Doctor profile · Federal record
Dr. Coy Gammage, M. D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Specialist · Monroe, LA
- NPI 1871590711
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
411 Calypso St Ste 200A
Monroe, LA 712017551
(318) 966-1970
fax (318) 966-1971 - Mailing address
-
5959 S Sherwood Forest Blvd
Baton Rouge, LA 708166038
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 13, 2022
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Louisiana #021331
- Medicaid
- LA #1976652
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871590711. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,698
Distinct HCPCS
6
Medicare allowed
$148,743
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,001 | 306 | $94 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 415 | 244 | $64 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 129 | 46 | $77 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 76 | 76 | $129 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 61 | 58 | $126 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 16 | 12 | $48 |
In context: peer comparison
Among 2 peers in Monroe Hematology & Oncology Physician, average services per provider: 227. This provider delivers 7.5× the peer median.Open Payments
Industry payments received
All-time total
$3,362
Transactions
120
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 15 | $342.73 | |
| Daiichi Sankyo INC. | 15 | $295.21 | |
| Pfizer INC. | 15 | $245.36 | |
| Merck Sharp & Dohme LLC | 10 | $224.09 | |
| Novartis Pharmaceuticals Corporation | 14 | $212.42 | |
| AstraZeneca Pharmaceuticals Lp | 10 | $163.88 | |
| Incyte Corporation | 8 | $146.91 | |
| Bayer Healthcare Pharmaceuticals INC. | 6 | $116.09 | |
| Genentech USA, INC. | 6 | $108.88 | |
| Siemens Medical Solutions USA, INC. | 1 | $87.91 | |
| Regeneron Healthcare Solutions, INC. | 4 | $84.54 | |
| Abbvie INC. | 4 | $84.00 | |
| Lilly USA, LLC | 4 | $79.78 | |
| GlaxoSmithKline, LLC. | 4 | $71.94 | |
| Gilead Sciences, INC. | 4 | $69.23 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,041
Patients
355
Total drug cost
$254,700
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 173 | 49 | $4,047 |
| Oxycodone Hcl | Generic | 161 | 50 | $3,062 |
| Ondansetron Hcl | Generic | 88 | 54 | $544 |
| Tramadol Hcl | Generic | 87 | 47 | $502 |
| Potassium Chloride | Generic | 83 | 34 | $1,754 |
| Eliquis (Apixaban) | Brand | 82 | 19 | $51,727 |
| Exemestane | Generic | 50 | 14 | $5,842 |
| Dexamethasone | Generic | 47 | 35 | $2,887 |
| Anastrozole | Generic | 46 | 12 | $851 |
| Prednisone | Generic | 42 | 17 | $321 |
Hospital affiliations
Frequently asked questions
What is Dr. Coy Gammage's medical specialty?
Dr. Coy Gammage practices Hematology & Oncology Physician in Monroe, LA.
Where does Dr. Coy Gammage practice?
Dr. Coy Gammage practices at 411 Calypso St Ste 200A, Monroe, LA 712017551. Office phone: 3189661970.
What is Dr. Coy Gammage's NPI?
Dr. Coy Gammage's National Provider Identifier (NPI) is 1871590711, issued by NPPES.
Does Dr. Coy Gammage accept Medicare assignment?
Yes. Dr. Coy Gammage accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Coy Gammage 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 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.