Dr. Cristina Greulich, MD

NPI: 1144559378
Medicare Patients
1,847
Medicare Billing
$296,010

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 7 445 829 $130,265 $67,790
2022 8 369 856 $132,545 $65,989
2021 11 466 970 $152,175 $76,597
2020 11 567 1,110 $168,680 $85,634
Total Patients
1,847
Total Services
3,765
Medicare Billing
$296,010
Procedure Codes
37

All Medicare Procedures & Services

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

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 107 380 $43,700 $24,172 55.3%
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes Facility 2023 82 155 $27,125 $14,961 55.2%
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes Facility 2023 77 84 $25,200 $11,771 46.7%
99239 Hospital discharge day management, more than 30 minutes Facility 2023 90 100 $19,000 $9,117 48.0%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 46 47 $10,340 $4,842 46.8%
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes Facility 2023 27 47 $2,820 $1,915 67.9%
99238 Hospital discharge day management, 30 minutes or less Facility 2023 16 16 $2,080 $1,013 48.7%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 99 394 $45,310 $23,153 51.1%
99233 Follow-up hospital inpatient care per day, typically 35 minutes Facility 2022 86 249 $43,575 $21,037 48.3%
99223 Initial hospital inpatient care per day, typically 70 minutes Facility 2022 64 71 $21,300 $11,430 53.7%
99239 Hospital discharge day management, more than 30 minutes Facility 2022 56 64 $12,160 $5,453 44.8%
99222 Initial hospital inpatient care per day, typically 50 minutes Facility 2022 18 20 $4,400 $2,245 51.0%
99238 Hospital discharge day management, 30 minutes or less Facility 2022 16 16 $2,080 $950.12 45.7%
99217 Hospital observation care on day of discharge Facility 2022 15 15 $2,100 $868.77 41.4%
99231 Follow-up hospital inpatient care per day, typically 15 minutes Facility 2022 15 27 $1,620 $851.11 52.5%
99232 Subsequent hospital inpatient care, typically 25 minutes per day Facility 2021 104 437 $50,255 $26,182 52.1%
99233 Subsequent hospital inpatient care, typically 35 minutes per day Facility 2021 94 240 $42,000 $20,607 49.1%
99223 Initial hospital inpatient care, typically 70 minutes per day Facility 2021 73 76 $22,800 $12,510 54.9%
99239 Hospital discharge day management, more than 30 minutes Facility 2021 69 77 $14,630 $6,821 46.6%
99222 Initial hospital inpatient care, typically 50 minutes per day Facility 2021 21 22 $4,840 $2,372 49.0%
99220 Hospital observation care, typically 70 minutes Facility 2021 14 14 $4,200 $2,126 50.6%
99217 Hospital observation care on day of discharge Facility 2021 26 26 $3,640 $1,491 41.0%
99238 Hospital discharge day management, 30 minutes or less Facility 2021 22 23 $2,990 $1,383 46.3%
99219 Hospital observation care, typically 50 minutes Facility 2021 11 11 $2,640 $1,145 43.4%
99356 Prolonged inpatient or observation hospital service, first hour Facility 2021 12 14 $2,380 $1,000 42.0%

About Dr. Cristina Greulich, MD

Dr. Cristina Greulich, MD is a Hospitalist healthcare provider based in Royal Oak, Michigan. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 12/17/2009. The National Provider Identifier (NPI) number assigned to this provider is 1144559378.

As a Medicare-enrolled provider, Greulich has provided services to 1,847 Medicare beneficiaries, totaling 3,765 services with total Medicare billing of $296,010. Data is available for 4 years (2020–2023), covering 37 distinct procedure/service records.

Practice Information

  • Specialty Hospitalist
  • Other Specialties Internal Medicine
  • Location Royal Oak, MI
  • Active Since 12/17/2009
  • Last Updated 04/07/2017
  • Taxonomy Code 208M00000X
  • Entity Type Individual
  • NPI Number 1144559378

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.

Hospitalist Doctors in Royal Oak