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Edit this profileBased in Meridian, MS, John C. Halbrook, MD is listed in the NPI registry under medical oncology. John graduated from University of Mississippi School of Medicine in 1974. John is also listed as specializing in specialist and hematology & oncology. According to Medicare claims data, John cared for 2,205 Medicare patients across 7,716 services. The services billed most often include insertion of needle into vein for collection of blood sample, injection, dexamethasone sodium phosphate, 1 mg, and complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count. NPI 1992782924 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1704 23RD AVE
Meridian, MS 39301
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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7,716 services · 2,205 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,307 | More often than most peers in Medical Oncology |
| X-ray of chest, 2 views | Imaging | 71046 |
65 | Too few peers to compare |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
104 | As often as other peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
89 | Less often than most peers in Medical Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
70 | Less often than most peers in Medical Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
53 | Less often than most peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
44 | Less often than most peers in Medical Oncology |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
1,160 | As often as other peers in Medical Oncology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
1,068 | More often than most peers in Medical Oncology |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
1,016 | More often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Halbrook is an oncologist in Meridian, MS. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Dr. Halbrook is listed at 1704 23Rd Ave, Meridian, MS 39301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (601) 482-1555. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Halbrook's National Provider Identifier is 1992782924. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Halbrook attended University of Mississippi School of Medicine, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
Dr. Halbrook has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Halbrook performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle and infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Halbrook. If this is you, claiming it is free.
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