Leroy E. Fredericks, M.D.
Hematology & Oncology Physician · Lake Charles, LA
Leroy E. Fredericks, M.D. is a hematology & oncology physician with a practice address in Lake Charles, Louisiana, and NPI 1043335755, issued on Mar 20, 2007. Check the license (Louisiana MD10005R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leroy E. Fredericks
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD10005R LA
Self-reported in NPPES; status is on the state search - Practice location
- 2770 3RD Ave Ste 210, Lake Charles, LA 70601
- Phone
- (337) 494-6768
- Enumerated
- Mar 20, 2007
- Record last updated
- Apr 27, 2022
- Fax
- (337) 494-6792
- Medicaid ID
- 1491217 LA
- Medicare enrollment
- Enrolled (PECOS I20090520000497); may accept Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1997
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 188 in Louisiana → Look up another NPI →
Also registered at 2770 3RD Ave Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alisha Bernard, ANP-BCFamily Nurse Practitioner1942819131
- Michael Broussard, M.D.Hematology & Oncology Physician1699890376
- Hannah Cupit Barmore, APRNFamily Nurse Practitioner1912760224
- Mohammad Khan, M.D.Hematology & Oncology Physician1427010685
- Lacey Vasilakis, FNP-CNurse Practitioner1083056915
Verify Leroy E. Fredericks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD10005RCheck 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% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,013 Medicare Part D claims for 189 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 122 claims were for opioids.
Most prescribed
- Anastrozole281 claims
- Oxycodone-Acetaminophen66 claims
- Ondansetron Hcl56 claims
- Hydroxyurea31 claims
- Imbruvica29 claims
- Alprazolam25 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: $2,970.15
143 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Leroy E. Fredericks among 188 hematology & oncology physician records in Louisiana
Leroy E. Fredericks, M.D. is one of 188 hematology & oncology physician records with a practice address in Louisiana. 89% 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 49% of them.
- NPI issued2007 · 49% of these records are older, 40% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1997 · median 2005 among the 144 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Louisiana
There are 188 hematology & oncology physician records in Louisiana.
All 188 in Louisiana → Every provider in Lake Charles → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Michael Bergeron, M.D.Lake Charles, LA 706011265558308
- Michael Broussard, M.D.Lake Charles, LA 706011699890376
- Henry Goolsby, M.D.Lake Charles, LA 706011538109988
- Mohammad Khan, M.D.Lake Charles, LA 706011427010685
- Kamran Shahid, MDLake Charles, LA 706051336370642
- Mahesh Pandya, M.D.Deridder, LA 706341457353344
- Mark Charbonnet, MDNew Iberia, LA 705631891718177
- Hossam Abdel-Rahman, MEDIAL DOCTORMamou, LA 705541164485173
Common questions
What is Leroy E. Fredericks, M.D.'s NPI number?
Leroy E. Fredericks, M.D.'s National Provider Identifier (NPI) is 1043335755, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leroy E. Fredericks, M.D. located?
The NPPES record lists a practice address at 2770 3RD Ave Ste 210, Lake Charles, LA, 70601. Phone: (337) 494-6768. Providers update this record themselves, so call before visiting.
How can I verify Leroy E. Fredericks, M.D.'s license?
NPPES lists Louisiana license number MD10005R, 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 Leroy E. Fredericks, M.D. prescribe under Medicare Part D?
In 2024, Leroy E. Fredericks, M.D. had 1,013 Medicare Part D claims for 189 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.