Hayley Barnett Walter, M.D.

Rheumatology Internal Medicine

Hayley Barnett Walter is a Rheumatology Internal Medicine specialist based in Charleston, SC with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(843) 792-9941Charleston, SC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Hayley Barnett Walter, M.D. practices as part of a group rheumatologist practice in Charleston, SC. A Mercer University School of Medicine graduate since 2014, she brings 12+ years of experience. She regularly sees Medicare patients with high cholesterol, arthritis, and hypertension (per CMS claims data).

At a glance

  • Prescribes opioids less than 27% of reporting doctors in South Carolina
  • Virtual visits available — no app or travel required
1 of 33 Internal Medicine providers in SCSee all Internal Medicine in Charleston12+ years experienceNPI since 2014

Older · 1222dNPPES updated 2023-01-18 · verify NPI on CMS · Verify license at South Carolina Board of Medical Examiners

Contact & Location

Practice Location

169 Ashley Avenue H268 Msc 332, Charleston, SC 29424-9617

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

3.09%

South Carolina avg: 4.6 · US avg: 5.1

Higher than most doctors nationally(-2 pts)

3.09% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

110

Unique beneficiaries

Standard volume

Prescription Recipients

164

Patients prescribed

Prescriptions Written

518

Total claims

Total Medicare drug cost: $469k

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 High Cholesterol, Arthritis, and Hypertension.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

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

Arthritis
Higher than avg (+26%)75%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+26%) — a focus area for this doctor

Hypertension
Higher than avg (+2%)72%

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

US avg: 70.2%

↑ More patients than average (+2%) — a focus area for this doctor

Anxiety Disorders
Lower than avg (-2%)32%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

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

Depression
Lower than avg (-5%)27%

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

US avg: 31.8%

↓ Fewer patients than average (-5%) — less common here

Mood Disorders
27%

Conditions affecting emotional state, including depression and bipolar disorder

Diabetes
Lower than avg (-8%)26%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

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

Chronic Kidney Disease
Lower than avg (-7%)23%

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

US avg: 29.6%

↓ Fewer patients than average (-7%) — less common here

GeneralBehavioralNational avg

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

Industry Payment Transparency

$211 received from industry

3 transactions reported in 2024 ·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 2024, attributed to Hayley Barnett Walter's NPI.

Patient Reviews

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2014

    Mercer University School of Medicine

  2. Board certified · Jan 17, 2023

    Self-reported via NPPES

  3. 12 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.

Taxonomy: 207RR0500X

Education & Training

Mercer University School of Medicine (Class of 2014)

Practice Footprint

Mailing address

Po Box 751461, Charlotte, NC 28275-1461

Differs from practice location

Virtual Internal Medicine Care With Hayley Barnett Walter

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

Schedule a virtual visit with Hayley Barnett Walter for cholesterol management, arthritis follow-ups, blood pressure monitoring — 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 Hayley Barnett Walter

Dr. Walter is listed as active in the NPI registry with telehealth listed in Charleston, SC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (843) 792-9941.

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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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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