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BASSING, LEANNM.D. NPI 1871784124 Clinician

Rheumatology · YANKTON, SD

Specialty Rheumatology — from billed Medicare claims
Trained SANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA — medical school, self-reported to CMS
In practice about 19 years since medical school (class of 2007, self-reported to CMS)
Location YANKTON, SD · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 39 codes billed · 30,015 disclosed services (CY2024 — most recent year in data)
Current groups
member of 2 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
SACRED HEART HEALTH SERVICES
2026
YANKTON MEDICAL CLINIC PC
2019–2026

The roster archive begins in 2019, so a span starting at 2019 may reach back further. Membership spans only — no volume is attributed to any group here.

NPPES registry · CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · NPPES record last updated 2020-06

Year: 2024 · 2023 · 2022  · 2021  · 2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The billed-volume positioning, practice focus, and economics behind this provider — computed on the same disclosed Medicare Part B data.

This provider's disclosed Medicare payments across all codes were in CY2024. Unlock to see the figure.

  • Payment, service & beneficiary totals — the disclosed scale, all codes
  • Practice profile — focus & reach — top codes by share of services
  • Office vs. facility setting mix — place-of-service code split
  • Volume over five years — discrete yearly counts, no rate
  • Peer positioning — service volume — percentile among specialty peers, cohort & year disclosed
  • Peer positioning — code breadth — how many codes billed, vs peers

Peer positioning shows billed-volume and code-breadth positions among specialty peers, not measures of care (a provider's true volume position can only be higher, never lower). All figures disclosed Medicare Part B fee-for-service; volumes are personal to this NPI, not attributed to any group.

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Procedures billed to Medicare Part B (2024)

Medicare Part B FFS · CY2024 · as published by CMS
CodeDescription Services Beneficiary-episodes Avg charge Avg Medicare payment
J1602 Injection, golimumab, 1 mg, for intravenous use
J0897 Injection, denosumab, 1 mg
J7050 Infusion, normal saline solution, 250 cc
36415 Insertion of needle into vein for collection of blood sample
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
82565 Blood creatinine level
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
84450 Liver enzyme (sgot), level
84460 Liver enzyme (sgpt), level
82040 Albumin (protein) level
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
96372 Injection of drug or substance under skin or into muscle
84550 Uric acid level, blood
85652 Red blood cell sedimentation rate, to detect inflammation, automated
86140 Measurement c-reactive protein for detection of infection or inflammation
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
73130 X-ray of hand, minimum of 3 views
81001 Manual urinalysis test with examination using microscope, automated
82570 Creatinine level to test for kidney function or muscle injury
84156 Total protein level, urine
85007 Microscopic examination for white blood cells with manual cell count
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test
86431 Rheumatoid factor level
82310 Calcium level, total
20610 Aspiration and/or injection of fluid from large joint
73562 X-ray of knee, 3 views
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
73630 X-ray of foot, minimum of 3 views
77080 Dxa bone density measurement of hip, pelvis, spine
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
G0008 Administration of influenza virus vaccine
20600 Aspiration and/or injection of fluid from small joint
20605 Aspiration and/or injection of fluid from medium joint
90662 Influenza vaccine split virus, preservative free
80053 Blood test, comprehensive group of blood chemicals
84439 Thyroxine (thyroid chemical), free
84443 Blood test, thyroid stimulating hormone (tsh)

These are this provider's own Medicare Part B fee-for-service volumes (CMS public data). CMS suppresses rows with fewer than 11 beneficiaries, so low-volume codes may be missing entirely — absence is not zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average charge and average Medicare payment are weighted by service volume across office and facility settings. Volumes on this page are personal to the NPI and are not attributed to any physician group. See Methods & Sources.