npidexNPI registry + Medicare data

SHANNON O'MAHAR, MD

Hematology & Oncology Physician · MADISON, WI

Individual Active NPI 1366569899

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024491103,230$8,731,258$3,098,489$2,462,913
2023482110,049$7,154,073$2,535,272$2,015,795
2022468113,925$8,229,002$2,906,908$2,312,759

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj28,260$49$39
J9271Injection, pembrolizumab, 1 mg11,400$56$45
J1756Injection, iron sucrose, 1 mg3,700$0$0
J1100Injection, dexamethasone sodium phosphate, 1 mg779$0$0
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count661$8$8
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more639$84$60
36415Insertion of needle into vein for collection of blood sample622$9$9
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more383$120$87
80053Blood test, comprehensive group of blood chemicals353$10$10
J2469Injection, palonosetron hcl, 25 mcg320$1$1
J2405Injection, ondansetron hydrochloride, per 1 mg276$0$0
96413Administration of chemotherapy into vein, 1 hour or less207$120$93

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Hematology & Oncology Physician207RH0003X✓52434-020WI

Medicare eligibility

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

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