NPPES file of Aug 9, 2026

John M. Rainey, M.D.

Hematology & Oncology Physician · Lafayette, LA

John M. Rainey, M.D. is a hematology & oncology physician with a practice address in Lafayette, Louisiana, and NPI 1003887100, issued on Jan 28, 2006. Check the license (Louisiana 012223, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003887100
Name
John M. Rainey
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
012223 LA
Self-reported in NPPES; status is on the state search
Practice location
501 W Saint Mary Blvd, Lafayette, LA 70506
Phone
(337) 235-7898
Enumerated
Jan 28, 2006
Record last updated
Jul 13, 2026
Fax
(337) 235-7445
Medicaid ID
1182869 LA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 501 W Saint Mary Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha Ashcraft, PA-CMedical Physician Assistant1366858904
  2. Walter Borg, M.D.Specialist1154336808
  3. Nicole Comeaux, MS CCC-SLPSpeech-Language Pathologist1124795133
  4. Patricia Cran, M.D.Internal Medicine Physician1902943814
  5. John Dartez, N.P.Family Nurse Practitioner1609076389
  6. Karen Deshotel, MSN,FNPCNurse Practitioner1326019258

Verify John M. Rainey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 012223
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Louisiana license search

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61% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

341 Medicare Part D claims for 35 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. John Rainey341
  2. Specialty average877

Most prescribed

  1. Jardiance26 claims
  2. Tradjenta25 claims
  3. Latanoprost20 claims
  4. Atorvastatin Calcium16 claims
  5. Fluticasone Propionate13 claims
  6. Metoclopramide Hcl13 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: $23.21

1 payment: food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. 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.

  1. John Rainey$23.21
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John M. Rainey among 188 hematology & oncology physician records in Louisiana

John M. Rainey, 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 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 51% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2026 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Sudhir Aggarwal, M.D.Lafayette, LA 705061972568715
  2. Sweekriti Adhikari, D.O.Lafayette, LA 705081568723716
  3. Leigh Deshotels, MDLafayette, LA 705081003311895
  4. Chancellor Donald, M.D.Lafayette, LA 705081487690376
  5. Wissam Hanayneh, MDLafayette, LA 705081679094189
  6. Dakota Jenneman, DOLafayette, LA 705081356846778
  7. Elias Moussaly, M.D.Lafayette, LA 705081629482740
  8. David Rinaldi, M.D.Lafayette, LA 705081649241746

Common questions

What is John M. Rainey, M.D.'s NPI number?

John M. Rainey, M.D.'s National Provider Identifier (NPI) is 1003887100, issued on Jan 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John M. Rainey, M.D. located?

The NPPES record lists a practice address at 501 W Saint Mary Blvd, Lafayette, LA, 70506. Phone: (337) 235-7898. Providers update this record themselves, so call before visiting.

How can I verify John M. Rainey, M.D.'s license?

NPPES lists Louisiana license number 012223, 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 John M. Rainey, M.D. prescribe under Medicare Part D?

In 2024, John M. Rainey, M.D. had 341 Medicare Part D claims for 35 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.