DR. JOHN L GWIN JR. M.D.
NPI 1861486839
Surgery in Chattanooga, TN

Q: What is John Gwin's NPI number?

The NPI number for John Gwin is 1861486839. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Q: What is John Gwin's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for John Gwin was last updated on March 5, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 07, 2005PECOS EnrolledAccepts Medicare Assignment

94.7/100

CMS Quality Rating

721 GLENWOOD DR, SUITE 553, CHATTANOOGA, TN 37404(423) 495-2640(423) 495-2644 Get Directions Write a Review

NPPES record last updated: March 5, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. John L Gwin Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN L GWIN JR. M.D. (NPI 1861486839) is an individual surgery provider in Chattanooga, Tennessee, licensed in Tennessee (24584) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Chi Memorial Hospital- Georgia, and is a graduate of Yale University School Of Medicine (1984).

NPPES Registry Identity

NPI1861486839

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. JOHN L GWIN JR.Credential: M.D.

Location Address721 GLENWOOD DR, SUITE 553Chattanooga, TN 37404-1106

Mailing Address721 Glenwood Dr, Suite 553Chattanooga, TN 37404-1106 · (423) 495-2640 · Fax (423) 495-2644

Phone(423) 495-2640

Fax(423) 495-2644

Sole ProprietorYes

Medical School CMSYale University School Of MedicineGraduated 1984

Enumeration DateSeptember 7, 2005

Last NPPES UpdateMarch 5, 2010

✔ NPI 1861486839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in TN · 24584

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedSpecialistTaxonomy 174400000X · License MD24584 (TN)

721 GLENWOOD DR, Chattanooga, TN 37404

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Other Identifiers 4

Other4088202TN · Blue Cross Blue Shield

Medicare UPINF63533

Medicaid3076991TN

Medicare PIN3076991TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John L Gwin Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254391279

PECOS Enrollment IDI20041014000384

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

315 services87 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

264 services82 patients

Management of oxygen chamber therapy 99183

Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.

190 services12 patients

Removal of muscle and/or tissue, 20.0 sq cm or less 11043

This procedure involves the surgical removal of a specified area (20.0 sq cm or less) of muscle and/or tissue. It's typically done to treat conditions like tumors, infections, or injuries. Local or general anesthesia ensures comfort. Recovery time varies.

75 services37 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

64 services43 patients

Removal of tissue from wound, 20.0 sq cm or less 97597

This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.

61 services20 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

47 services21 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

39 services27 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

29 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

21 services21 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

19 services18 patients

Removal of bone, 20.0 sq cm or less 11044

The procedure involves the surgical removal of a section of bone, up to 20.0 square cm in size. This may be necessary due to various reasons such as injury, infection, or to treat a disease. The process aims to alleviate pain, enhance mobility, or prevent the spread of disease.

17 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

14 services13 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chi Memorial Hospital- Georgia

Acute Care Hospitals · Fort Oglethorpe, GA

OwnershipVoluntary non-profit - Private

CMS Certification Number110236

Location100 Gross Crescent CircleFort Oglethorpe, GA 30742 · Catoosa County

Emergency services

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number440091

Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$66.01 typical visit price

range $16.72 – $131.41

Typical copayment $16.50 (range $4.18 – $32.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.7/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

89.41

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

2 suppliers13 claims280 services$4.93 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425

DME-Orthotic Devices · category DF010N

1 supplier14 claims270 services$3.40 avg. paid by Medicare

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

4 suppliers22 claims1,360 services$0.37 avg. paid by Medicare

Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196

DME-Medical/Surgical Supplies · category DA023N

3 suppliers16 claims483 services$6.73 avg. paid by Medicare

Specialty absorptive dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., without adhesive border, each dressing A6252

DME-Medical/Surgical Supplies · category DA023N

2 suppliers26 claims729 services$3.09 avg. paid by Medicare

Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6402

DME-Medical/Surgical Supplies · category DA023N

4 suppliers25 claims1,560 services$0.11 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HYTHAM A KADRIE MD

Psychiatry & Neurology (Neurology)

721 GLENWOOD DR, STE 467-WEST
CHATTANOOGA, TN 37404

Hamilton County (423) 698-3423

GI CONSULTANTS, PC

Internal Medicine (Gastroenterology)

721 GLENWOOD DR, STE. W552
CHATTANOOGA, TN 37404

Hamilton County (423) 629-6258

DR. CHARLES A PORTERA SR. MD

Obstetrics & Gynecology (Gynecologic Oncology)

721 GLENWOOD DR, SUITE 560W
CHATTANOOGA, TN 37404

Hamilton County (423) 622-5500

MRS. STACY LYNN PARK FNP

Nurse Practitioner (Family)

721 GLENWOOD DR, SUITE 462A
CHATTANOOGA, TN 37404

Hamilton County (423) 624-2611

CANNON & CANNON MEDICAL, PLLC

Internal Medicine

721 GLENWOOD DR, SUITE W-462
CHATTANOOGA, TN 37404

Hamilton County (423) 624-2611

CHATTANOOGA SURGICAL ONCOLOGY AND ASSOCIATES, PLLC

Surgery (Surgical Oncology)

721 GLENWOOD DR, SUITE 471W
CHATTANOOGA, TN 37404

Hamilton County (423) 622-2494

ROBERT M. BARNETT, III, MD

Surgery

721 GLENWOOD DR, SUITE W460
CHATTANOOGA, TN 37404

Hamilton County (423) 495-2600

WALTER B ROSE M.D.

Specialist

721 GLENWOOD DR, SUITE 550-WEST MEMORIAL MEDICAL BUILDING
CHATTANOOGA, TN 37404

Hamilton County (423) 698-8692

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Gwin's NPI number?

The NPI number for John Gwin is 1861486839. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Where is John Gwin located?

John Gwin practices at 721 Glenwood Dr Suite 553, Chattanooga, TN 37404. The listed phone number is (423) 495-2640.

What is John Gwin's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is John Gwin enrolled in Medicare?

Yes. John Gwin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Gwin accept?

Health plans from Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and Ambetter of Alabama and 2 other insurers list John Gwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Gwin affiliated with any hospitals?

According to CMS data, John Gwin is affiliated with Chi Memorial Hospital- Georgia and Memorial Healthcare System, Inc.

When was this NPI record last updated?

The NPPES record for John Gwin was last updated on March 5, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.