Internal Medicine, Hematology & Oncology · Spokane, WA
NPI
1417214420
Since 2012
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
601 S Sherman St
Spokane, WA, 99202
Phone (509) 228-1000
Groups this clinician bills Medicare through
Medicare paid, 2024
$91K
1,028 services
Medicare patients, 2024
426
Average age 74
Drug cost, 2024
$8.1M
2,424 prescriptions
Company payments, 2025
$429
From 12 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Nathanael D Gay was code 99215 (office e&m - established), 495 times for 186 patients. In total Nathanael D Gay billed 1,028 services in 14 codes, and Medicare paid $91K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-10-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Office | 495 | 186 | $104.19 | $52K |
| 99214 Office E&M - Established | Office | 311 | 244 | $66.10 | $21K |
| 99205 Office E&M - New | Office | 56 | 56 | $136.19 | $7,627 |
| 99233 Hospital E&M - Subsequent | Facility | 53 | 17 | $80.00 | $4,240 |
| 99213 Office E&M - Established | Office | 43 | 41 | $43.37 | $1,865 |
| 99442 Telephone Services | Office | 29 | 26 | $45.06 | $1,307 |
| 99204 Office E&M - New | Office | 14 | 14 | $101.71 | $1,424 |
| 99223 Hospital E&M - Initial | Facility | 11 | 11 | $120.54 | $1,326 |
By year: 2022 $119K for 1,938 services; 2023 $126K for 1,731 services; 2024 $91K for 1,028 services.
Medicare prescription drug claims, 2024
In 2024, the drug Nathanael D Gay prescribed most often to Medicare patients was Prochlorperazine Maleate, with 136 prescriptions and refills. In total Nathanael D Gay wrote 2,424 Medicare prescriptions that cost $8.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prochlorperazine Maleate Generic | 136 | 138 | 80 | $2,130 |
| Acyclovir Generic | 108 | 181 | 25 | $2,855 |
| Tamoxifen Citrate Generic | 103 | 220 | 32 | $2,457 |
| Ondansetron Odt Ondansetron | 103 | 105 | 57 | $2,392 |
| Anastrozole Generic | 96 | 249 | 28 | $1,818 |
| Dexamethasone Generic | 90 | 109 | 54 | $1,750 |
| Gabapentin Generic | 80 | 105 | 26 | $1,004 |
| Xarelto Rivaroxaban | 65 | 113 | 13 | $63K |
| Eliquis Apixaban | 64 | 108 | 24 | $62K |
| Hydroxyurea Generic | 57 | 130 | 16 | $1,257 |
| Prednisone Generic | 55 | 78 | 33 | $263 |
| Loperamide Loperamide Hcl | 42 | 43 | 24 | $571 |
| Omeprazole Generic | 40 | 91 | 18 | $808 |
| Ibandronate Sodium Generic | 40 | 115 | 15 | $1,376 |
| Jakafi Ruxolitinib Phosphate | 37 | 37 | Under 11 | $625K |
Brand drugs: - claims; generic drugs: 1,680 claims; opioid claims: 59.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Nathanael D Gay $429 ($429 in general payments such as food, travel and fees) from 12 companies. The largest payer was Pfizer Inc. with $77.03.
| Company | Payments | Amount |
|---|---|---|
| Pfizer Inc. PFE | 3 | $77.03 |
| Genentech, Inc. ROG.SW | 1 | $53.45 |
| Novartis Pharmaceuticals Corporation NVS | 3 | $50.23 |
| AstraZeneca Pharmaceuticals LP AZN | 1 | $43.25 |
| Astellas Pharma US Inc 4503.T | 1 | $31.88 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 1 | $29.66 |
| Celgene Corporation BMY | 1 | $29.08 |
| Abbvie Inc. ABBV | 1 | $27.79 |
| Merck Sharp & Dohme LLC MRK | 1 | $25.7 |
| Array Biopharma Inc PFE | 1 | $24.26 |
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.