GWYNN LONG M.D.
NPI 1114001260
Internal Medicine - Hematology & Oncology in Durham, NC

Active since October 25, 2006PECOS EnrolledAccepts Medicare Assignment
2100 ERWIN RD, DURHAM, NC 27710(919) 620-4467 Get Directions Write a Review

NPPES record last updated: August 18, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gwynn Long M.d. NPPES

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

GWYNN LONG M.D. (NPI 1114001260) is an individual hematology & oncology provider in Durham, North Carolina, licensed in North Carolina (96-01380) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Wake Forest University School Of Medicine (1983).

NPPES Registry Identity

NPI1114001260
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameGWYNN LONGCredential: M.D.
Location Address2100 ERWIN RDDurham, NC 27710-0001
Mailing Address2100 Erwin Rd, Duke University Medical Center - Dumc 3961Durham, NC 27710-0001
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 1983
Enumeration DateOctober 25, 2006
Last NPPES UpdateAugust 18, 2013
NPI 1114001260 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in NC · 96-01380
Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

2100 ERWIN RD, Durham, NC 27710

Other Identifiers 3

Medicare ID-Type UnspecifiedF17992
Medicare ID-Type Unspecified8910681NC
Medicare ID-Type Unspecified2230021ANC

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

Gwynn Long 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 ID8325233471
PECOS Enrollment IDI20101115000611
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 5

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
143 services82 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.
66 services43 patients
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.
33 services15 patients
Collection of stem cells for transplantation 38206
Stem cells for transplantation are typically collected from your bloodstream in a process known as apheresis. It involves circulating your blood through a machine that separates out stem cells, returning the rest of the blood to your body. It's a non-surgical, outpatient procedure.
20 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 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 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
$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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Cyclophosphamide; oral, 25 mg J8530
Treatment-Treatment - Miscellaneous · category RX000N
3 suppliers25 claims1,644 services$0.60 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
3 suppliers18 claims18 services$18.98 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Radiology (Radiation Oncology)
2100 ERWIN RD
DURHAM, NC 27710
Internal Medicine (Cardiovascular Disease)
2100 ERWIN RD
DURHAM, NC 27710
Colon & Rectal Surgery
2100 ERWIN RD
DURHAM, NC 27710
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2100 ERWIN RD
DURHAM, NC 27710
Transplant Surgery
2100 ERWIN RD
DURHAM, NC 27710
Ophthalmology
2100 ERWIN RD
DURHAM, NC 27710
Dermatology
2100 ERWIN RD
DURHAM, NC 27710
Surgery (Surgical Oncology)
2100 ERWIN RD
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 Gwynn Long's NPI number?

The NPI number for Gwynn Long is 1114001260. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Gwynn Long located?

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

What is Gwynn Long's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Gwynn Long enrolled in Medicare?

Yes. Gwynn Long 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 Gwynn Long 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 Gwynn Long 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 Gwynn Long affiliated with any hospitals?

According to CMS data, Gwynn Long is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Gwynn Long was last updated on August 18, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.