PROF. DAVID MICHAEL ASHLEY MBBS, FRACP, PHD
NPI 1164944377
Internal Medicine - Hematology & Oncology in Durham, NC
About Prof. David Michael Ashley Mbbs, Fracp, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PROF. DAVID MICHAEL ASHLEY MBBS, FRACP, PHD (NPI 1164944377) is an individual hematology & oncology provider in Durham, North Carolina, licensed in North Carolina (9500790) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Other (1986).
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
Prof. David Michael Ashley Mbbs, Fracp, Phd 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
2Medicare enrollment records show David Ashley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 clinicians in this Medicare group
Durham, NC 27710
- Reassigned Medicare billing, North Carolina enrollment
- 20 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
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.
Duke 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.
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 David Ashley's NPI number?
The NPI number for David Ashley is 1164944377. It was assigned to this individual provider in the NPPES registry on July 10, 2017.
Where is David Ashley located?
David Ashley practices at Department Of Neurosurgery Duke University Ctr, Durham, NC 27710. The listed phone number is (919) 681-4681.
What is David Ashley's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is David Ashley enrolled in Medicare?
Yes. David Ashley 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 David Ashley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Ashley reassigns Medicare benefits to 2 organizations: Duke Health Integrated Practice, Inc (Durham, NC) and Duke University (Durham, NC). 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 David Ashley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Ashley accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina and Ambetter of Tennessee list David Ashley 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 David Ashley affiliated with any hospitals?
According to CMS data, David Ashley is affiliated with Duke University Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for David Ashley was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Prof. David Michael Ashley, MBBS, FRACP, PHD · NPI 1164944377
Hematology & Oncology physician in Durham, North Carolina. Individual provider, active in the CMS NPPES registry since July 10, 2017.
## Identity
- **NPI:** 1164944377 (Entity type: Individual)
- **Enumerated:** July 10, 2017
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 9500790 (North Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** DEPARTMENT OF NEUROSURGERY DUKE UNIVERSITY CTR, Durham, NC 27710-0001
- **Phone:** (919) 681-4681
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Duke Health Integrated Practice, Inc (NPI 1518725936, Durham, NC); Duke University (NPI 1841222395, Durham, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1164944377) · Data from the CMS NPPES public registry.