Carlos Manuel Decastro, M.D.

Hematology & Oncology

Internal Medicine

Carlos Manuel Decastro is a Hematology & Oncology specialist based in Durham, NC with over 41 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(919) 620-4467Durham, NC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Carlos Manuel Decastro, M.D. has been part of the Durham medical community since 2006 in group practice. Trained at University of Texas Southwestern Medical School at Dallas (class of 1985), he has been practicing for over 41 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).

1 of 95 Internal Medicine providers in NCSee all Internal Medicine in Durham41+ years experienceNPI since 2006

Older · 4666dNPPES updated 2013-08-13 · verify NPI on CMS · Verify license at North Carolina Medical Board

Contact & Location

Practice Location

Duke University Medical Ctr, Durham, NC 27710-0001

CMS Clinical Data

How Does This Doctor Compare?

Generic Rx

↑ Higher = better

61.7%

North Carolina avg: 83.1 · US avg: 82.8

Lower than most doctors nationally(-21.1 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

157

Unique beneficiaries

Standard volume

Prescription Recipients

75

Patients prescribed

Prescriptions Written

415

Total claims

Total Medicare drug cost: $2.57M

Percentile rankings compared against 1,349 reporting peers in North Carolina.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Lower than avg (-2%)68%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-2%) — less common here

Arthritis
Lower than avg (-6%)43%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-6%) — less common here

Chronic Kidney Disease
Higher than avg (+1%)31%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+1%) — a focus area for this doctor

Ischemic Heart Disease
Lower than avg (-3%)29%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-3%) — less common here

Diabetes
Lower than avg (-6%)28%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-6%) — less common here

Anxiety Disorders
Lower than avg (-6%)28%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-6%) — less common here

Heart Failure
Higher than avg (+4%)26%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+4%) — a focus area for this doctor

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$18.0k received from industry

15 transactions reported in 2024 ·High tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Carlos Manuel Decastro's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1985

    University of Texas Southwestern Medical Center

  2. 41 years in practice

    Senior practitioner

Internal MedicineHematology & Oncology in DurhamAllopathic & Osteopathic Physicians

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.

Taxonomy: 207RH0003X

Education & Training

University of Texas Southwestern Medical School at Dallas (Class of 1985)

Practice Footprint

Mailing address

Duke University Medical Ctr Dumc 3872, Durham, NC 27710-0001

Differs from practice location

Virtual Hematology & Oncology Care With Carlos Manuel Decastro

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Carlos Manuel Decastro for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Durham required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Carlos Manuel Decastro

Dr. Decastro is listed as active in the NPI registry with telehealth listed in Durham, NC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (919) 620-4467.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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