Karen W. Simpson, MD
Anatomic Pathology & Clinical Pathology Physician · Opelousas, LA
Karen W. Simpson, MD is an anatomic pathology & clinical pathology physician with a practice address in Opelousas, Louisiana, and NPI 1831264373, issued on Nov 21, 2006. Check the license (Louisiana 025694, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karen W. Simpson
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 025694 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1268 Attakapas Dr, Opelousas, LA 70570
- Phone
- (337) 948-8663
- Enumerated
- Nov 21, 2006
- Record last updated
- Apr 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (337) 948-8783
- Medicaid ID
- 1041947 LA
- Medicare enrollment
- Enrolled (PECOS I20070216000525); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 2001
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 224 in Louisiana → Look up another NPI →
Also registered at 1268 Attakapas Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Jarnagin, MDSpecialist1265411797
- Louis Kerkhoff, M.D.Obstetrics & Gynecology Physician1841259959
- Chrissy Lalonde, M.D.Anatomic Pathology & Clinical Pathology Physician1982845277
Verify Karen W. Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 025694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Pathology Group OF Louisiana, A Professional Medical CorporationBaton Rouge, LA
- The Pathology Laboratory, Inc.Lake Charles, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen W. Simpson among 224 anatomic pathology & clinical pathology physician records in Louisiana
Karen W. Simpson, MD is one of 224 anatomic pathology & clinical pathology physician records with a practice address in Louisiana. 69% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 50% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2001 · median 2004 among the 119 with a school on file
- Record last updated2011 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Louisiana
There are 224 anatomic pathology & clinical pathology physician records in Louisiana.
All 224 in Louisiana → Every provider in Opelousas → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Chrissy Lalonde, M.D.Opelousas, LA 705701982845277
- Deborah Lastrapes, M.D.Opelousas, LA 705701174696249
- Lisa Altmann, M.D.New Iberia, LA 705631740353887
- Gillian Redlich, M.D.New Iberia, LA 705631659444701
- Carl Bowling, M.D.Lake Charles, LA 706011518004613
- Regina Burton, MDLake Charles, LA 706011275744781
- Paula Eapen, MDLake Charles, LA 706011740260157
- Brandi Kelly, MDLake Charles, LA 706011205046414
Common questions
What is Karen W. Simpson, MD's NPI number?
Karen W. Simpson, MD's National Provider Identifier (NPI) is 1831264373, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen W. Simpson, MD located?
The NPPES record lists a practice address at 1268 Attakapas Dr, Opelousas, LA, 70570. Phone: (337) 948-8663. Providers update this record themselves, so call before visiting.
How can I verify Karen W. Simpson, MD's license?
NPPES lists Louisiana license number 025694, 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.
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.