Vanessa A Diaz, MD

Family Medicine

Vanessa A Diaz is a Family Medicine specialist based in Charleston, SC with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(843) 792-1414Charleston, SC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across SC can see Vanessa a Diaz, MD in person in Charleston or via virtual visit — no travel required. She graduated from University of Miami, Lm Miller School of Medicine in 1999 and has 27+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 33% of reporting doctors in South Carolina
  • Virtual visits available — no app or travel required
1 of 372 Family Medicine providers in SCSee all Family Medicine in Charleston27+ years experienceNPI since 2006

Older · 2053dNPPES updated 2020-10-08 · verify NPI on CMS · Verify license at South Carolina Board of Medical Examiners

Contact & Location

Practice Location

171 Ashley Ave, Charleston, SC 29425-0001

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

9.11%

South Carolina avg: 4.6 · US avg: 5.1

Lower than most doctors nationally(+4 pts)

9.11% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

85.4%

South Carolina avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+2.6 pts)

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

Medicare Patients

74

Unique beneficiaries

Standard volume

Prescription Recipients

157

Patients prescribed

Prescriptions Written

2,810

Total claims

Total Medicare drug cost: $359k

Percentile rankings compared against 605 reporting peers in South 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 (-12%)58%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-12%) — less common here

Arthritis
Lower than avg (-3%)46%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

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

Diabetes
Lower than avg (-4%)30%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-4%) — less common here

Anxiety Disorders
Lower than avg (-8%)26%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-8%) — less common here

Mood Disorders
23%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-12%)20%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-12%) — less common here

GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1999

    University of Miami Miller School of Medicine

  2. Board certified · Oct 7, 2020

    Self-reported via NPPES

  3. 27 years in practice

    Experienced

Family MedicineAllopathic & Osteopathic Physicians

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Taxonomy: 207Q00000X

Education & Training

University of Miami, Lm Miller School of Medicine (Class of 1999)

Practice Footprint

Mailing address

Po Box 751461, Charlotte, NC 28275-1461

Differs from practice location

Virtual Family Medicine Care With Vanessa a Diaz

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

Schedule a virtual visit with Vanessa a Diaz for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Charleston 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 Vanessa a Diaz

NPI records show Dr. Diaz as active with telehealth listed in Charleston, SC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (843) 792-1414.

Verified across 4 federal data sources

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

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Claim Profile

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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