DR. JUSTIN B JOSEPHSEN M.D.
NPI 1346404191
Pediatrics - Neonatal-Perinatal Medicine in St. Louis, MO
About Dr. Justin B Josephsen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTIN B JOSEPHSEN M.D. (NPI 1346404191) is an individual neonatal-perinatal medicine provider in St. Louis, Missouri, licensed in Missouri (2011010499) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Justin B Josephsen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Justin Josephsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63104
- Reassigned Medicare billing, Illinois and Missouri enrollments
- 39 clinicians in this Medicare group
Saint Louis, MO 63117
- Reassigned Medicare billing, Missouri enrollment
- 741 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.
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.
SAINT LOUIS, MO 63104
SAINT LOUIS, MO 63104
ST.LOUIS, MO 63104
SAINT LOUIS, MO 63104
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 Josephsen's NPI number?
The NPI number for Justin Josephsen is 1346404191. It was assigned to this individual provider in the NPPES registry on July 10, 2008.
Where is Justin Josephsen located?
Justin Josephsen practices at 1465 S Grand Blvd, St. Louis, MO 63104. The listed phone number is (314) 577-5663.
What is Justin Josephsen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Justin Josephsen enrolled in Medicare?
Yes. Justin Josephsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Justin Josephsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Josephsen reassigns Medicare benefits to 2 organizations: Ssm Health Care Group (Saint Louis, MO) and Ssm Health Care St. Louis (Saint Louis, MO). 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 Josephsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Josephsen accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Justin Josephsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Justin Josephsen was last updated on January 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.