JOSHUA KAMNETZ
NPI 1912392846
Emergency Medicine in La Mesa, CA
About Joshua Kamnetz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSHUA KAMNETZ (NPI 1912392846) is an individual emergency medicine provider in La Mesa, California, licensed in New Jersey (25MA12318600) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health Williston, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Joshua Kamnetz 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
6Medicare enrollment records show Joshua Kamnetz reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 202 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 125 clinicians in this Medicare group
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1902824576 (North Dakota)
- 268 clinicians in this Medicare group
Newport, TN 37821
- Reassigned Medicare billing, Virginia enrollment
- 679 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 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.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Alexius Health Williston
Critical Access Hospitals · Williston, NDSentara Northern Virginia Medical Center
Acute Care Hospitals · Woodbridge, VATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91942 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LA MESA, CA 91942
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 Kamnetz's NPI number?
The NPI number for Joshua Kamnetz is 1912392846. It was assigned to this individual provider in the NPPES registry on March 28, 2015.
Where is Joshua Kamnetz located?
Joshua Kamnetz practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (619) 740-6000.
What is Joshua Kamnetz's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joshua Kamnetz enrolled in Medicare?
Yes. Joshua Kamnetz 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 Kamnetz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Kamnetz reassigns Medicare benefits to 6 organizations: Team Physicians Of Northern California Medical Group Inc (Pleasanton, CA), Tacoma Emergency Care Physicians, PLLC (Tacoma, WA), Mercy Medical Center (Williston, ND), Emergency Coverage, LLC (Newport, TN), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ) and 1 more organization, listed in the Medicare section above. 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 Kamnetz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Kamnetz accept?
Health plans from Blue Cross Blue Shield of North Dakota list Joshua Kamnetz 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.
Is Joshua Kamnetz affiliated with any hospitals?
According to CMS data, Joshua Kamnetz is affiliated with Chi St Alexius Health Williston, Sentara Northern Virginia Medical Center and Tacoma General Allenmore Hospital.
When was this NPI record last updated?
The NPPES record for Joshua Kamnetz was last updated on October 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Joshua Kamnetz · NPI 1912392846
Emergency Medicine physician in La Mesa, California. Individual provider, active in the CMS NPPES registry since March 28, 2015.
## Identity
- **NPI:** 1912392846 (Entity type: Individual)
- **Enumerated:** March 28, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25MA12318600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 5555 GROSSMONT CENTER DR, La Mesa, CA 91942
- **Phone:** (619) 740-6000
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Team Physicians Of Northern California Medical Group Inc (NPI 1649692716, Pleasanton, CA); Tacoma Emergency Care Physicians, PLLC (NPI 1770823791, Tacoma, WA); Mercy Medical Center (NPI 1245397736, Williston, ND); Emergency Coverage, LLC (NPI 1427005008, Newport, TN); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 9, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1912392846) · Data from the CMS NPPES public registry.