Internal Medicine, Rheumatology · Oklahoma City, OK
NPI
1629015763
Since 2006
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
6
Medicare group memberships
Hospitals
5
Hospital affiliations
3555 NW 58th St Ste 804
Oklahoma City, OK, 73112
Phone (405) 548-0430
Groups this clinician bills Medicare through
Medicare paid, 2024
$703K
72,510 services
Medicare patients, 2024
345
Average age 73
Drug cost, 2024
$4.8M
3,987 prescriptions
Company payments, 2025
$1,462
From 16 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William M Schnitz was code J0897 (injection, denosumab, 1 mg), 2,100 times for 19 patients. In total William M Schnitz billed 72,510 services in 61 codes, and Medicare paid $703K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-20.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 2,100 | 19 | $19.86 | $42K |
| Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg | Office | 1,760 | 11 | $15.82 | $28K |
| J2919 Injection, methylprednisolone sodium succinate, 5 mg | Office | 420 | 12 | $0.22 | $91.76 |
| 99214 Office E&M - Established | Office | 341 | 224 | $85.34 | $29K |
| J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 213 | 36 | $0.73 | $156 |
| 96372 Injection Administration | Office | 186 | 26 | $10.51 | $1,954 |
| 99213 Office E&M - Established | Office | 182 | 119 | $57.82 | $11K |
| 96365 Intravenous Infusion, Hydration | Office | 119 | 23 | $44.09 | $5,247 |
| 96413 Chemotherapy Administration | Office | 91 | 19 | $88.32 | $8,038 |
| 96415 Chemotherapy Administration | Office | 80 | 17 | $18.95 | $1,516 |
| 96375 Injection Administration | Office | 60 | 12 | $10.32 | $619 |
| 99204 Office E&M - New | Office | 33 | 33 | $115.46 | $3,810 |
| J1200 Injection, diphenhydramine hcl, up to 50 mg | Office | 30 | 12 | $0.61 | $18.19 |
| 99203 Office E&M - New | Office | 26 | 26 | $73.05 | $1,899 |
| 20610 Joint Injection | Office | 20 | 14 | $65.81 | $1,316 |
By year: 2022 $1.4M for 92,839 services; 2023 $871K for 77,060 services; 2024 $703K for 72,510 services.
Lab tests billed to Medicare, 2022
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 80053 Clinical Chemistry | 472 | 286 | $10.18 | $4,804 |
| 86140 Clinical Chemistry | 458 | 285 | $4.99 | $2,286 |
| 85025 Blood Count | 363 | 242 | $7.45 | $2,703 |
| 85652 Clinical Chemistry | 357 | 244 | $2.59 | $924 |
| 84550 Clinical Chemistry | 60 | 37 | $4.41 | $264 |
| 82306 Clinical Chemistry | 17 | 16 | $29.27 | $498 |
| 86431 Immunoassay | 11 | 11 | $5.60 | $61.59 |
Medicare prescription drug claims, 2024
In 2024, the drug William M Schnitz prescribed most often to Medicare patients was Prednisone, with 353 prescriptions and refills. In total William M Schnitz wrote 3,987 Medicare prescriptions that cost $4.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 353 | 697 | 126 | $2,052 |
| Methotrexate Methotrexate Sodium | 276 | 611 | 76 | $7,806 |
| Hydroxychloroquine Sulfate Generic | 267 | 620 | 71 | $12K |
| Enbrel Sureclick Etanercept | 168 | 170 | 25 | $1.3M |
| Alendronate Sodium Generic | 139 | 353 | 45 | $1,298 |
| Tramadol Hcl Generic | 133 | 141 | 18 | $1,481 |
| Meloxicam Generic | 119 | 234 | 43 | $594 |
| Gabapentin Generic | 110 | 220 | 26 | $2,082 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 105 | 105 | 20 | $2,090 |
| Allopurinol Generic | 98 | 281 | 31 | $1,198 |
| Rinvoq Upadacitinib | 88 | 104 | Under 11 | $659K |
| Duloxetine Hcl Generic | 81 | 163 | 21 | $1,511 |
| Celecoxib Generic | 67 | 100 | 13 | $1,414 |
| Omeprazole Generic | 67 | 171 | 21 | $1,680 |
| Humira(Cf) Pen Adalimumab | 66 | 66 | Under 11 | $450K |
Brand drugs: - claims; generic drugs: 3,206 claims; opioid claims: 291.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William M Schnitz $1,462 ($1,462 in general payments such as food, travel and fees) from 16 companies. The largest payer was Amgen Inc. with $471.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 18 | $471 |
| Abbvie Inc. ABBV | 15 | $328 |
| AstraZeneca Pharmaceuticals LP AZN | 7 | $167 |
| UCB, Inc. UCB.BR | 8 | $152 |
| Fresenius Kabi USA, LLC | 4 | $77.92 |
| Novartis Pharmaceuticals Corporation NVS | 4 | $68.97 |
| Sandoz Inc. SDZ.SW | 2 | $36.13 |
| Janssen Biotech, Inc. JNJ | 1 | $27.32 |
| Pfizer Inc. PFE | 1 | $26.27 |
| Genentech USA, Inc. ROG.SW | 1 | $18.81 |
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.