Physician Profile
Unclaimed ProfileAbout LANCASTER
William Purvis Lancaster, M.D. practices surgical oncology in Charleston, SC. William is also listed as specializing in surgery. According to Medicare claims data, William cared for 212 Medicare patients across 256 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Lancaster?
Dr. Lancaster is a surgical oncology in Charleston, SC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “SURGICAL ONCOLOGY”.
NPI registry
What is Dr. Lancaster's address?
Dr. Lancaster is listed at 169 ASHLEY AVE, Charleston, SC 29425. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Lancaster?
The number on file is (843) 792-1414. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lancaster's NPI number?
Dr. Lancaster's National Provider Identifier is 1861787780. 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 Dr. Lancaster train?
Dr. Lancaster attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lancaster been practicing?
Dr. Lancaster has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lancaster perform?
According to Medicare billing data, Dr. Lancaster performs procedures including removal of gallbladder using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lancaster confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lancaster. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (843) 792-1414
- Email not available
Practice Locations
169 ASHLEY AVE
Charleston, SC 29425
Procedures Most Often Billed to Medicare
256 services · 212 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of gallbladder using an endoscope | Procedure | 47562 |
20 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
140 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
82 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 surgical oncology specialists in Charleston 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of gallbladder using an endoscope 8
Providers in SC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.