MITCHELL HORWITZ
NPI 1710040589
Internal Medicine - Infectious Disease in Durham, NC
About Mitchell Horwitz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MITCHELL HORWITZ (NPI 1710040589) is an individual infectious disease provider in Durham, North Carolina and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Rush Medical College Of Rush University (1992).
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 and accepts Medicare assignment
Mitchell Horwitz 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 Mitchell Horwitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Durham, NC 27710
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27710 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.
DURHAM, NC 27710
DURHAM, NC 27710
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 Mitchell Horwitz's NPI number?
The NPI number for Mitchell Horwitz is 1710040589. It was assigned to this individual provider in the NPPES registry on December 19, 2006.
Where is Mitchell Horwitz located?
Mitchell Horwitz practices at 2100 Erwin Rd, Durham, NC 27710. The listed phone number is (919) 620-4467.
What is Mitchell Horwitz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Mitchell Horwitz enrolled in Medicare?
Yes. Mitchell Horwitz 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 Mitchell Horwitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Horwitz reassigns Medicare benefits to Duke Health Integrated Practice, Inc. (Durham, 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 Mitchell Horwitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mitchell Horwitz 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 1 other insurer list Mitchell Horwitz 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 Mitchell Horwitz affiliated with any hospitals?
According to CMS data, Mitchell Horwitz is affiliated with Duke University Hospital.
When was this NPI record last updated?
The NPPES record for Mitchell Horwitz was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mitchell Horwitz · NPI 1710040589
Infectious Disease physician in Durham, North Carolina. Individual provider, active in the CMS NPPES registry since December 19, 2006.
## Identity
- **NPI:** 1710040589 (Entity type: Individual)
- **Enumerated:** December 19, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Sole proprietor:** No
## Practice location
- **Address:** 2100 ERWIN RD, Durham, NC 27710-0001
- **Phone:** (919) 620-4467
## 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:** Duke Health Integrated Practice, Inc. (NPI 1205553369, Durham, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1992
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710040589) · Data from the CMS NPPES public registry.