NPPES file of Aug 9, 2026

Meredith A. Johnston, M.D.

Pediatrics Physician · Corsicana, TX

Meredith A. Johnston, M.D. is a pediatrics physician with a practice address in Corsicana, Texas, and NPI 1538190111, issued on Jul 5, 2006. Check the license (Texas M6680, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538190111
Name
Meredith A. Johnston
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
M6680 TX
0101238944 VA
Self-reported in NPPES; status is on the state search
Practice location
400 Hospital Dr, Corsicana, TX 75110
Phone
(903) 641-4800
Enumerated
Jul 5, 2006
Record last updated
Sep 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(903) 641-4822
Medicaid ID
187034701 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pediatrics physician records → All 5,641 in Texas → Look up another NPI →

Also registered at 400 Hospital Dr

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

  1. Oswald Binford, MDOphthalmology Physician1760455315
  2. Tara Bzdok, RD, CSR, LDRegistered Dietitian1235420514
  3. Michelle Confer, MDObstetrics & Gynecology Physician1972611184
  4. Charles Cook, MDObstetrics & Gynecology Physician1861465601
  5. Delores Cook, FNPFamily Nurse Practitioner1134267198
  6. Eron Crouch, MDCardiovascular Disease Physician1275636532

Verify Meredith A. Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M6680    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

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Industry payments in 2024: $46.64

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Meredith Johnston$46.64
  2. Specialty average$842.05

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

Meredith A. Johnston among 5,641 pediatrics physician records in Texas

Meredith A. Johnston, M.D. is one of 5,641 pediatrics physician records with a practice address in Texas. 47% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2020 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 pediatrics physician records list a practice address in Corsicana

They are 5 of the 373 NPPES records with a practice address in Corsicana, and 5,641 pediatrics physician records in Texas.

All 5,641 in Texas → Every provider in Corsicana → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Karen Jahnke, MDCorsicana, TX 751101669446100
  2. Daniel Maloney, MDCorsicana, TX 751101750477030
  3. Thomas Sawyerr, M.D.Corsicana, TX 751101710298559
  4. Mussarat Shafiq, M.D.Corsicana, TX 751101992816995
  5. Meredith Byington, MDCrandall, TX 751141952343493
  6. Bianca MethvinCrandall, TX 751141033505094
  7. Jacqueline Nortman, MDCrandall, TX 751141730525072
  8. Thomas Deacon, M.D.Desoto, TX 751151265493282

Common questions

What is Meredith A. Johnston, M.D.'s NPI number?

Meredith A. Johnston, M.D.'s National Provider Identifier (NPI) is 1538190111, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Meredith A. Johnston, M.D. located?

The NPPES record lists a practice address at 400 Hospital Dr, Corsicana, TX, 75110. Phone: (903) 641-4800. Providers update this record themselves, so call before visiting.

How can I verify Meredith A. Johnston, M.D.'s license?

NPPES lists Texas license number M6680, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.