npidexNPI registry + Medicare data

JOHN GWIN, M.D.

Surgery Physician · CHATTANOOGA, TN

Individual Active NPI 1861486839

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20242011,423$435,491$107,572$83,678
20232401,553$516,639$134,505$105,476
20222461,512$494,635$143,026$110,885

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
11042Removal of skin and tissue, 20.0 sq cm or less315$55$43
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more264$61$48
99183Management of oxygen chamber therapy190$97$76
11043Removal of muscle and/or tissue, 20.0 sq cm or less75$140$112
99212Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more64$33$25
97597Removal of tissue from wound, 20.0 sq cm or less61$33$26
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes47$46$37
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more39$90$70
11045Removal of skin and tissue, each additional 20.0 sq cm or less29$23$18
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more21$76$61
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more19$84$45
11044Removal of bone, 20.0 sq cm or less17$199$159

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Surgery Physician208600000X✓24584TN
Specialist174400000XMD24584TN

Medicare participation

Enrolled in Medicare

CMS lists this provider as eligible to order and refer under Medicare. They billed Medicare Part B in 2024.

Enrolment status from public CMS files — not a guarantee of coverage for any particular patient or plan. We hold no commercial-insurance network data; confirm with the provider and your insurer before an appointment.

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

Other Surgery Physician providers in Tennessee

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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.