Malcolm Kent Lyon, DO
Emergency Medical Services (Emergency Medicine) Physician · Nacogdoches, TX
Malcolm Kent Lyon, DO is an emergency medical services (emergency medicine) physician with a practice address in Nacogdoches, Texas, and NPI 1487708624, issued on Jan 23, 2007. Check the license (Texas F9762, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Malcolm Kent Lyon
- Credential
- DO
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- F9762 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1204 N Mound St, Nacogdoches, TX 75961
- Phone
- (936) 568-8448
- Enumerated
- Jan 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 250 in Texas → Look up another NPI →
Also registered at 1204 N Mound St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Calme, M.D.Diagnostic Radiology Physician1104875087
- John Copen, CRNACertified Registered Nurse Anesthetist1942447008
- Michele Curtis, M.D.Family Medicine Physician1942470208
- Ronald Freeland, C.R.N.A.Certified Registered Nurse Anesthetist1174590442
- Allen Grisson, M.D.Diagnostic Radiology Physician1700836335
- Sabrina Guillory, CNMAdvanced Practice Midwife1104821180
Verify Malcolm Kent Lyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F9762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average emergency medical services (emergency medicine) physician in 2024
293 Medicare Part D claims for 22 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Ibuprofen31 claims
- Lisinopril23 claims
- Levetiracetam20 claims
- Pantoprazole Sodium20 claims
- Zonisamide20 claims
- Atorvastatin Calcium17 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.
Malcolm Kent Lyon among 250 emergency medical services (emergency medicine) physician records in Texas
Malcolm Kent Lyon, DO is one of 250 emergency medical services (emergency medicine) physician records with a practice address in Texas. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 78% of them.
- NPI issued2007 · 78% of these records are older, 18% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2007 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Texas
There are 250 emergency medical services (emergency medicine) physician records in Texas.
All 250 in Texas → Every provider in Nacogdoches → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Sandeep Gupta, M.D.Arlington, TX 760121861441081
- Jan Cochrum, M.D.Hurst, TX 760541508925546
- Burres Garrison, D. O.Mineral Wells, TX 760671174587356
- Timothy Jones, MDFort Worth, TX 761041033196043
- Nejla Shami, M.D.Palestine, TX 758011710938683
- Richard Wagner, M.D.Palestine, TX 758011881647956
- Michael Richey, MDFort Worth, TX 761321740233543
- John Griswell, M.D.Fort Worth, TX 761341902861610
Common questions
What is Malcolm Kent Lyon, DO's NPI number?
Malcolm Kent Lyon, DO's National Provider Identifier (NPI) is 1487708624, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Malcolm Kent Lyon, DO located?
The NPPES record lists a practice address at 1204 N Mound St, Nacogdoches, TX, 75961. Phone: (936) 568-8448. Providers update this record themselves, so call before visiting.
How can I verify Malcolm Kent Lyon, DO's license?
NPPES lists Texas license number F9762, 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 Malcolm Kent Lyon, DO prescribe under Medicare Part D?
In 2024, Malcolm Kent Lyon, DO had 293 Medicare Part D claims for 22 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.