NPPES file of Aug 9, 2026

Jana Johnson Brock, MD

Family Medicine Physician · Corsicana, TX

Jana Johnson Brock, MD is a family medicine physician with a practice address in Corsicana, Texas, and NPI 1124121108, issued on Sep 6, 2006. Check the license (Texas P0011, as entered in NPPES) on the Texas Medical Board; 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
1124121108
Name
Jana Johnson Brock
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
P0011 TX
Self-reported in NPPES; status is on the state search
Practice location
3108 W State Highway 22, Corsicana, TX 75110
Phone
(660) 833-7554
Enumerated
Sep 6, 2006
Record last updated
Apr 3, 2023
Medicare enrollment
Enrolled (PECOS I20140908001309); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2005
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 3108 W State Highway 22

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

  1. James AdamsDentist1245454610
  2. Anna TomlinsonDental Hygienist1154541134

Verify Jana Johnson Brock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P0011
    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 Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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60% more Medicare Part D claims than the average family medicine physician in 2024

5,682 Medicare Part D claims for 434 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 87 claims were for opioids.

  1. Jana Brock5,682
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium311 claims
  2. Losartan Potassium258 claims
  3. Levothyroxine Sodium254 claims
  4. Atorvastatin Calcium245 claims
  5. Amlodipine Besylate174 claims
  6. Lisinopril160 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 MIPS final score for 2023 (Medicare payment program): 86.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score72.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $88.35

5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jana Brock$88.35
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jana Johnson Brock among 11,119 family medicine physician records in Texas

Jana Johnson Brock, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2005 · median 2004 among the 7,095 with a school on file
  • Record last updated2023 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 family medicine physician records list a practice address in Corsicana

They are 11 of the 373 NPPES records with a practice address in Corsicana, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Dale Campbell, M.D.Corsicana, TX 751101851384648
  2. William Kinzie, MDCorsicana, TX 751101871567859
  3. Noha Mataoui, MDCorsicana, TX 751101366670440
  4. William McHenry, M.D.Corsicana, TX 751101295728152
  5. Ronald Merrill, M.D.Corsicana, TX 751101588657431
  6. Daniel Metzger, D.O.Corsicana, TX 751101952348823
  7. Joseph Saucedo, DOCorsicana, TX 751101164485140
  8. Grady Shaw, MDCorsicana, TX 751101598730939

Common questions

What is Jana Johnson Brock, MD's NPI number?

Jana Johnson Brock, MD's National Provider Identifier (NPI) is 1124121108, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jana Johnson Brock, MD located?

The NPPES record lists a practice address at 3108 W State Highway 22, Corsicana, TX, 75110. Phone: (660) 833-7554. Providers update this record themselves, so call before visiting.

How can I verify Jana Johnson Brock, MD's license?

NPPES lists Texas license number P0011, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jana Johnson Brock, MD prescribe under Medicare Part D?

In 2024, Jana Johnson Brock, MD had 5,682 Medicare Part D claims for 434 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Jana Johnson Brock, MD's MIPS final score?

The 2023 MIPS final score is 86.4 of 100. 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.