JAMES N. HORSTMANN MD
NPI 1912919424
Pediatrics - Pediatric Critical Care Medicine in Charlotte, NC
About James N. Horstmann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES N. HORSTMANN MD (NPI 1912919424) is an individual pediatric critical care medicine provider in Charlotte, North Carolina, licensed in North Carolina (2013-02152) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Carolinas Medical Center/behav Health, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 4
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
James N. Horstmann 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 Reassignment
Medicare enrollment records show James Horstmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Charlotte, NC 28207
- Reassigned Medicare billing, North Carolina enrollment
- 2,223 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carolinas Medical Center/Behav Health
Acute Care Hospitals · Charlotte, NCMedicare 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.
CHARLOTTE, NC 28207
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 James Horstmann's NPI number?
The NPI number for James Horstmann is 1912919424. It was assigned to this individual provider in the NPPES registry on August 13, 2006.
Where is James Horstmann located?
James Horstmann practices at 1350 S Kings Dr, Charlotte, NC 28207. The listed phone number is (704) 446-1422.
What is James Horstmann's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is James Horstmann enrolled in Medicare?
Yes. James Horstmann 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 organization bills Medicare for James Horstmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Horstmann reassigns Medicare benefits to Carolinas Medical Center (Charlotte, NC). The 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 James Horstmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Horstmann accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 3 other insurers list James Horstmann 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 James Horstmann affiliated with any hospitals?
According to CMS data, James Horstmann is affiliated with Carolinas Medical Center/Behav Health.
When was this NPI record last updated?
The NPPES record for James Horstmann was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# James N. Horstmann, MD · NPI 1912919424
Pediatric Critical Care Medicine physician in Charlotte, North Carolina. Individual provider, active in the CMS NPPES registry since August 13, 2006.
## Identity
- **NPI:** 1912919424 (Entity type: Individual)
- **Enumerated:** August 13, 2006
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** 2013-02152 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1350 S KINGS DR, Charlotte, NC 28207-2134
- **Phone:** (704) 446-1422
## 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:** Carolinas Medical Center (NPI 1073754131, Charlotte, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** September 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1912919424) · Data from the CMS NPPES public registry.