Doctor profile · Federal record
Dr. Nathanael Gay, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Spokane, WA
- NPI 1417214420
- Accepts Medicare
- MIPS 93.9 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
601 S Sherman St
Spokane, WA 992021311
(509) 228-1000
fax (509) 252-9300 - Additional location
-
1440 E Mullan Ave
Post Falls, ID 83854
(208) 625-4900
fax (208) 625-4911 - Mailing address
-
1204 N Vercler RD
Spokane Valley, WA 992161020
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- October 3, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- Washington #MD61511710 · Idaho #M14104
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417214420. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,281
Distinct HCPCS
9
Medicare allowed
$138,463
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 544 | 311 | $91 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 440 | 144 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 79 | 74 | $60 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 75 | 19 | $113 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 60 | 60 | $170 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 20 | $164 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 24 | 18 | $62 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 22 | 20 | $33 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 13 | 13 | $33 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 1,717. This provider delivers 0.7× the peer median.Open Payments
Industry payments received
All-time total
$70
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mirati Therapeutics, Inc. | 1 | $38.13 | |
| AIMMUNE THERAPEUTICS, INC. | 1 | $18.90 | |
| Celgene Corporation | 1 | $13.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,020
Patients
412
Total drug cost
$821,999
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 117 | 32 | $1,568 |
| Prochlorperazine Maleate | Generic | 112 | 70 | $2,075 |
| Acyclovir | Generic | 96 | 26 | $1,923 |
| Dexamethasone | Generic | 91 | 46 | $1,163 |
| Anastrozole | Generic | 87 | 29 | $1,850 |
| Tamoxifen Citrate | Generic | 83 | 22 | $1,767 |
| Prednisone | Generic | 66 | 33 | $1,132 |
| Ondansetron Odt (Ondansetron) | Brand | 65 | 49 | $904 |
| Hydroxyurea | Generic | 64 | 15 | $1,795 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 44 | 26 | $813 |
Frequently asked questions
What is Dr. Nathanael Gay's medical specialty?
Dr. Nathanael Gay practices Hematology & Oncology Physician in Spokane, WA.
Where does Dr. Nathanael Gay practice?
Dr. Nathanael Gay practices at 601 S Sherman St, Spokane, WA 992021311. Office phone: 5092281000.
What is Dr. Nathanael Gay's NPI?
Dr. Nathanael Gay's National Provider Identifier (NPI) is 1417214420, issued by NPPES.
Does Dr. Nathanael Gay accept Medicare assignment?
Yes. Dr. Nathanael Gay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathanael Gay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.