NPPES file of Aug 9, 2026

James Benjamin Brock, M.D.

Infectious Disease Physician · Jackson, MS

James Benjamin Brock, M.D. is an infectious disease physician with a practice address in Jackson, Mississippi, and NPI 1073742607, issued on Jul 2, 2009. Check the license (Mississippi 21425, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073742607
Name
James Benjamin Brock
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
21425 MS
Self-reported in NPPES; status is on the state search
Practice location
2500 N State St, Jackson, MS 39216
Phone
(601) 984-5560
Enumerated
Jul 2, 2009
Record last updated
Oct 31, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(601) 984-5565
Medicaid ID
03679540 MS
Medicare enrollment
Enrolled (PECOS I20130327000444); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2500 N State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Noah Abbas, M.D.Emergency Medicine Physician1982991246
  2. Syed Abbas, MDAnatomic Pathology & Clinical Pathology Physician1407378961
  3. Rania AbdoStudent in an Organized Health Care Education/Training Program1255168787
  4. John AbernathyInternal Medicine Physician1700670650
  5. Jordan Abney, MDEmergency Medicine Physician1275238214
  6. Hassan Abou AdmaStudent in an Organized Health Care Education/Training Program1811826688

Verify James Benjamin Brock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 21425
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

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3% fewer Medicare Part D claims than the average infectious disease physician in 2024

665 Medicare Part D claims for 51 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. James Brock665
  2. Specialty average689

Most prescribed

  1. Dovato57 claims
  2. Biktarvy48 claims
  3. Atorvastatin Calcium47 claims
  4. Spironolactone33 claims
  5. Estradiol30 claims
  6. Descovy29 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): 69.8 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.

  1. Qualityout of 100 · 30% of the final score56.1
  2. Costout of 100 · 30%48.3
  3. Promoting interoperabilityout of 100 · 25%83.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $73.52

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Brock$73.52
  2. Specialty average$4,362.19

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

  1. State OF Mississippi-University OF Mississippi Medical CenterJackson, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Infectious Disease Physician providers in Mississippi

There are 38 infectious disease physician records in Mississippi.

Other infectious disease physician records in Mississippi

  1. Svenja Albrecht, M.D.Jackson, MS1962539577
  2. Senate Amusu, MDHattiesburg, MS1700309432
  3. Bret Barrett, MDJackson, MS1265640577
  4. Maria Bueno, M.D.Jackson, MS1891134011
  5. Mary Jane Burton, M.D.Jackson, MS1417045097
  6. Michael Byers, M.D.Jackson, MS1346311982
  7. Jo Deal, MDJackson, MS1003826272
  8. Ujjwal Dhar, M.D.Jackson, MS1841223377
  9. Alejandro Diaz Arumir Vergara, MDJackson, MS1578359501
  10. Thomas Dobbs, M.D.Laurel, MS1770597882

Common questions

What is James Benjamin Brock, M.D.'s NPI number?

James Benjamin Brock, M.D.'s National Provider Identifier (NPI) is 1073742607, issued on Jul 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is James Benjamin Brock, M.D. located?

The NPPES record lists a practice address at 2500 N State St, Jackson, MS, 39216. Phone: (601) 984-5560. Providers update this record themselves, so call before visiting.

How can I verify James Benjamin Brock, M.D.'s license?

NPPES lists Mississippi license number 21425, 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 James Benjamin Brock, M.D. prescribe under Medicare Part D?

In 2024, James Benjamin Brock, M.D. had 665 Medicare Part D claims for 51 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is James Benjamin Brock, M.D.'s MIPS final score?

The 2023 MIPS final score is 69.8 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.