Dr. Helen Lantz, MD

NPI: 1639146301
Medicare Patients
993
Medicare Billing
$98,472

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 11 259 283 $426,775 $24,956
2022 10 247 283 $437,143 $24,821
2021 8 222 252 $349,227 $22,096
2020 9 265 287 $384,232 $26,599
Total Patients
993
Total Services
1,105
Medicare Billing
$98,472
Procedure Codes
38

All Medicare Procedures & Services

38 procedure records from CMS Medicare Utilization — Page 1 of 2

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
45380 Biopsy of large bowel using a flexible endoscope Facility 2023 63 63 $177,156 $6,287 3.5%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2023 24 24 $72,072 $4,333 6.0%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2023 44 46 $94,806 $3,566 3.8%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2023 15 15 $38,505 $2,387 6.2%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 19 19 $8,968 $1,749 19.5%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 17 29 $7,076 $1,632 23.1%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 25 27 $5,724 $1,539 26.9%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 12 12 $5,976 $1,298 21.7%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 12 13 $3,354 $1,019 30.4%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 17 24 $4,272 $837.84 19.6%
43450 Dilation of esophagus Facility 2023 11 11 $8,866 $306.77 3.5%
45380 Biopsy of large bowel using a flexible endoscope Facility 2022 68 70 $191,100 $6,985 3.7%
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare Facility 2022 23 24 $69,984 $4,206 6.0%
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope Facility 2022 44 50 $100,050 $3,893 3.9%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 24 47 $11,092 $2,394 21.6%
G0105 Colorectal cancer screening; colonoscopy on individual at high risk Facility 2022 12 12 $29,904 $1,951 6.5%
99223 Initial hospital inpatient care per day, typically 70 minutes Facility 2022 11 11 $6,215 $1,555 25.0%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 23 27 $5,535 $1,492 27.0%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 12 12 $5,796 $1,024 17.7%
99221 Initial hospital inpatient care per day, typically 30 minutes Facility 2022 13 13 $4,173 $870.13 20.9%
43450 Dilation of esophagus Facility 2022 17 17 $13,294 $451.06 3.4%
45380 Biopsy of the large bowel using an endoscope (colonoscopy) Facility 2021 66 67 $177,483 $7,739 4.4%
43239 Biopsy of the esophagus, stomach, and/or upper small bowel using an endoscope Facility 2021 44 47 $91,321 $3,572 3.9%
45385 Removal of polyps or growths in large bowel using an endoscope (colonoscopy) using a mechanical snare Facility 2021 14 14 $39,620 $2,609 6.6%
99232 Subsequent hospital inpatient care, typically 25 minutes per day Facility 2021 27 45 $10,305 $2,371 23.0%

About Dr. Helen Lantz, MD

Dr. Helen Lantz, MD is a Gastroenterology healthcare provider based in Milwaukee, Wisconsin. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/02/2006. The National Provider Identifier (NPI) number assigned to this provider is 1639146301.

As a Medicare-enrolled provider, Lantz has provided services to 993 Medicare beneficiaries, totaling 1,105 services with total Medicare billing of $98,472. Data is available for 4 years (2020–2023), covering 38 distinct procedure/service records.

Practice Information

  • Specialty Gastroenterology
  • Location Milwaukee, WI
  • Active Since 03/02/2006
  • Last Updated 01/26/2026
  • Taxonomy Code 207RG0100X
  • Entity Type Individual
  • NPI Number 1639146301

Data Sources

Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.

Gastroenterology Doctors in Milwaukee