Gregory Samuel Lachar, MD
Emergency Medicine Physician · Plano, TX
Gregory Samuel Lachar, MD is an emergency medicine physician with a practice address in Plano, Texas, and NPI 1386620458, issued on Dec 20, 2005. Check the license (Texas L9771, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Samuel Lachar
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L9771 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3901 W 15TH St, Plano, TX 75075
- Phone
- (972) 758-3598
- Enumerated
- Dec 20, 2005
- Record last updated
- Apr 10, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 3901 W 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Samuel Lachar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9771Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average emergency medicine physician in 2024
348 Medicare Part D claims for 225 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 50 claims were for opioids.
Most prescribed
- Ondansetron Odt41 claims
- Methylprednisolone31 claims
- Hydrocodone-Acetaminophen29 claims
- Cefdinir27 claims
- Tramadol Hcl21 claims
- Meclizine Hcl14 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $573.91
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 12,335 providers of this specialty with any payment received $953.79 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.
Gregory Samuel Lachar among 4,885 emergency medicine physician records in Texas
Gregory Samuel Lachar, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Plano → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- James Ball, MDPlano, TX 750751801871686
- Robert Brown, M.D.Plano, TX 750751871579540
- Michael Carrasco, M.D.Plano, TX 750751760467799
- Mark Gamber, D.O.Plano, TX 750751407832173
- John Hall, M.D.Plano, TX 750751861478349
- Richard Honaker, M.D.Plano, TX 750751649256694
- Michael Meek, D.O.Plano, TX 750751689650426
- Shameem Nazeer, MDPlano, TX 750751427034313
Common questions
What is Gregory Samuel Lachar, MD's NPI number?
Gregory Samuel Lachar, MD's National Provider Identifier (NPI) is 1386620458, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Samuel Lachar, MD located?
The NPPES record lists a practice address at 3901 W 15TH St, Plano, TX, 75075. Phone: (972) 758-3598. Providers update this record themselves, so call before visiting.
How can I verify Gregory Samuel Lachar, MD's license?
NPPES lists Texas license number L9771, 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 Gregory Samuel Lachar, MD prescribe under Medicare Part D?
In 2024, Gregory Samuel Lachar, MD had 348 Medicare Part D claims for 225 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Gregory Samuel Lachar, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.