Physician Assistant · Saint Louis, MO
NPI
1447748967
Since 2018
Specialty
Physician Assistant
Code 363A00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
12855 N 40 Dr Ste 375
Saint Louis, MO, 63141
Phone (314) 567-6071
Groups this clinician bills Medicare through
Medicare paid, 2024
$118K
5,973 services
Medicare patients, 2024
822
Average age 76
Drug cost, 2024
$1.2M
3,436 prescriptions
Company payments, 2025
$4,501
From 23 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Kristen Schreiber was code Q9967 (low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml), 2,035 times for 25 patients. In total Kristen Schreiber billed 5,973 services in 49 codes, and Medicare paid $118K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-12-01.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|
| Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Office | 2,035 | 25 | $0.10 | $207 |
| 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 | 749 | 547 | $9.98 | $7,475 |
| 81003 Clinical Chemistry | Office | 748 | 547 | $2.19 | $1,635 |
| 99214 Office E&M - Established | Office | 683 | 463 | $75.30 | $51K |
| 99213 Office E&M - Established | Office | 360 | 304 | $52.06 | $19K |
| 51798 Ultrasound - Nonspecific | Office | 275 | 246 | $7.60 | $2,091 |
| 99459 Office/Outpatient Services | Office | 154 | 100 | $12.80 | $1,972 |
| 99204 Office E&M - New | Office | 94 | 94 | $90.61 | $8,517 |
| 95971 Electrical Nerve Conductivity | Office | 62 | 41 | $29.76 | $1,845 |
| 64566 Musculoskeletal | Office | 61 | 14 | $71.69 | $4,373 |
| 99442 Telephone Services | Office | 54 | 48 | $51.45 | $2,778 |
| 51701 Other Organ Systems | Office | 39 | 39 | $27.48 | $1,072 |
| 76770 Ultrasound - Abdomen and Pelvis | Office | 36 | 35 | $63.30 | $2,279 |
| 82565 Clinical Chemistry | Office | 24 | 24 | $5.02 | $120 |
| 57160 Other Organ Systems | Office | 22 | 18 | $45.10 | $992 |
By year: 2022 $118K for 6,191 services; 2023 $120K for 7,275 services; 2024 $118K for 5,973 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81003 Clinical Chemistry | 748 | 547 | $2.19 | $1,635 |
| 82565 Clinical Chemistry | 24 | 24 | $5.02 | $120 |
Medicare prescription drug claims, 2024
In 2024, the drug Kristen Schreiber prescribed most often to Medicare patients was Gemtesa (Vibegron), with 733 prescriptions and refills. In total Kristen Schreiber wrote 3,436 Medicare prescriptions that cost $1.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gemtesa Vibegron | 733 | 1,243 | 183 | $599K |
| Myrbetriq Mirabegron | 619 | 954 | 160 | $430K |
| Methenamine Hippurate Generic | 404 | 656 | 99 | $25K |
| Cephalexin Generic | 230 | 319 | 161 | $1,232 |
| Trospium Chloride Generic | 194 | 377 | 59 | $7,711 |
| Estradiol Generic | 180 | 592 | 133 | $12K |
| Trospium Chloride Er Trospium Chloride | 148 | 300 | 47 | $27K |
| Oxybutynin Chloride Er Oxybutynin Chloride | 103 | 221 | 32 | $1,533 |
| Tamsulosin Hcl Generic | 92 | 207 | 33 | $1,196 |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 83 | 83 | 64 | $970 |
| Ciprofloxacin Hcl Generic | 76 | 76 | 54 | $215 |
| Mirabegron Er Mirabegron | 69 | 103 | 30 | $34K |
| Solifenacin Succinate Generic | 57 | 135 | 21 | $2,971 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 50 | 56 | 41 | $218 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 44 | 52 | 30 | $358 |
Brand drugs: 1,458 claims; generic drugs: 1,978 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Kristen Schreiber $4,501 ($4,501 in general payments such as food, travel and fees) from 23 companies. The largest payer was Boston Scientific Corporation with $1,285.
| Company | Payments | Amount |
|---|---|---|
| Boston Scientific Corporation BSX | 10 | $1,285 |
| Ferring Pharmaceuticals Inc. | 17 | $520 |
| Janssen Biotech, Inc. JNJ | 16 | $519 |
| Sumitomo Pharma America, Inc. 4506.T | 22 | $366 |
| Medtronic, Inc. MDT | 4 | $362 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 8 | $281 |
| Dendreon Pharmaceuticals LLC | 9 | $221 |
| Procept Biorobotics Corporation PRCT | 3 | $207 |
| Urogen Pharma, Inc. URGN | 4 | $111 |
| Novartis Pharmaceuticals Corporation NVS | 5 | $109 |
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.