Internal Medicine · Allentown, PA
NPI
1326087362
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
3
Medicare group memberships
Hospitals
4
Hospital affiliations
798 Hausman Rd, Suite 100
Allentown, PA, 18104
Phone (610) 336-8260
Groups this clinician bills Medicare through
Medicare paid, 2024
$142K
2,047 services
Medicare patients, 2024
628
Average age 76
Drug cost, 2024
$835K
7,864 prescriptions
Company payments, 2025
$146
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Michael L Zager was code 99232 (hospital e&m - subsequent), 449 times for 232 patients. In total Michael L Zager billed 2,047 services in 44 codes, and Medicare paid $142K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-03-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 449 | 232 | $57.87 | $26K |
| 99214 Office E&M - Established | Office | 314 | 215 | $79.42 | $25K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 177 | 177 | $121.82 | $22K |
| 99233 Hospital E&M - Subsequent | Facility | 139 | 81 | $85.98 | $12K |
| G2211 Visit 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's | Office | 120 | 102 | $11.57 | $1,388 |
| 99222 Hospital E&M - Initial | Facility | 90 | 89 | $97.25 | $8,752 |
| 99223 Hospital E&M - Initial | Facility | 83 | 83 | $126.96 | $11K |
| G0008 Administration of influenza virus vaccine | Office | 73 | 72 | $30.77 | $2,246 |
| 90662 Vaccine Product | Office | 67 | 66 | $80.93 | $5,423 |
| 83036 Blood Count | Office | 59 | 48 | $9.36 | $552 |
| 90480 Vaccine Administration | Office | 42 | 41 | $41.03 | $1,723 |
| 91320 Vaccine Product | Office | 42 | 41 | $147.57 | $6,198 |
| 99215 Office E&M - Established | Office | 24 | 19 | $116.14 | $2,787 |
| 93000 Electrocardiogram | Office | 23 | 22 | $8.83 | $203 |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 22 | 22 | $17.66 | $388 |
By year: 2022 $152K for 2,481 services; 2023 $154K for 2,442 services; 2024 $142K for 2,047 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83036 Blood Count | 59 | 48 | $9.36 | $552 |
Medicare prescription drug claims, 2024
In 2024, the drug Michael L Zager prescribed most often to Medicare patients was Atorvastatin Calcium, with 387 prescriptions and refills. In total Michael L Zager wrote 7,864 Medicare prescriptions that cost $835K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 387 | 1,007 | 103 | $4,102 |
| Levothyroxine Sodium Generic | 331 | 904 | 90 | $3,312 |
| Amlodipine Besylate Generic | 300 | 814 | 82 | $1,914 |
| Lisinopril Generic | 217 | 589 | 65 | $1,601 |
| Simvastatin Generic | 196 | 578 | 52 | $1,810 |
| Losartan Potassium Generic | 186 | 517 | 56 | $2,202 |
| Oxycodone Hcl Generic | 177 | 177 | 24 | $3,351 |
| Metoprolol Succinate Generic | 176 | 446 | 48 | $3,185 |
| Metformin Hcl Generic | 176 | 482 | 50 | $1,190 |
| Omeprazole Generic | 145 | 332 | 35 | $2,270 |
| Pantoprazole Sodium Generic | 141 | 344 | 38 | $1,681 |
| Rosuvastatin Calcium Generic | 136 | 383 | 41 | $2,346 |
| Alprazolam Generic | 134 | 156 | 36 | $591 |
| Tamsulosin Hcl Generic | 129 | 305 | 30 | $2,346 |
| Hydrochlorothiazide Generic | 129 | 355 | 35 | $583 |
Brand drugs: 1,023 claims; generic drugs: 6,767 claims; opioid claims: 425.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Michael L Zager $146 ($146 in general payments such as food, travel and fees) from 2 companies. The largest payer was Novo Nordisk Inc with $125.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.