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DR. SUNDHAR RAMALINGAM M.D.
NPI 1366768632
Internal Medicine - Medical Oncology in Durham, NC

Active since April 12, 2010PECOS EnrolledAccepts Medicare Assignment
2301 ERWIN RD, DURHAM, NC 27705(919) 244-7237 Get Directions Write a Review

NPPES record last updated: September 16, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sundhar Ramalingam M.d. NPPES

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

DR. SUNDHAR RAMALINGAM M.D. (NPI 1366768632) is an individual medical oncology provider in Durham, North Carolina, licensed in North Carolina (2014-02023) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (2010).

NPPES Registry Identity

NPI1366768632
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. SUNDHAR RAMALINGAMCredential: M.D.
Location Address2301 ERWIN RDDurham, NC 27705-4699
Mailing Address216 Ashville Ave, Suite 20Cary, NC 27518-6679
Phone(919) 244-7237
Sole ProprietorYes
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2010
Enumeration DateApril 12, 2010
Last NPPES UpdateSeptember 16, 2016
✔ NPI 1366768632 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 · 2014-02023
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.
2301 ERWIN RD, Durham, NC 27705
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.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

Dr. Sundhar Ramalingam 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 ID9032405949
PECOS Enrollment IDI20160901000385
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 Sundhar Ramalingam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Duke Health Integrated Practice, Inc.
0.2 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.

Areas of Expertise CMS Part B claims 6

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 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.
1,113 services257 patients
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.
298 services180 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.
223 services68 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.
94 services94 patients
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.
83 services48 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.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Duke Regional Hospital

Acute Care Hospitals · Durham, NC
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number340155
Location3643 N Roxboro StreetDurham, NC 27704 · Durham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27705 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 3

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier23 claims23 services$18.43 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier23 claims23 services$35.77 avg. paid by Medicare
Injection, fluorouracil, 500 mg J9190
Treatment-Chemotherapy · category RH002N
1 supplier23 claims268 services$1.62 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.

DR. HONGYUN JUNE ZHU M.D.
Radiology (Diagnostic Radiology)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
WILBUR RIGEL DATTILO M.D.
Psychiatry & Neurology (Psychiatry)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
DR. SHARON MCCARTNEY M.D.
Anesthesiology
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 681-3811
DR. JOEL GARRY MORASH M.D.
Student in an Organized Health Care Education/Training Program
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
REBEKAH DOIRON
Nurse Practitioner (Family)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
DR. YURIY ZEYLIKMAN M.D.
Psychiatry & Neurology (Neurology)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
ELIZABETH HOPE WEISSLER
Surgery (Vascular Surgery)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
DR. ANGEL GUERRERO MD
Emergency Medicine
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111

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 Sundhar Ramalingam's NPI number?

The NPI number for Sundhar Ramalingam is 1366768632. It was assigned to this individual provider in the NPPES registry on April 12, 2010.

Where is Sundhar Ramalingam located?

Sundhar Ramalingam practices at 2301 Erwin Rd, Durham, NC 27705. The listed phone number is (919) 244-7237.

What is Sundhar Ramalingam's specialty?

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

Is Sundhar Ramalingam enrolled in Medicare?

Yes. Sundhar Ramalingam 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 organization bills Medicare for Sundhar Ramalingam's services?

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

What insurance does Sundhar Ramalingam accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 1 other insurer list Sundhar Ramalingam 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 Sundhar Ramalingam affiliated with any hospitals?

According to CMS data, Sundhar Ramalingam is affiliated with Duke University Hospital and Duke Regional Hospital.

When was this NPI record last updated?

The NPPES record for Sundhar Ramalingam was last updated on September 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.