Ronald Lahasky, M.D.
Internal Medicine Physician · Abbeville, LA
Ronald Lahasky, M.D. is an internal medicine physician with a practice address in Abbeville, Louisiana, and NPI 1487768214, issued on Aug 18, 2006. Check the license (Louisiana 20878, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ronald Lahasky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20878 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2621 North Dr Ste B, Abbeville, LA 70510
- Phone
- (337) 898-1860
- Enumerated
- Aug 18, 2006
- Entity
- Type 1 · individual
Verify Ronald Lahasky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 20878Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
16.8 times the Medicare Part D claims of the average internal medicine physician in 2024
46,715 Medicare Part D claims for 1,242 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 1,704 claims were for opioids.
Most prescribed
- Furosemide1,594 claims
- Levothyroxine Sodium1,566 claims
- Amlodipine Besylate1,222 claims
- Pantoprazole Sodium1,192 claims
- Atorvastatin Calcium1,181 claims
- Potassium Chloride1,001 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: $1,197.99
67 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- Abbeville General HospitalAbbeville, LA · Acute Care Hospitals3 of 5 stars
- Vermillion Parish Hospital Service District NO 2Abbeville, LA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
5 internal medicine physician records list a Abbeville practice address
They are 5 of the 260 NPPES records with a Abbeville practice address, and 1,870 internal medicine physician records in Louisiana.
All 5 in Abbeville → All 1,870 in Louisiana → Every provider in Abbeville →
Other internal medicine physician records in Louisiana
- Alfred Abaunza, M.D.New Orleans, LA1093994287
- Mokhtar AbdallahBaton Rouge, LA1285050799
- David Abdehou, MDShreveport, LA1568471993
- Mazin Abdelghany, MDCovington, LA1427430669
- Youssef Abdelmalek, M.DAlexandria, LA1639553233
- Mary Abell, M.D.New Orleans, LA1083631089
- Halim Abou-Faycal, MDShreveport, LA1942241708
- Niksad Abraham, MDGonzales, LA1033246970
- Shaun Abraham, M.D.Baton Rouge, LA1174883722
- Shema Abraham, M.DLafayette, LA1285053405
Common questions
What is Ronald Lahasky, M.D.'s NPI number?
Ronald Lahasky, M.D.'s National Provider Identifier (NPI) is 1487768214, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Lahasky, M.D. located?
The NPPES record lists a practice address at 2621 North Dr Ste B, Abbeville, LA, 70510. Phone: (337) 898-1860. Providers update this record themselves, so call before visiting.
How can I verify Ronald Lahasky, M.D.'s license?
NPPES lists Louisiana license number 20878, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald Lahasky, M.D. prescribe under Medicare Part D?
In 2024, Ronald Lahasky, M.D. had 46,715 Medicare Part D claims for 1,242 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.