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Edit this profileAt a glance
- 721 Glenwood Dr, Suite 553, Chattanooga, TN 37404
About Dr. Gwin
Based in Chattanooga, TN, John L. Gwin, M.D. is listed in the NPI registry under general surgery. John graduated from Yale University School of Medicine in 1984. John is also listed as specializing in specialist and surgery. Medicare claims data shows John provided 1,182 services to 435 patients. The services billed most often include removal of skin and tissue, 20.0 sq cm or less, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and management of oxygen chamber therapy. NPI 1861486839 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
- (423) 495-2640
- Email not available
Practice Locations
721 GLENWOOD DR SUITE 553
Chattanooga, TN 37404
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
1,182 services · 435 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
315 | More often than most peers in General Surgery |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
75 | As often as other peers in General Surgery |
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
29 | Less often than most peers in General Surgery |
| Removal of bone, 20.0 sq cm or less | Procedure | 11044 |
17 | Less often than most peers in General Surgery |
| Management of oxygen chamber therapy | Treatment | 99183 |
190 | More often than most peers in General Surgery |
| Removal of tissue from wound, 20.0 sq cm or less | Treatment | 97597 |
61 | As often as other peers in General Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
264 | More than most peers in General Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
64 | More often than most peers in General Surgery |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
47 | More often than most peers in General Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
39 | More often than most 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.
Other general surgeons at this location 4
Same specialty, same street address — most likely the same department or group.
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 Chattanooga 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of skin and tissue, 20.0 sq cm or less 6
Providers in TN who bill this service to Medicare most often.
Common questions
What is John L. Gwin's specialty?
John L. Gwin is a general surgeon in Chattanooga, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where can I find John L. Gwin?
John L. Gwin is listed at 721 Glenwood Dr Suite 553, Chattanooga, TN 37404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John L. Gwin?
The number on file is (423) 495-2640. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John L. Gwin?
John L. Gwin's National Provider Identifier is 1861486839. 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
What is John L. Gwin's education?
John L. Gwin attended Yale University School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John L. Gwin have?
John L. Gwin has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What is John L. Gwin known for?
According to Medicare billing data, John L. Gwin performs procedures including removal of skin and tissue, 20.0 sq cm or less, removal of muscle and/or tissue, 20.0 sq cm or less and removal of skin and tissue, each additional 20.0 sq cm or less; provides treatments such as management of oxygen chamber therapy and removal of tissue from wound, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John L. Gwin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John L. Gwin. If this is you, claiming it is free.
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