Dr. Curtis Clifton Chastain II, MD
- Part D claims, 2024
- 838
- Industry payments
- $1,511
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 7777 Hennessey Blvd, Suite 5000, Baton Rouge, LA 70808
- Practice phone
- Call (225) 214-6688
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Regional Eye Surgery Center - Baton Rouge
Surgery Center - Medicare-Certified · Baton Rouge, Louisiana
Find Dr. Chastain's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Curtis Clifton Chastain II is an internist in Baton Rouge, Louisiana
Dr. Chastain practices at Regional Eye Surgery Center - Baton Rouge in Baton Rouge, Louisiana.
Dr. Chastain's NPI, 1144220906, was assigned on July 22, 2005. Dr. Chastain holds Louisiana license MD.019413.
- NPI
- 1144220906NPI Registry (opens in a new tab)
- NPI enumeration date
- July 22, 2005
- NPI status
- Active
- Practice phone
- (225) 214-6688
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Curtis Clifton Chastain II practices at Regional Eye Surgery Center - Baton Rouge in Baton Rouge, Louisiana
Dr. Chastain's primary practice is Regional Eye Surgery Center - Baton Rouge, at 7777 Hennessey Blvd, Suite 5000, Baton Rouge, LA 70808. The practice phone is (225) 214-6688.
- Regional Eye Surgery Center - Baton Rouge7777 Hennessey Blvd, Suite 5000, Baton Rouge, LA 70808Phone(225) 214-6688
Source: Dmand AI Affiliation Data
Dr. Curtis Clifton Chastain II is affiliated with 2 sites of care and 1 medical group
Dr. Chastain's primary practice is Regional Eye Surgery Center - Baton Rouge in Baton Rouge, Louisiana. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Dr. Chastain to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Curtis Clifton Chastain II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chastain practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regional Eye Surgery Center - Baton Rouge | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Curtis Clifton Chastain II is one of 1,571 internists in Louisiana
Internal medicine is Dr. Chastain's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chastain is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. Chastain
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Curtis Clifton Chastain II's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Chastain's median patient age at 60, with 7% women.
Dr. Chastain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women7%
- Men92%
Source: Dmand AI Patient Panel Data
Dr. Curtis Clifton Chastain II wrote 838 Medicare Part D claims in 2024
In 2024, Dr. Chastain wrote 838 Medicare Part D claims for 112 patients. 87% of them were for generic drugs. CMS names the drug for 462 of them, across 21 drugs with 11 or more claims each, at $32,784 in total drug cost. In 2023, CMS named 503 claims across 23 drugs.
Dr. Chastain's Part D claims by kind of drug, 2024
- Generic732 claims87%
- Brand-name and other106 claims13%
Dr. Chastain's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chastain's Part D claims, 2024
- Antibiotics4%32 of 838 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5032024: 4628%
Drugs named by CMS: 21 in 2024, 23 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Curtis Clifton Chastain II received $1,511 in industry payments from 2016 to 2025
CMS Open Payments shows 105 general payments to Dr. Chastain from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $392.
General payments to Dr. Chastain by program year, 2016 to 2025
Companies that paid Dr. Chastain the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Curtis Clifton Chastain II's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Curtis Clifton Chastain II
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What is Dr. Curtis Clifton Chastain II's NPI number?
Dr. Curtis Clifton Chastain II's NPI number is 1144220906. It was assigned on July 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Curtis Clifton Chastain II?
Dr. Curtis Clifton Chastain II is an internist in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Curtis Clifton Chastain II practice?
Dr. Chastain practices at 7777 Hennessey Blvd, Suite 5000, Baton Rouge, LA 70808. Dr. Chastain's primary practice is Regional Eye Surgery Center - Baton Rouge in Baton Rouge, Louisiana. Dmand AI also links Dr. Chastain to 1 group practice or clinic.
What is Dr. Curtis Clifton Chastain II's office phone number?
The practice phone on file for Dr. Chastain is (225) 214-6688.
What is Dr. Curtis Clifton Chastain II's medical license number?
Dr. Chastain holds Louisiana license MD.019413.
What medical group is Dr. Curtis Clifton Chastain II part of?
Dr. Chastain is linked to Our Lady of the Lake Physician Group.
What drugs does Dr. Curtis Clifton Chastain II prescribe most?
In 2024 Medicare Part D data, Dr. Chastain's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Rosuvastatin Calcium.
Has Dr. Curtis Clifton Chastain II received payments from drug or device companies?
CMS Open Payments shows $1,511 in general payments to Dr. Chastain from 21 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Curtis Clifton Chastain II been practicing?
Dr. Chastain's NPI was assigned in 2005.
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