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NANCY KNUDSEN M.D.
NPI 1649340472
Anesthesiology in Durham, NC

Active since November 09, 2006PECOS Enrolled
2100 ERWIN RD, DURHAM, NC 27710(919) 620-4467 Get Directions Write a Review

NPPES record last updated: February 18, 2009. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Nancy Knudsen M.d. NPPES

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

NANCY KNUDSEN M.D. (NPI 1649340472) is an individual anesthesiology provider in Durham, North Carolina, licensed in North Carolina (95-01301) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649340472
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameNANCY KNUDSENCredential: M.D.
Location Address2100 ERWIN RDDurham, NC 27710-0001
Mailing Address2100 Erwin Rd, Duke University Medical Center - Dumc 3094Durham, NC 27710-0001 · (919) 684-8111
Phone(919) 620-4467
Sole ProprietorNo
Enumeration DateNovember 9, 2006
Last NPPES UpdateFebruary 18, 2009
✔ NPI 1649340472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NC · 95-01301
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 9501301 (NC)
2100 ERWIN RD, Durham, NC 27710
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Other Identifiers 3

Medicare ID-Type Unspecified2228545NC
Medicare ID-Type Unspecified8949785NC
Medicare ID-Type UnspecifiedG30663

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nancy Knudsen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Nancy Knudsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Duke Health Integrated Practice, Inc.
0.4 mi
General Practice
40 DUKE MEDICINE CIR
Durham, NC 27710
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,671 clinicians in this Medicare group
NPI 1205553369 (919) 620-4855

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

NICOLAS DEL RIO AESCHLIMANN M.D.
Anesthesiology
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 684-8111
MR. GILBERT HOLMES CIOCCI
Pediatrics
2100 ERWIN RD, DUKE UNIVERSITY MEDICAL CENTER - DUMC 3350
DURHAM, NC 27710
Durham County (919) 668-1100
VINOD PRASAD
Pediatrics (Pediatric Critical Care Medicine)
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 620-4467
VIRGINIA KRAUS
Internal Medicine (Rheumatology)
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 620-4467
DR. SCOTT COUSINS MD
Ophthalmology
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 684-8111
CINDY BLACK CRNA
Nurse Anesthetist, Certified Registered
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 620-4467
DONALD MOEDE
Nurse Anesthetist, Certified Registered
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 620-4467
THOMAS D'AMICO M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2100 ERWIN RD
DURHAM, NC 27710
Durham County (919) 620-4467

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 Nancy Knudsen's NPI number?

The NPI number for Nancy Knudsen is 1649340472. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Where is Nancy Knudsen located?

Nancy Knudsen practices at 2100 Erwin Rd, Durham, NC 27710. The listed phone number is (919) 620-4467.

What is Nancy Knudsen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Nancy Knudsen enrolled in Medicare?

Yes. Nancy Knudsen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nancy Knudsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Knudsen 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 Nancy Knudsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nancy Knudsen was last updated on February 18, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.