NELSON JEN AN CHAO MD
NPI 1215951587
Internal Medicine - Medical Oncology in Durham, NC

Active since July 27, 2006PECOS EnrolledAccepts Medicare Assignment
4101 N ROXBORO ST, DURHAM, NC 27704(919) 684-8111 Get Directions Write a Review

NPPES record last updated: September 19, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Nelson Jen An Chao Md NPPES

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

NELSON JEN AN CHAO MD (NPI 1215951587) is an individual medical oncology provider in Durham, North Carolina, licensed in North Carolina (96-01574) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Yale University School Of Medicine (1981).

NPPES Registry Identity

NPI1215951587
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameNELSON JEN AN CHAOCredential: MD
Location Address4101 N ROXBORO STDurham, NC 27704-2121
Mailing Address4101 N Roxboro StDurham, NC 27704-2121 · (919) 684-8111
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1981
Enumeration DateJuly 27, 2006
Last NPPES UpdateSeptember 19, 2008
NPI 1215951587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in NC · 96-01574
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

4101 N ROXBORO ST, Durham, NC 27704

Other Identifiers 3

Medicaid8922051NC
Other22051NC · Bcbs
Medicaid2232478NC

Accepted Insurance

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

Nelson Jen An Chao 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 ID5698791028
PECOS Enrollment IDI20051014000807
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.

Areas of Expertise CMS Part B claims 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
128 services17 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
42 services21 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
11 services11 patients

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 27704 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
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
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.

Internal Medicine (Geriatric Medicine)
4101 N ROXBORO ST
DURHAM, NC 27704
Anesthesiology
4101 N ROXBORO ST
DURHAM, NC 27704
Psychologist (Clinical)
4101 N ROXBORO ST
DURHAM, NC 27704
Urology
4101 N ROXBORO ST
DURHAM, NC 27704
Physician Assistant
4101 N ROXBORO ST
DURHAM, NC 27704
Nurse Practitioner
4101 N ROXBORO ST
DURHAM, NC 27704
Nurse Practitioner
4101 N ROXBORO ST
DURHAM, NC 27704
Pediatrics (Neonatal-Perinatal Medicine)
4101 N ROXBORO ST
DURHAM, NC 27704

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 Nelson Chao's NPI number?

The NPI number for Nelson Chao is 1215951587. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Nelson Chao located?

Nelson Chao practices at 4101 N Roxboro St, Durham, NC 27704. The listed phone number is (919) 684-8111.

What is Nelson Chao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Nelson Chao enrolled in Medicare?

Yes. Nelson Chao 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.

What insurance does Nelson Chao accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC list Nelson Chao 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 Nelson Chao affiliated with any hospitals?

According to CMS data, Nelson Chao is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Nelson Chao was last updated on September 19, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.