Jack Leegon Johnson, M.D.
Family Medicine Physician · Lewisville, TX
Jack Leegon Johnson, M.D. is a family medicine physician with a practice address in Lewisville, Texas, and NPI 1801859996, issued on Apr 10, 2006. Check the license (Texas H5576, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jack Leegon Johnson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H5576 TX
Self-reported in NPPES; status is on the state search - Practice location
- 560 W Main St, Lewisville, TX 75057
- Phone
- (972) 436-9797
- Enumerated
- Apr 10, 2006
- Record last updated
- Jun 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (972) 436-9790
- Medicare enrollment
- Enrolled (PECOS I20041208000226); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 560 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tae Lee, M.D.Child & Adolescent Psychiatry Physician1235333402
Verify Jack Leegon Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H5576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average family medicine physician in 2024
4,393 Medicare Part D claims for 361 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. 33 claims were for opioids.
Most prescribed
- Levothyroxine Sodium202 claims
- Amlodipine Besylate173 claims
- Pantoprazole Sodium137 claims
- Losartan Potassium134 claims
- Rosuvastatin Calcium122 claims
- Metformin Hcl105 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.
Industry payments in 2024: $219.21
11 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.
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
- Texas Health Physicians GroupFlower Mound, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Leegon Johnson among 11,119 family medicine physician records in Texas
Jack Leegon Johnson, M.D. 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
- Graduated1983 · median 2004 among the 7,095 with a school on file
- Record last updated2012 · 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).
30 family medicine physician records list a practice address in Lewisville
They are 30 of the 1,294 NPPES records with a practice address in Lewisville, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Lewisville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gary Fagan, MDLewisville, TX 750571679688766
- Gere Feltus, MDLewisville, TX 750571831233212
- Hollie Gaeto, D.O.Lewisville, TX 750571114310687
- Michael Gagliardi, M.D.Lewisville, TX 750571083770044
- Lowell Koppel, MDLewisville, TX 750571942231220
- John Launius, M.D.Lewisville, TX 750571982825725
- Patrick Martin, MDLewisville, TX 750571346404001
- Todd Paxton, D.O.Lewisville, TX 750571831114065
Common questions
What is Jack Leegon Johnson, M.D.'s NPI number?
Jack Leegon Johnson, M.D.'s National Provider Identifier (NPI) is 1801859996, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jack Leegon Johnson, M.D. located?
The NPPES record lists a practice address at 560 W Main St, Lewisville, TX, 75057. Phone: (972) 436-9797. Providers update this record themselves, so call before visiting.
How can I verify Jack Leegon Johnson, M.D.'s license?
NPPES lists Texas license number H5576, 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 Jack Leegon Johnson, M.D. prescribe under Medicare Part D?
In 2024, Jack Leegon Johnson, M.D. had 4,393 Medicare Part D claims for 361 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.