ANN SHUM
NPI 1023662640
Nurse Practitioner - Adult Health in Durham, NC
About Ann Shum NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN SHUM (NPI 1023662640) is an individual adult health provider in Durham, North Carolina, licensed in New York (309186) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of Other (2020).
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
Ann Shum 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
3Medicare enrollment records show Ann Shum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Durham, NC 27710
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 clinicians in this Medicare group
Durham, NC 27705
- Reassigned Medicare billing, North Carolina enrollment
- Also billed through NPI 1376574798 (North Carolina)
- 1,503 clinicians in this Medicare group
Framingham, MA 01701
- Reassigned Medicare billing, Massachusetts enrollment
- 334 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 2
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.
Tufts Medical Center
Acute Care Hospitals · Boston, MADuke University Hospital
Acute Care Hospitals · Durham, NCDuke Regional 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
DURHAM, NC 27710
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 Ann Shum's NPI number?
The NPI number for Ann Shum is 1023662640. It was assigned to this individual provider in the NPPES registry on July 31, 2019.
Where is Ann Shum located?
Ann Shum practices at 40 Duke Medicine Cir, Durham, NC 27710. The listed phone number is (919) 684-1817.
What is Ann Shum's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Ann Shum enrolled in Medicare?
Yes. Ann Shum 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 Ann Shum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Shum reassigns Medicare benefits to 3 organizations: Duke Health Integrated Practice, Inc. (Durham, NC), Duke University Health System, Inc. (Durham, NC) and Pratt Medical Group, Inc (Framingham, MA). 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 Ann Shum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Shum accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Cigna Healthcare list Ann Shum 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 Ann Shum affiliated with any hospitals?
According to CMS data, Ann Shum is affiliated with Tufts Medical Center, Duke University Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Ann Shum was last updated on September 7, 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.
# Ann Shum · NPI 1023662640
Adult Health physician in Durham, North Carolina. Individual provider, active in the CMS NPPES registry since July 31, 2019.
## Identity
- **NPI:** 1023662640 (Entity type: Individual)
- **Enumerated:** July 31, 2019
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 309186 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 40 DUKE MEDICINE CIR, Durham, NC 27710-4000
- **Phone:** (919) 684-1817
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Duke Health Integrated Practice, Inc. (NPI 1205553369, Durham, NC); Duke University Health System, Inc. (NPI 1497912232, Durham, NC); Pratt Medical Group, Inc (NPI 1831539592, Framingham, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1023662640) · Data from the CMS NPPES public registry.