Physician Profile
Mark JAMES LLOYD London, M.D.
Unclaimed ProfileAbout Dr. London
Based in Chicago, IL, Mark JAMES LLOYD London, M.D. is listed in the NPI registry under general surgery. Mark is also listed as specializing in surgery. According to Medicare claims data, Mark cared for 324 Medicare patients across 346 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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (773) 702-1000
- Email not available
Practice Locations
5841 S MARYLAND AVE MC 5031, DEPT OF SURGERY
Chicago, IL 60637
Conditions Commonly Evaluated or Treated
Within General Surgery 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
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
Procedures Most Often Billed to Medicare
346 services · 324 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Relocation of arm vein with connection to arm artery for hemodialysis | Procedure | 36821 |
54 |
| Creation of artery-vein connection using tube graft for hemodialysis | Procedure | 36830 |
44 |
| Revision of hemodialysis graft | Procedure | 36832 |
36 |
| Insertion of abdominal cavity tube using an endoscope | Procedure | 49324 |
33 |
| Removal of abdominal cavity tube | Procedure | 49422 |
20 |
| Revision of abdominal cavity tube using an endoscope | Procedure | 49325 |
20 |
| Tying or banding of surgically created artery-vein connection | Procedure | 37607 |
19 |
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
12 |
| Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube | Procedure | 36905 |
11 |
| Ultrasound of hemodialysis access | Treatment | 93990 |
63 |
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 general surgeons in Chicago 8
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 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Relocation of arm vein with connection to arm artery for hemodialysis 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Mark JAMES LLOYD London specialize in?
Mark JAMES LLOYD London is a general surgeon in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where is Mark JAMES LLOYD London located?
Mark JAMES LLOYD London is listed at 5841 S Maryland Ave Mc 5031, Dept of Surgery, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark JAMES LLOYD London's phone number?
The number on file is (773) 702-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mark JAMES LLOYD London's NPI number?
Mark JAMES LLOYD London's National Provider Identifier is 1295032258. 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 Mark JAMES LLOYD London train?
Mark JAMES LLOYD London attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark JAMES LLOYD London been practicing?
Mark JAMES LLOYD London has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Mark JAMES LLOYD London do most often?
According to Medicare billing data, Mark JAMES LLOYD London performs procedures including relocation of arm vein with connection to arm artery for hemodialysis, creation of artery-vein connection using tube graft for hemodialysis and revision of hemodialysis graft; provides treatments such as ultrasound of hemodialysis access and complete ultrasound of artery and vein blood flow pre-op assessment on both sides of body for hemodialysis access. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark JAMES LLOYD London confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark JAMES LLOYD London. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.