Dr. John W. Sonfield, MD
- Medicare services, 2024
- 1,949
- Medicare patients, 2024
- 777
- Part D claims, 2024
- 691
- Hospital affiliations
- 4
- Industry payments
- $13,033
- Practice address
- 555 E Cheves St Box 8700, Florence, SC 29506
- Practice phone
- Call (843) 777-2900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sonfield'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. John W. Sonfield is a general surgeon in Florence, South Carolina
Dr. Sonfield practices at McLeod Regional Medical Center Florence in Florence, South Carolina, part of McLeod Health.
Dr. Sonfield's NPI, 1306810718, was assigned on February 14, 2006. Dr. Sonfield graduated from Medical University of South Carolina College of Medicine in 2000. Dr. Sonfield holds South Carolina license 24650.
- NPI
- 1306810718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961431028
- NPI enumeration date
- February 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 777-2900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Sonfield practices at McLeod Regional Medical Center Florence in Florence, South Carolina
Dr. Sonfield's primary practice is McLeod Regional Medical Center Florence, at 555 E Cheves St Box 8700, Florence, SC 29506 in Florence County. The practice phone is (843) 777-2900.
- McLeod Regional Medical Center Florence555 E Cheves St Box 8700, Florence, SC 29506 · Florence CountyPhone(843) 777-2900
Source: Dmand AI Affiliation Data
Dr. John W. Sonfield is affiliated with 8 sites of care and 3 medical groups
Dr. Sonfield's primary practice is McLeod Regional Medical Center Florence in Florence, South Carolina, part of McLeod Health. Dr. Sonfield is also affiliated with McLeod Health Clarendon. The medical group on file is McLeod Physician Associates. Dmand AI also links Dr. Sonfield to 2 more hospitals, 2 group practices and clinics, 2 home health agencies and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John W. Sonfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sonfield practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLeod Regional Medical Center Florence | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. Sonfield is one of 506 general surgeons in South Carolina
Surgery is Dr. Sonfield's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Sonfield is licensed in South Carolina.
Specialties and state licenses
- Surgery, South CarolinaPrimary
General surgeons near Dr. Sonfield
Counts of general surgeons 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. John W. Sonfield billed Medicare for 1,949 services in 2024
CMS data shows 1,949 Medicare services from Dr. Sonfield across 22 procedure codes in 2024, for 777 Medicare patients. Medicare paid $133,512 for them.
Dr. Sonfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8422024: 1,7485%
- Surgery
- 2023: 1082024: 18773%
- Imaging
- 2023: 02024: 14
- Other services
- 2023: 362024: 0100%
Where Dr. Sonfield's Medicare services took place, 2024
- In an office92347%
- In a facility1,02653%
Dr. Sonfield compared with the South Carolina median for general surgeons, 2024
- Dr. Sonfield
- South Carolina median
- Medicare services
- 1,949vs 2657.4 times
- Medicare patients
- 777vs 1784.4 times
- Part D claims
- 561vs 5410.4 times
Medians across 500 general surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Sonfield'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. Sonfield and other general surgeons in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Sonfield treated 777 Medicare patients in 2024, average age 72
CMS counts 777 Medicare patients who saw Dr. Sonfield in 2024. The largest group is 65 to 74, with 328 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sonfield's median patient age at 70, with 58% women.
Dr. Sonfield's Medicare patients by age, 2024
Dr. Sonfield's Medicare patients by sex, 2024
- Women42354%
- Men35446%
Chronic conditions among Dr. Sonfield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes50%
- Chronic kidney disease46%
- Anxiety34%
- Heart failure34%
- Ischemic heart disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sonfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Sonfield wrote 691 Medicare Part D claims in 2024
In 2024, Dr. Sonfield wrote 691 Medicare Part D claims for 340 patients. 97% of them were for generic drugs. CMS names the drug for 561 of them, across 12 drugs with 11 or more claims each, at $3,229 in total drug cost. In 2023, CMS named 482 claims across 13 drugs.
