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 |
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
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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.
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