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Edit this profileWhere to find John D. Williamson, M.D.
- Charleston location main office
316 Calhoun St, Charleston, SC 29401 - Memphis location
4095 American Way 1, Suite 1, Memphis, TN 38118
About Dr. Williamson
John D. Williamson, M.D. is a healthcare provider in Charleston, SC specializing in family practice. John trained at Medical University of South Carolina College of Medicine, graduating in 2006. John is also listed as specializing in family medicine. Medicare claims data shows John provided 784 services to 523 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, hospital discharge day management, more than 30 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. This provider record is associated with NPI 1043308661.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (843) 402-1000
- Email not available
Practice Locations
316 CALHOUN ST
Charleston, SC 29401
4095 AMERICAN WAY 1 Suite 1
Memphis, TN 38118
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
Procedures Most Often Billed to Medicare
784 services · 523 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
443 | More than most peers in Family Practice |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
184 | More than most peers in Family Practice |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
101 | More often than most peers in Family Practice |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
56 | As often as other peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Charleston 8
Same specialty, same city.
Trained at Medical University of South Carolina College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2006 at Medical University of South Carolina College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John D. Williamson?
John D. Williamson is a family practice in Charleston, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John D. Williamson's address?
John D. Williamson is listed at 316 Calhoun St, Charleston, SC 29401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John D. Williamson?
The number on file is (843) 402-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John D. Williamson?
John D. Williamson's National Provider Identifier is 1043308661. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did John D. Williamson train?
John D. Williamson attended Medical University of South Carolina College of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John D. Williamson have?
John D. Williamson has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does John D. Williamson perform?
According to Medicare billing data, John D. Williamson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John D. Williamson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John D. Williamson. If this is you, claiming it is free.
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