npidexNPI registry + Medicare data

CALLA WALTERS, MD

Family Medicine Physician · KNOXVILLE, TN

Individual Active NPI 1659900918

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024131310$40,670$26,471$21,021
202350121$16,246$10,630$8,702

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more62$83$58
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more50$116$85
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes29$73$58
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's27$15$12
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit25$119$119
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes17$159$127
99238Hospital discharge day management, 30 minutes or less16$74$59

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Family Medicine Physician207Q00000X✓67908TN

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 Family Medicine 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.