DR. NICHOLAS DONALD KLEMEN M.D.
NPI 1730474412
Surgery - Surgical Oncology in Durham, NC

Active since June 10, 2011PECOS EnrolledAccepts Medicare Assignment
DUKE UNIVERSITY MEDICAL CTR, BOX 3654, DURHAM, NC 27710(812) 345-1341 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Nicholas Donald Klemen M.d. NPPES

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

DR. NICHOLAS DONALD KLEMEN M.D. (NPI 1730474412) is an individual surgical oncology provider in Durham, North Carolina, licensed in North Carolina (2025-04237) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Indiana University School Of Medicine (2011).

NPPES Registry Identity

NPI1730474412
Entity TypeIndividualMale
Primary Taxonomy2086X0206X
Provider Legal NameDR. NICHOLAS DONALD KLEMENCredential: M.D.
Location AddressDUKE UNIVERSITY MEDICAL CTR, BOX 3654Durham, NC 27710-0001
Mailing Address203 Research Dr, Msrb1, Room 401Durham, NC 27710-3022 · (812) 345-1341
Sole ProprietorYes
Medical School CMSIndiana University School Of MedicineGraduated 2011
Enumeration DateJune 10, 2011
Last NPPES UpdateJanuary 8, 2026
NPPES CertifiedJanuary 8, 2026
NPI 1730474412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License Licensed in NC · 2025-04237
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
DUKE UNIVERSITY MEDICAL CTR, Durham, NC 27710

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nicholas Donald Klemen M.d. 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 ID941580377
PECOS Enrollment IDI20260325004032
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.

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, NC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number340030
Location2100 Erwin RdDurham, NC 27705 · Durham County
Emergency services Birthing friendly

Physician 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.

New Patient
$165.09 typical visit price
range $54.12 – $165.09
Typical copayment $41.27 (range $13.53 – $41.27)
Most-billed visit code 99205
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.

Psychologist (Clinical)
DUKE UNIVERSITY MEDICAL CTR, DEPARTMENT OF PSYCHIATRY
DURHAM, NC 27710
Pediatrics
DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710
Internal Medicine (Hematology & Oncology)
DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710
Emergency Medicine
DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710
Internal Medicine
DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710
Pediatrics (Pediatric Cardiology)
DUKE UNIVERSITY MEDICAL CTR, BOX 3951
DURHAM, NC 27710
Internal Medicine (Rheumatology)
DUKE UNIVERSITY MEDICAL CTR
DURHAM, NC 27710
Neurological Surgery
DUKE UNIVERSITY MEDICAL CTR
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 Nicholas Klemen's NPI number?

The NPI number for Nicholas Klemen is 1730474412. It was assigned to this individual provider in the NPPES registry on June 10, 2011.

Where is Nicholas Klemen located?

Nicholas Klemen practices at Duke University Medical Ctr Box 3654, Durham, NC 27710. The listed phone number is (812) 345-1341.

What is Nicholas Klemen's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Nicholas Klemen enrolled in Medicare?

Yes. Nicholas Klemen 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.

Is Nicholas Klemen affiliated with any hospitals?

According to CMS data, Nicholas Klemen is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Klemen was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.