Chelsea Marie Dalfrey, DO
Internal Medicine Physician · Baton Rouge, LA
Chelsea Marie Dalfrey, DO is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1811554827, issued on May 24, 2019. Check the license (Louisiana 329239, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Chelsea Marie Dalfrey
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 329239 LA
0116033127 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8150 Jefferson Hwy, Baton Rouge, LA 70809
- Phone
- (225) 336-3100
- Enumerated
- May 24, 2019
- Record last updated
- Mar 10, 2025
- Fax
- (225) 336-3114
- Medicare enrollment
- Enrolled (PECOS I20220329000566); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 8150 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raveen Coon, FNP-CFamily Nurse Practitioner1215690334
- Kristen CorrentFamily Nurse Practitioner1174925333
- Rebecca Meiners, MDFamily Medicine Physician1740264514
- Glynn O'Neill, PA-CPhysician Assistant1952074577
- Shawna Vessell, FNP-CFamily Nurse Practitioner1790401982
Verify Chelsea Marie Dalfrey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 329239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average internal medicine physician in 2024
4,512 Medicare Part D claims for 484 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium268 claims
- Amlodipine Besylate250 claims
- Gabapentin146 claims
- Losartan Potassium144 claims
- Hydrochlorothiazide137 claims
- Levothyroxine Sodium136 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.
Bills Medicare through one group practice
- Ochsner Clinic LLCBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Marie Dalfrey among 1,749 internal medicine physician records in Louisiana
Chelsea Marie Dalfrey, DO 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 2019, is newer than 82% of them.
- NPI issued2019 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2008 among the 1,216 with a school on file
- Record last updated2025 · 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
- Jeryl Breaux, M.D.Baton Rouge, LA 708091801823679
- Lalitha Chalasani, M.D.Baton Rouge, LA 708091447258462
- Vernon Chee, M.D.Baton Rouge, LA 708091255442125
- Alina Fotino, M.D.Baton Rouge, LA 708091457460420
- Mark Garbutt, M.D.Baton Rouge, LA 708091861488793
- Brian Gremillion, M.D.Baton Rouge, LA 708091326049545
- Susan McNamara, MDBaton Rouge, LA 708091770535056
- Bradley Meek, M.D.Baton Rouge, LA 708091659379477
Common questions
What is Chelsea Marie Dalfrey, DO's NPI number?
Chelsea Marie Dalfrey, DO's National Provider Identifier (NPI) is 1811554827, issued on May 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Marie Dalfrey, DO located?
The NPPES record lists a practice address at 8150 Jefferson Hwy, Baton Rouge, LA, 70809. Phone: (225) 336-3100. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Marie Dalfrey, DO's license?
NPPES lists Louisiana license number 329239, 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 Chelsea Marie Dalfrey, DO prescribe under Medicare Part D?
In 2024, Chelsea Marie Dalfrey, DO had 4,512 Medicare Part D claims for 484 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.