Isolde Fionna Butler, MD, MPH
Internal Medicine Physician · New Orleans, LA
Isolde Fionna Butler, MD, MPH is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1639348915, issued on Feb 21, 2008. Check the license (Louisiana MD.202651, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Isolde Fionna Butler
- Credential
- MD, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD.202651 LA
202651 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1631 Elysian Fields Ave, New Orleans, LA 70117
- Phone
- (504) 821-2601
- Enumerated
- Feb 21, 2008
- Record last updated
- Apr 17, 2026
- Fax
- (888) 736-9806
- Medicaid ID
- 1079685 LA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 1631 Elysian Fields Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Miguel Alonso Solares, RNRegistered Nurse1023952306
- Lauren Arrigo, DNP, APRN, FNP-CFamily Nurse Practitioner1235702515
- Eric Babineaux, DNP, FNP-BC, AAHIVSFamily Nurse Practitioner1205144201
- Paisley Balthazar, LPC, NCCProfessional Counselor1578006326
- Scott Berman, MDFamily Medicine Physician1275265423
Verify Isolde Fionna Butler 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.202651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average internal medicine physician in 2024
5,757 Medicare Part D claims for 174 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 205 claims were for opioids.
Most prescribed
- Gabapentin257 claims
- Atorvastatin Calcium226 claims
- Amlodipine Besylate195 claims
- Biktarvy180 claims
- Omeprazole144 claims
- Albuterol Sulfate Hfa127 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: $167.55
9 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. 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.
Isolde Fionna Butler among 1,749 internal medicine physician records in Louisiana
Isolde Fionna Butler, MD, MPH 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 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).
392 internal medicine physician records list a practice address in New Orleans
They are 392 of the 13,668 NPPES records with a practice address in New Orleans, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in New Orleans → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Robin Ivester, MDNew Orleans, LA 701171437416468
- Benjamin Kalayjian, M.D.New Orleans, LA 701171831584853
- La' Nyia Odoms, MD, MSPH, M.EDNew Orleans, LA 701171104280973
- Hannah Pounds, M.D.New Orleans, LA 701171588989875
- Joseph PrechterNew Orleans, LA 701171891322665
Common questions
What is Isolde Fionna Butler, MD, MPH's NPI number?
Isolde Fionna Butler, MD, MPH's National Provider Identifier (NPI) is 1639348915, issued on Feb 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Isolde Fionna Butler, MD, MPH located?
The NPPES record lists a practice address at 1631 Elysian Fields Ave, New Orleans, LA, 70117. Phone: (504) 821-2601. Providers update this record themselves, so call before visiting.
How can I verify Isolde Fionna Butler, MD, MPH's license?
NPPES lists Louisiana license number MD.202651, 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 Isolde Fionna Butler, MD, MPH prescribe under Medicare Part D?
In 2024, Isolde Fionna Butler, MD, MPH had 5,757 Medicare Part D claims for 174 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.