THOMAS WILLIAM MCKIM COWAN MD
NPI 1669934410
Radiology - Diagnostic Radiology in Asheville, NC

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
509 BILTMORE AVE, ASHEVILLE, NC 28801(828) 778-9178 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 3, 2025, May 28, 2025, Apr 7, 2025 and 1 more (4 updates tracked since 2019).

About Thomas William Mckim Cowan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS WILLIAM MCKIM COWAN MD (NPI 1669934410) is an individual diagnostic radiology provider in Asheville, North Carolina, licensed in North Carolina (2024-02551) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, and maintains a secondary practice location in Winston Salem.

NPPES Registry Identity

NPI1669934410
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameTHOMAS WILLIAM MCKIM COWANCredential: MD
Location Address509 BILTMORE AVEAsheville, NC 28801-4601
Mailing AddressPo Box 654481Dallas, TX 75265-4481 · (866) 860-8755 · Fax (302) 467-1822
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 2, 2019
Last NPPES UpdateJuly 3, 20254 updates tracked since enumeration
NPPES CertifiedJuly 3, 2025
✔ NPI 1669934410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in NC · 2024-02551
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
509 BILTMORE AVE, Asheville, NC 28801

Secondary Practice Location 1

Location 1Medical Center BlvdWinston Salem, NC 27157-0001 · Phone (336) 716-2011

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

Thomas William Mckim Cowan 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.

PECOS PAC ID1052644986
PECOS Enrollment IDI20241106001648
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Thomas Cowan reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
534 BILTMORE AVE
Asheville, NC 28801
  • Reassigned Medicare billing, North Carolina enrollment
  • 84 clinicians in this Medicare group
Diagnostic Radiology
262 LEROY GEORGE DR
Clyde, NC 28721
  • Reassigned Medicare billing, North Carolina enrollment
  • 456 clinicians in this Medicare group
Family Medicine
2651 MORGANTON BLVD SW
Lenoir, NC 28645
  • Reassigned Medicare billing, North Carolina enrollment
  • 313 clinicians in this Medicare group
Family Medicine
336 DEERFIELD ROAD
Boone, NC 28607
  • Reassigned Medicare billing, North Carolina enrollment
  • 207 clinicians in this Medicare group
Radiology
265 EXECUTIVE PARK BLVD
Winston Salem, NC 27103
  • Reassigned Medicare billing, North Carolina enrollment
  • 171 clinicians in this Medicare group
Multi-Specialty
1303 GREENSBORO STREET EXT
Lexington, NC 27295
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,003 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 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Mission Hospital And Asheville Surgery Ce

Acute Care Hospitals · Asheville, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340002
Location509 Biltmore AveAsheville, NC 28801 · Buncombe County
Emergency services Birthing friendly

Margaret R Pardee Memorial Hospital

Acute Care Hospitals · Hendersonville, NC
5/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number340017
Location800 N Justice StHendersonville, NC 28791 · Henderson County
Emergency services Birthing friendly

Adventhealth Hendersonville

Acute Care Hospitals · Hendersonville, NC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340023
Location100 Hospital DriveHendersonville, NC 28792 · Henderson County
Emergency services Birthing friendly

Watauga Medical Center

Acute Care Hospitals · Boone, NC
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number340051
Location336 Deerfield RoadBoone, NC 28607 · Watauga County
Emergency services Birthing friendly

St Lukes Hospital

Critical Access Hospitals · Columbus, NC
OwnershipVoluntary non-profit - Private
CMS Certification Number341322
Location101 Hospital DriveColumbus, NC 28722 · Polk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$67.72 typical visit price
range $17.21 – $134.61
Typical copayment $16.93 (range $4.30 – $33.65)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine (Hospice and Palliative Medicine)
509 BILTMORE AVE
ASHEVILLE, NC 28801
Pathology (Anatomic Pathology & Clinical Pathology)
509 BILTMORE AVE
ASHEVILLE, NC 28801
Nurse Anesthetist, Certified Registered
509 BILTMORE AVE
ASHEVILLE, NC 28801
Registered Nurse (Orthopedic)
509 BILTMORE AVE
ASHEVILLE, NC 28801
Internal Medicine
509 BILTMORE AVE
ASHEVILLE, NC 28801
Nurse Anesthetist, Certified Registered
509 BILTMORE AVE
ASHEVILLE, NC 28801
Internal Medicine
509 BILTMORE AVE, ASHEVILLE HOSPITALIST GROUP
ASHEVILLE, NC 28801
Pharmacist (Pharmacotherapy)
509 BILTMORE AVE, DEPARTMENT OF PHARMACY-MISSION HOSPITALS
ASHEVILLE, NC 28801

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 Thomas Cowan's NPI number?

The NPI number for Thomas Cowan is 1669934410. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Thomas Cowan located?

Thomas Cowan practices at 509 Biltmore Ave, Asheville, NC 28801. The listed phone number is (828) 778-9178.

What is Thomas Cowan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Thomas Cowan enrolled in Medicare?

Yes. Thomas Cowan 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 Thomas Cowan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Cowan reassigns Medicare benefits to 6 organizations: ARA Health Specialists PA (Asheville, NC), Dlp Western Carolina Physician Practices LLC (Clyde, NC), Caldwell Memorial Hospital, Inc. (Lenoir, NC), Appalachian Regional Medical Associates, Inc. (Boone, NC), Wake Forest Baptist Imaging, LLC (Winston Salem, NC) and 1 more organization, listed in the Medicare section above. 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 Thomas Cowan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Cowan accept?

Health plans from Blue Cross and Blue Shield of NC, Cigna Healthcare, Oscar Health, Oscar Health Plan of North Carolina, Inc and Oscar Insurance Company list Thomas Cowan 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 Thomas Cowan affiliated with any hospitals?

According to CMS data, Thomas Cowan is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, Margaret R Pardee Memorial Hospital, Adventhealth Hendersonville, Watauga Medical Center and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Cowan was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.