JOHNNY LARSEN DO
NPI 1417976341
Emergency Medicine in Lakewood, NJ
About Johnny Larsen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHNNY LARSEN DO (NPI 1417976341) is an individual emergency medicine provider in Lakewood, New Jersey, licensed in New Jersey (25MB05391100) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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)
Johnny Larsen Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Johnny Larsen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
West Orange, NJ 07052
- Reassigned Medicare billing, New Jersey enrollment
- 757 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 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 08701 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.
LAKEWOOD, NJ 08701
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 Johnny Larsen's NPI number?
The NPI number for Johnny Larsen is 1417976341. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Johnny Larsen located?
Johnny Larsen practices at 600 River Ave Kimball Medical Center, Lakewood, NJ 08701. The listed phone number is (732) 363-1900.
What is Johnny Larsen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Johnny Larsen enrolled in Medicare?
Yes. Johnny Larsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Johnny Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johnny Larsen reassigns Medicare benefits to 3 organizations: Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ), Barnabas Health Medical Group, PC (West Orange, NJ) and Rwjbh Observation Associates LLC (Livingston, NJ). 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 Johnny Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Johnny Larsen accept?
Health plans from Oscar Health list Johnny Larsen 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 Johnny Larsen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Johnny Larsen, DO · NPI 1417976341
Emergency Medicine physician in Lakewood, New Jersey. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1417976341 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25MB05391100 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 RIVER AVE, KIMBALL MEDICAL CENTER, Lakewood, NJ 08701-5237
- **Phone:** (732) 363-1900
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); Barnabas Health Medical Group, PC (NPI 1447206420, West Orange, NJ); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN E66614 (NJ); Medicare ID-Type Unspecified 640211 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1417976341) · Data from the CMS NPPES public registry.