Dr. Sonfield's Part D claims by kind of drug, 2024
- Generic672 claims97%
- Brand-name19 claims3%
Dr. Sonfield'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.
Drug classes CMS tracks in Dr. Sonfield's Part D claims, 2024
- Opioids44%307 of 691 claims
- Antibiotics16%109 of 691 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4822024: 56116%
Drugs named by CMS: 12 in 2024, 13 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. John W. Sonfield ranks in the 91st percentile for hernia repair (minimally invasive) in Medicare
Dr. Sonfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of hernia repair (minimally invasive) by Dr. Sonfield, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Sonfield ranks in Medicare procedure volume
- Removal of tissue
- 86th percentile105 procedures
- Mastectomy
- 86th percentile30 procedures
- Hernia repair (minimally invasive)
- 91st percentile23 procedures
- Melanoma (skin cancer) excision
- 72nd percentile17 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 45th percentile14 procedures
- Hernia repair - groin (open)
- 89th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John W. Sonfield received $13,033 in industry payments from 2016 to 2025
CMS Open Payments shows 129 general payments to Dr. Sonfield from 44 drug and device companies from 2016 to 2025. Education make up the largest share, 65% of the total. Intuitive Surgical, Inc. paid the most, $9,213.
General payments to Dr. Sonfield by program year, 2016 to 2025
General payments to Dr. Sonfield by kind, 2016 to 2025
- Education$8,50065%
- Food and beverage$4,17532%
- Travel and lodging$3583%
Companies that paid Dr. Sonfield 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. John W. Sonfield graduated from Medical University of South Carolina College of Medicine
Dr. Sonfield graduated from Medical University of South Carolina College of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Sonfield'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (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. John W. Sonfield
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. John W. Sonfield's NPI number?
Dr. John W. Sonfield's NPI number is 1306810718. It was assigned on February 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Sonfield?
Dr. John W. Sonfield is a general surgeon in Florence, South Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John W. Sonfield practice?
Dr. Sonfield practices at 555 E Cheves St Box 8700, Florence, SC 29506. Dr. Sonfield's primary practice is McLeod Regional Medical Center Florence in Florence, South Carolina, part of McLeod Health. Dmand AI also links Dr. Sonfield to 2 hospitals, 2 group practices and clinics, 2 home health agencies and 2 medical groups.
What is Dr. John W. Sonfield's office phone number?
The practice phone on file for Dr. Sonfield is (843) 777-2900.
What is Dr. John W. Sonfield's medical license number?
Dr. Sonfield holds South Carolina license 24650.
Which hospitals is Dr. John W. Sonfield affiliated with?
Dr. Sonfield practices at McLeod Regional Medical Center Florence in Florence, South Carolina. Dr. Sonfield is also affiliated with McLeod Health Clarendon. Dmand AI links Dr. Sonfield to 2 more hospitals.
What medical group is Dr. John W. Sonfield part of?
Dr. Sonfield is linked to McLeod Physician Associates. Dmand AI links Dr. Sonfield to 2 more medical groups.
Does Dr. John W. Sonfield accept Medicare?
Yes. CMS data shows Dr. Sonfield billed Medicare for 1,949 services in 2024, and Dr. Sonfield accepts Medicare assignment.
How many Medicare patients does Dr. John W. Sonfield see?
CMS counts 777 Medicare patients who saw Dr. Sonfield in 2024, with an average age of 72.
What services does Dr. John W. Sonfield bill to Medicare?
In 2024, Dr. Sonfield's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and hospital inpatient care (99231).
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Where did Dr. John W. Sonfield go to medical school?
Dr. Sonfield graduated from Medical University of South Carolina College of Medicine in 2000.
What drugs does Dr. John W. Sonfield prescribe most?
In 2024 Medicare Part D data, Dr. Sonfield's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ibuprofen and Tramadol HCl.
Has Dr. John W. Sonfield received payments from drug or device companies?
CMS Open Payments shows $13,033 in general payments to Dr. Sonfield from 44 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John W. Sonfield been practicing?
Dr. Sonfield graduated from medical school in 2000, 26 years ago.
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