JOHN RICHARDS FREDERICK MD
NPI 1841347937
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Charlotte, NC
About John Richards Frederick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN RICHARDS FREDERICK MD (NPI 1841347937) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Charlotte, North Carolina, licensed in North Carolina (2016-01623) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Atrium Health Pineville, 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
John Richards Frederick 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 John Frederick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Charlotte, NC 28204
- Reassigned Medicare billing, North Carolina enrollment
- 1,646 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Atrium Health Pineville
Acute Care Hospitals · Charlotte, NCCarolinas Medical Center/Behav Health
Acute Care Hospitals · Charlotte, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28204 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.
CHARLOTTE, NC 28204
CHARLOTTE, NC 28204
CHARLOTTE, NC 28204
CHARLOTTE, NC 28204
CHARLOTTE, NC 28204
CHARLOTTE, NC 28204
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 John Frederick's NPI number?
The NPI number for John Frederick is 1841347937. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is John Frederick located?
John Frederick practices at 1237 Harding Pl Ste 3100, Charlotte, NC 28204. The listed phone number is (704) 373-0212.
What is John Frederick's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is John Frederick enrolled in Medicare?
Yes. John Frederick 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 John Frederick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Frederick reassigns Medicare benefits to Carolinas Physicians Network Inc (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 John Frederick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Frederick 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 4 other insurers list John Frederick 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 John Frederick affiliated with any hospitals?
According to CMS data, John Frederick is affiliated with Atrium Health Pineville and Carolinas Medical Center/Behav Health.
When was this NPI record last updated?
The NPPES record for John Frederick was last updated on July 16, 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.
# John Richards Frederick, MD · NPI 1841347937
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Charlotte, North Carolina. Individual provider, active in the CMS NPPES registry since January 4, 2007.
## Identity
- **NPI:** 1841347937 (Entity type: Individual)
- **Enumerated:** January 4, 2007
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 2016-01623 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1237 HARDING PL, STE 3100, Charlotte, NC 28204
- **Phone:** (704) 373-0212
## 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 Physicians Network Inc (NPI 1205848520, Charlotte, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** July 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1841347937) · Data from the CMS NPPES public registry.