John C. Halbrook, MD
Hematology & Oncology Physician · Meridian, MS
John C. Halbrook, MD is a hematology & oncology physician with a practice address in Meridian, Mississippi, and NPI 1992782924, issued on Dec 30, 2005. Check the license (Mississippi 07013, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John C. Halbrook
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 07013 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1704 23RD Ave, Meridian, MS 39301
- Phone
- (601) 482-1555
- Enumerated
- Dec 30, 2005
- Record last updated
- Oct 15, 2024
- Fax
- (601) 696-4608
- Medicaid ID
- 000121501 MS
- Medicare enrollment
- Enrolled (PECOS I20040220000819); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1974
- Entity
- Type 1 · individual
Also registered at 1704 23RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Cassell, M.D.Hematology & Oncology Physician1427269331
- Caleb Dulaney, M.D.Radiation Oncology Physician1437592276
- John Voss, MDHematology & Oncology Physician1780793059
Verify John C. Halbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 07013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
762 Medicare Part D claims for 110 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 42 claims were for opioids.
Most prescribed
- Tamoxifen Citrate109 claims
- Letrozole87 claims
- Ondansetron Hcl40 claims
- Levothyroxine Sodium37 claims
- Dexamethasone36 claims
- Doxepin Hcl30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,946.01
162 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Meridian Oncology Associates PLLCMeridian, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in Mississippi
There are 64 hematology & oncology physician records in Mississippi.
Other hematology & oncology physician records in Mississippi
- John Allen, M.D.Oxford, MS1417275652
- Cecelia Allred, M.D.Jackson, MS1528167541
- Wail Alnas, MDColumbus, MS1215960786
- Syed Azmi, MDSouthaven, MS1922203082
- Justin Baker, M.D.Jackson, MS1639119589
- Brett Barlow, M.D.Laurel, MS1700240264
- Francis Bell, DOHattiesburg, MS1912437310
- Andrew Benefield, MDOxford, MS1245694116
- Sonia Benn, MDSouthaven, MS1801825781
- Amber Borden, MDColumbus, MS1730229816
Common questions
What is John C. Halbrook, MD's NPI number?
John C. Halbrook, MD's National Provider Identifier (NPI) is 1992782924, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John C. Halbrook, MD located?
The NPPES record lists a practice address at 1704 23RD Ave, Meridian, MS, 39301. Phone: (601) 482-1555. Providers update this record themselves, so call before visiting.
How can I verify John C. Halbrook, MD's license?
NPPES lists Mississippi license number 07013, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John C. Halbrook, MD prescribe under Medicare Part D?
In 2024, John C. Halbrook, MD had 762 Medicare Part D claims for 110 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is John C. Halbrook, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.