Derek Rainwater, MD
Endocrinology, Diabetes & Metabolism Physician · Bossier City, LA
Derek Rainwater, MD is an endocrinology, diabetes & metabolism physician with a practice address in Bossier City, Louisiana, and NPI 1548767437, issued on Apr 9, 2018. Check the license (Louisiana 324395, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Derek Rainwater
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 324395 LA
Self-reported in NPPES; status is on the state search - Practice location
- 5341 Airline Drive, Bossier City, LA 71111
- Phone
- (318) 935-1810
- Enumerated
- Apr 9, 2018
- Record last updated
- Jan 30, 2026
- Fax
- (318) 935-1867
- Medicare enrollment
- Enrolled (PECOS I20201210000224); may accept Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 106 in Louisiana → Look up another NPI →
Verify Derek Rainwater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 324395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,370 Medicare Part D claims for 161 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.
Most prescribed
- Mounjaro126 claims
- Toujeo Max Solostar114 claims
- Ozempic80 claims
- Synjardy Xr79 claims
- Levothyroxine Sodium76 claims
- Tresiba Flextouch U-20062 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: $2,393.36
59 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Derek Rainwater among 106 endocrinology, diabetes & metabolism physician records in Louisiana
Derek Rainwater, MD is one of 106 endocrinology, diabetes & metabolism physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 91% of them.
- NPI issued2018 · 91% of these records are older, 5% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2007 among the 74 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Louisiana
There are 106 endocrinology, diabetes & metabolism physician records in Louisiana.
All 106 in Louisiana → Every provider in Bossier City → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Mary Albritton, M.D.Bossier City, LA 711111275744112
- Laura Kimball-Ravari, MDBossier City, LA 711111861437543
- Sirisha Reddy Thambuluru, MDShreveport, LA 711061669907440
- Dakota Boston, MDShreveport, LA 711051962899971
- Donna Rushing, MDShreveport, LA 711051205830056
- Binod Pokhrel, MDShreveport, LA 711041033544465
- Kamal Bhusal, MDShreveport, LA 711031619132933
- Michelle Chico, M.D.Shreveport, LA 711031053504662
Common questions
What is Derek Rainwater, MD's NPI number?
Derek Rainwater, MD's National Provider Identifier (NPI) is 1548767437, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Derek Rainwater, MD located?
The NPPES record lists a practice address at 5341 Airline Drive, Bossier City, LA, 71111. Phone: (318) 935-1810. Providers update this record themselves, so call before visiting.
How can I verify Derek Rainwater, MD's license?
NPPES lists Louisiana license number 324395, 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 Derek Rainwater, MD prescribe under Medicare Part D?
In 2024, Derek Rainwater, MD had 1,370 Medicare Part D claims for 161 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.