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Edit this profileAt a glance
- 3800 Reservoir Rd Nw, Washington, DC 20007
About Dr. Walls
Based in Washington, DC, David O. Walls, M.D. is listed in the NPI registry under general surgery. David graduated from Rutgers New Jersey Medical School in 2019. David is also listed as specializing in transplant surgery. Medicare claims data shows David provided 428 services to 129 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and insertion of stent in ureter. NPI 1821478645 identifies this record in the national registry.
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
- (202) 444-2000
- Email not available
Practice Locations
3800 RESERVOIR RD NW
Washington, DC 20007
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
428 services · 129 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of stent in ureter | Procedure | 50605 |
15 | As often as other peers in General Surgery |
| Transplantation of donor kidney | Procedure | 50360 |
15 | As often as other peers in General Surgery |
| Preparation of donor kidney for transplantation | Procedure | 50323 |
15 | As often as other peers in General Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
359 | More than most peers in General Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
24 | As often as other peers in General Surgery |
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 Washington 8
Same specialty, same city.
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2019 at Rutgers New Jersey Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does David O. Walls specialize in?
David O. Walls is a general surgeon in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where is David O. Walls located?
David O. Walls is listed at 3800 Reservoir Rd Nw, Washington, DC 20007. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is David O. Walls's phone number?
The number on file is (202) 444-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for David O. Walls?
David O. Walls's National Provider Identifier is 1821478645. 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 David O. Walls train?
David O. Walls attended Rutgers New Jersey Medical School, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David O. Walls have?
David O. Walls has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does David O. Walls do most often?
According to Medicare billing data, David O. Walls performs procedures including insertion of stent in ureter, transplantation of donor kidney and preparation of donor kidney for transplantation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is David O. Walls's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David O. Walls. If this is you, claiming it is free.
Guide.md
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