npidexNPI registry + Medicare data

GREGORY GRIMBERG, MD

Surgery Physician · MASON CITY, IA

Individual Active NPI 1104245307

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20241351,349$449,561$109,408$85,685
2023146885$484,379$123,879$97,516
2022171880$370,285$113,420$89,825

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99215Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more109$133$100
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes109$72$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's95$15$12
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope76$89$71
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes66$45$36
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes46$159$124
91040Study of esophageal sensation by balloon distension46$44$35
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes41$109$87
91035Monitoring and recording of esophageal function through a capsule attached to the esophagus wall33$72$55
91010Study of esophagus to assess movement29$58$45
99205New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more27$166$116
43281Repair of hernia of muscle at esophagus and stomach using an endoscope21$1,344$1,071

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Surgery Physician208600000X✓MD-47527IA
Surgery Physician208600000XD86982MD

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.