Curtis Clifton Chastain, M.D.
Internal Medicine Physician · Baton Rouge, LA
Curtis Clifton Chastain, M.D. is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1144220906, issued on Jul 22, 2005. Check the license (Louisiana MD.019413, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Curtis Clifton Chastain
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD.019413 LA
Self-reported in NPPES; status is on the state search - Practice location
- 7777 Hennessy Blvd, Baton Rouge, LA 70808
- Phone
- (225) 765-4400
- Enumerated
- Jul 22, 2005
- Record last updated
- May 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (225) 765-4440
- Medicaid ID
- 1906239 LA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 7777 Hennessy Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Abbott, O.D.Corneal and Contact Management Optometrist1720038573
- Courtney Adams, MCD,CCC-AAudiologist1114160124
- Rohit Adi, MDEmergency Medicine Physician1912012444
- Charles Afeman, MDOphthalmology Physician1659414183
- Brent Allain, M.D.Surgery Physician1093923583
- Terence Alost, M.D.Emergency Medicine Physician1013974724
Verify Curtis Clifton Chastain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.019413Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average internal medicine physician in 2024
838 Medicare Part D claims for 112 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium54 claims
- Levothyroxine Sodium51 claims
- Rosuvastatin Calcium32 claims
- Zolpidem Tartrate29 claims
- Lisinopril24 claims
- Tamsulosin Hcl23 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: $49.61
3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Curtis Clifton Chastain among 1,749 internal medicine physician records in Louisiana
Curtis Clifton Chastain, M.D. is one of 1,749 internal medicine 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2015 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
256 internal medicine physician records list a practice address in Baton Rouge
They are 256 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Baton Rouge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leo Blaize, M.D.Baton Rouge, LA 708081578563177
- Andre Bonnecaze, M.D.Baton Rouge, LA 708081144221060
- Rachel Gruner, M.D.Baton Rouge, LA 708081306848197
- Charles Halliburton, M.D.Baton Rouge, LA 708081083614721
- Jon Jackson, M.D.Baton Rouge, LA 708081013909118
- Jeri Johnson, M.D.Baton Rouge, LA 708081689674111
- Jeffrey Kahn, MDBaton Rouge, LA 708081134129737
- Martha Paterson, M.D.Baton Rouge, LA 708081154329993
Common questions
What is Curtis Clifton Chastain, M.D.'s NPI number?
Curtis Clifton Chastain, M.D.'s National Provider Identifier (NPI) is 1144220906, issued on Jul 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Curtis Clifton Chastain, M.D. located?
The NPPES record lists a practice address at 7777 Hennessy Blvd, Baton Rouge, LA, 70808. Phone: (225) 765-4400. Providers update this record themselves, so call before visiting.
How can I verify Curtis Clifton Chastain, M.D.'s license?
NPPES lists Louisiana license number MD.019413, 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 Curtis Clifton Chastain, M.D. prescribe under Medicare Part D?
In 2024, Curtis Clifton Chastain, M.D. had 838 Medicare Part D claims for 112 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.