Doctor profile · Federal record
Dr. Justin Baker, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Jackson, MS
- NPI 1639119589
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1227 N State St Ste 101
Jackson, MS 392022002
(601) 355-2485
fax (601) 353-1463
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 2, 2009
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- Mississippi #17499 · Tennessee #MD40878
- Medicaid
- MS #02108317
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639119589. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
232,803
Distinct HCPCS
10
Medicare allowed
$5,178,979
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9271 |
Injection, pembrolizumab, 1 mg | 56,000 | 45 | $50 | |
J1439 |
Injection, ferric carboxymaltose, 1 mg | 52,500 | 36 | $1 | |
J9299 |
Injection, nivolumab, 1 mg | 35,200 | 27 | $30 | |
J0185 |
Injection, aprepitant, 1 mg | 18,330 | 46 | $2 | |
J0897 |
Injection, denosumab, 1 mg | 16,440 | 46 | $20 | |
J9263 |
Injection, oxaliplatin, 0.5 mg | 9,000 | 11 | $0 | |
J9267 |
Injection, paclitaxel, 1 mg | 7,750 | 15 | $0 | |
J9311 |
Injection, rituximab 10 mg and hyaluronidase | 7,080 | 12 | $37 | |
J9171 |
Injection, docetaxel, 1 mg | 5,190 | 19 | $1 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,750 | 88 | $0 |
In context: peer comparison
Among 3 peers in Jackson Hematology & Oncology Physician, average services per provider: 2,659. This provider delivers 88× the peer median.Open Payments
Industry payments received
All-time total
$557
Transactions
29
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 8 | $148.06 | |
| Janssen Biotech, INC. | 4 | $62.82 | |
| Abbvie INC. | 2 | $57.40 | |
| Deciphera Pharmaceuticals INC. | 3 | $55.25 | |
| Octapharma USA, INC. | 2 | $36.63 | |
| Eisai INC. | 1 | $23.46 | |
| Gilead Sciences, INC. | 1 | $23.06 | |
| BeiGene USA, INC. | 1 | $21.48 | |
| Inari Medical, INC. | 1 | $21.35 | |
| Daiichi Sankyo INC. | 1 | $20.07 | |
| Array Biopharma INC | 1 | $19.88 | |
| Dendreon Pharmaceuticals LLC | 1 | $18.76 | |
| Kite Pharma, INC. | 1 | $18.07 | |
| Pfizer INC. | 1 | $15.77 | |
| Astellas Pharma US INC | 1 | $14.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,059
Patients
318
Total drug cost
$1,994,143
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 196 | 41 | $2,696 |
| Ondansetron Hcl | Generic | 123 | 76 | $1,849 |
| Prednisone | Generic | 109 | 47 | $638 |
| Imbruvica (Ibrutinib) | Brand | 87 | 0 | $1,192,941 |
| Potassium Chloride | Generic | 77 | 21 | $1,137 |
| Megestrol Acetate | Generic | 57 | 23 | $5,513 |
| Gabapentin | Generic | 55 | 15 | $708 |
| Tamoxifen Citrate | Generic | 55 | 12 | $1,643 |
| Ibandronate Sodium | Generic | 48 | 12 | $878 |
| Imatinib Mesylate | Generic | 48 | 0 | $108,510 |
Hospital affiliations
Frequently asked questions
What is Dr. Justin Baker's medical specialty?
Dr. Justin Baker practices Hematology & Oncology Physician in Jackson, MS.
Where does Dr. Justin Baker practice?
Dr. Justin Baker practices at 1227 N State St Ste 101, Jackson, MS 392022002. Office phone: 6013552485.
What is Dr. Justin Baker's NPI?
Dr. Justin Baker's National Provider Identifier (NPI) is 1639119589, issued by NPPES.
Does Dr. Justin Baker accept Medicare assignment?
Yes. Dr. Justin Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Baker commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, nivolumab, 1 mg (HCPCS J9299). Source: CMS Medicare Physician & Other Practitioners file.