern California Keck School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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. Justin Seltzer 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 Reassignments
3Medicare enrollment records show Justin Seltzer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1003934803 (California)
- 1,051 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 221 clinicians in this Medicare group
San Diego, CA 92127
- Reassigned Medicare billing, California enrollment
- 271 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 8
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.
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 Justin Seltzer's NPI number?
The NPI number for Justin Seltzer is 1447791843. It was assigned to this individual provider in the NPPES registry on March 17, 2017.
Where is Justin Seltzer located?
Justin Seltzer practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Justin Seltzer's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.
Is Justin Seltzer enrolled in Medicare?
Yes. Justin Seltzer 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 Justin Seltzer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Seltzer reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Diego, CA), Regents Of The University Of California (San Diego, CA) and Uc San Diego Health Community Group (San Diego, 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 Justin Seltzer'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 Justin Seltzer was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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. Justin Seltzer, MD · NPI 1447791843
Medical Toxicology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 17, 2017.
## Identity
- **NPI:** 1447791843 (Entity type: Individual)
- **Enumerated:** March 17, 2017
- **Primary specialty:** Emergency Medicine - Medical Toxicology · taxonomy 207PT0002X
- **State license:** A171355 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1487772380, San Diego, CA); Regents Of The University Of California (NPI 1780870899, San Diego, CA); Uc San Diego Health Community Group (NPI 1659864247, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** August 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1447791843) · Data from the CMS NPPES public registry.