npidexNPI registry + Medicare data

JOHN MARC SHELLENBERGER, MD

Surgical Critical Care Physician · TULSA, OK

Individual Active NPI 1548600992

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024281517$223,083$75,589$59,642
2023284613$292,089$100,675$80,161
2022264563$317,519$110,083$88,034

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes135$75$60
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes86$123$94
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes59$47$37
99238Hospital discharge day management, 30 minutes or less33$77$62
99291Critical care, first 30-74 minutes32$207$167
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes32$166$126
99221Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes12$79$63
47562Removal of gallbladder using an endoscope12$609$480

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Surgical Critical Care Physician2086S0102X✓34961OK
Surgery Physician208600000X2013022036MO

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.