npidexNPI registry + Medicare data

MARCUM COLLINS, M.D.

Rheumatology Physician · KNOXVILLE, TN

Individual Active NPI 1154732436

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024195421$126,970$42,039$30,951
2023203403$123,990$39,593$28,060
2022209426$93,465$44,750$30,981

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more243$93$65
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more85$119$92
99205New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more29$173$134
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's13$16$13

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Rheumatology Physician207RR0500X✓MD.36162AL
Student in an Organized Health Care Education/Training Program390200000X——

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 Rheumatology Physician providers in Tennessee

See all Rheumatology Physician providers in Tennessee →

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