Dr. Hayley Barnett Walter, MD
- Medicare services, 2024
- 300
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 849
- Hospital affiliations
- 5
- Industry payments
- $1,118
- Practice address
- 171 Ashley Ave, Charleston, SC 29425
- Practice phone
- Call (843) 792-1414
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC University Hospital
Charleston, South Carolina
Find Dr. Walter's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Hayley Barnett Walter is a rheumatologist in Charleston, South Carolina
Dr. Walter practices at MUSC University Hospital in Charleston, South Carolina.
Dr. Walter's NPI, 1083032593, was assigned on April 1, 2014. Dr. Walter graduated from Mercer University School of Medicine in 2014. Dr. Walter holds South Carolina license 51175.
- NPI
- 1083032593NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163723636
- NPI enumeration date
- April 1, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (843) 792-1414
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hayley Barnett Walter practices at MUSC University Hospital in Charleston, South Carolina
Dr. Walter's primary practice is MUSC University Hospital, at 171 Ashley Ave, Charleston, SC 29425 in Charleston County. The practice phone is (843) 792-1414.
- MUSC University Hospital171 Ashley Ave, Charleston, SC 29425 · Charleston CountyPhone(843) 792-1414
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hayley Barnett Walter is affiliated with 7 sites of care and 1 medical group
Dr. Walter's primary practice is MUSC University Hospital in Charleston, South Carolina. Dr. Walter is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Community Physicians. Dmand AI also links Dr. Walter to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Hayley Barnett Walter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walter practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC University Hospital | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hayley Barnett Walter is one of 112 rheumatologists in South Carolina
Rheumatology is Dr. Walter's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Dr. Walter's licenses on file in 2 states: South Carolina and Colorado.
Specialties and state licenses
- Rheumatology, South CarolinaPrimary
- Internal medicine, Colorado
Rheumatologists near Dr. Walter
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hayley Barnett Walter billed Medicare for 300 services in 2024
CMS data shows 300 Medicare services from Dr. Walter across 5 procedure codes in 2024, for 114 Medicare patients. Medicare paid $20,899 for them. Every service was in an office.
Dr. Walter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2422024: 28217%
- Other services
- 2023: 02024: 18
Dr. Walter compared with the South Carolina median for rheumatologists, 2024
- Dr. Walter
- South Carolina median
- Medicare services
- 300vs 2,86090% below
- Medicare patients
- 114vs 29862% below
- Part D claims
- 637vs 1,14744% below
Medians across 115 rheumatologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Walter's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walter and other rheumatologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hayley Barnett Walter treated 114 Medicare patients in 2024, average age 70
CMS counts 114 Medicare patients who saw Dr. Walter in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walter's median patient age at 50, with 82% women.
Dr. Walter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walter's Medicare patients by sex, 2024
- Women8575%
- Men2925%
Chronic conditions among Dr. Walter's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Anxiety31%
- Mood disorders31%
- Depression27%
- Osteoporosis25%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women82%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hayley Barnett Walter wrote 849 Medicare Part D claims in 2024
In 2024, Dr. Walter wrote 849 Medicare Part D claims for 141 patients. 71% of them were for generic drugs. CMS names the drug for 637 of them, across 20 drugs with 11 or more claims each, at $912,659 in total drug cost. In 2023, CMS named 356 claims across 12 drugs.
Dr. Walter's Part D claims by kind of drug, 2024
- Generic602 claims71%
- Brand-name221 claims26%
- Other26 claims3%
Dr. Walter's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3562024: 63779%
Drugs named by CMS: 20 in 2024, 12 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Hayley Barnett Walter offers telehealth to Medicare patients
Dr. Walter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Walter as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Hayley Barnett Walter received $1,118 in industry payments from 2016 to 2025
CMS Open Payments shows 21 general payments to Dr. Walter from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Eli Lilly and Company paid the most, $459.
General payments to Dr. Walter by program year, 2016 to 2025
General payments to Dr. Walter by kind, 2016 to 2025
- Food and beverage$1,03392%
- Gifts$858%
Companies that paid Dr. Walter the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hayley Barnett Walter graduated from Mercer University School of Medicine
Dr. Walter graduated from Mercer University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hayley Barnett Walter's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hayley Barnett Walter
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Hayley Barnett Walter's NPI number?
Dr. Hayley Barnett Walter's NPI number is 1083032593. It was assigned on April 1, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Hayley Barnett Walter?
Dr. Hayley Barnett Walter is a rheumatologist in Charleston, South Carolina. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Hayley Barnett Walter practice?
Dr. Walter practices at 171 Ashley Ave, Charleston, SC 29425. Dr. Walter's primary practice is MUSC University Hospital in Charleston, South Carolina. Dmand AI also links Dr. Walter to 4 hospitals and 1 group practice or clinic.
What is Dr. Hayley Barnett Walter's office phone number?
The practice phone on file for Dr. Walter is (843) 792-1414.
What is Dr. Hayley Barnett Walter's medical license number?
Dr. Walter holds South Carolina license 51175, one of the licenses on file in 2 states.
Which states has Dr. Hayley Barnett Walter been licensed in?
Dmand AI has state licenses on file for Dr. Walter in South Carolina and Colorado.
Which hospitals is Dr. Hayley Barnett Walter affiliated with?
Dr. Walter is affiliated with MUSC Health University Medical Center. Dmand AI links Dr. Walter to 4 more hospitals.
What medical group is Dr. Hayley Barnett Walter part of?
Dr. Walter is linked to MUSC Community Physicians.
Does Dr. Hayley Barnett Walter accept Medicare?
Yes. CMS data shows Dr. Walter billed Medicare for 300 services in 2024, and Dr. Walter accepts Medicare assignment.
Does Dr. Hayley Barnett Walter offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Walter as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Hayley Barnett Walter see?
CMS counts 114 Medicare patients who saw Dr. Walter in 2024, with an average age of 70.
What services does Dr. Hayley Barnett Walter bill to Medicare?
In 2024, Dr. Walter's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Hayley Barnett Walter go to medical school?
Dr. Walter graduated from Mercer University School of Medicine in 2014.
What drugs does Dr. Hayley Barnett Walter prescribe most?
In 2024 Medicare Part D data, Dr. Walter's most prescribed drugs by claims were Prednisone, Methotrexate and Hydroxychloroquine Sulfate.
Has Dr. Hayley Barnett Walter received payments from drug or device companies?
CMS Open Payments shows $1,118 in general payments to Dr. Walter from 8 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Hayley Barnett Walter been practicing?
Dr. Walter graduated from medical school in 2014, 12 years ago.
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