Clay Martin Crosby, M.D.

Internal Medicine

Clay Martin Crosby is an Internal Medicine specialist based in Piedmont, SC with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(864) 859-0740Piedmont, SC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Clay Martin Crosby, M.D. specializes in internal medicine, serving patients in Piedmont, SC in group practice. He graduated from Medical University of South Carolina College of Medicine in 2014 and has 12+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

1 of 284 Internal Medicine providers in SCSee all Internal Medicine in Piedmont12+ years experienceNPI since 2014

Older · 791dNPPES updated 2024-03-23 · verify NPI on CMS · Verify license at South Carolina Board of Medical Examiners

Contact & Location

Practice Location

1115 Wren School Rd, Piedmont, SC 29673-8033

Fax: (864) 859-9008
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

71

Unique beneficiaries

Standard volume

Prescription Recipients

108

Patients prescribed

Prescriptions Written

1,520

Total claims

Total Medicare drug cost: $120k

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
75%

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

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Arthritis
42%

Joint inflammation causing pain, swelling, and stiffness

Chronic Kidney Disease
27%

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

Diabetes
25%

A condition where the body cannot properly regulate blood sugar levels

Anxiety Disorders
25%

Excessive worry or fear that interferes with daily life

Ischemic Heart Disease
21%

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

GeneralBehavioralNational avg

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

Industry Payment Transparency

$89 received from industry

7 transactions reported in 2018 ·Low 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 2018, attributed to Clay Martin Crosby'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 · 2014

    Medical University of South Carolina College of Medicine

  2. Board certified · Mar 22, 2024

    Self-reported via NPPES

  3. 12 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

Medical University of South Carolina College of Medicine (Class of 2014)

Practice Footprint

Mailing address

300 E Mcbee Ave Fl 4, Greenville, SC 29601-2842

Differs from practice location

Virtual Internal Medicine Care With Clay Martin Crosby

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

Schedule a virtual visit with Clay Martin Crosby for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Piedmont 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 Clay Martin Crosby

NPI records show Dr. Crosby as active with telehealth listed in Piedmont, SC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (864) 859-0740.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · 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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