James Robert Ferrer, MD
Dermatology Physician · Baton Rouge, LA
James Robert Ferrer, MD is a dermatology physician with a practice address in Baton Rouge, Louisiana, and NPI 1063096139, issued on May 5, 2021. Check the license (Louisiana 345798, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Robert Ferrer
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 345798 LA
Self-reported in NPPES; status is on the state search - Practice location
- 7855 Jefferson Hwy, Baton Rouge, LA 70809
- Phone
- (225) 214-3199
- Enumerated
- May 5, 2021
- Record last updated
- Sep 11, 2025
- Fax
- (225) 214-8011
- Medicare enrollment
- Enrolled (PECOS I20250627003325); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 2021
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 196 in Louisiana → Look up another NPI →
Also registered at 7855 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill Fruge, MDDermatology Physician1922324714
- Laci Theunissen, M.D.Dermatology Physician1386783280
Verify James Robert Ferrer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 345798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average dermatology physician in 2024
275 Medicare Part D claims for 69 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Dupixent Pen40 claims
- Triamcinolone Acetonide35 claims
- Ketoconazole27 claims
- Tacrolimus25 claims
- Clobetasol Propionate15 claims
- Betamethasone Valerate14 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
- Our Lady OF The Lake Physician Group LLCBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Robert Ferrer among 196 dermatology physician records in Louisiana
James Robert Ferrer, MD is one of 196 dermatology physician records with a practice address in Louisiana. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2021 · median 2006 among the 160 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Louisiana
There are 196 dermatology physician records in Louisiana.
All 196 in Louisiana → Every provider in Baton Rouge → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Jill Fruge, MDBaton Rouge, LA 708091922324714
- Franklin Johnson, M.D.Baton Rouge, LA 708091275522328
- Sarah McGinty, M.D.Baton Rouge, LA 708091164841243
- Errol Quintal, M.D.Baton Rouge, LA 708091033187273
- Azeen Sadeghian, M.D.Baton Rouge, LA 708091104184720
- Laci Theunissen, M.D.Baton Rouge, LA 708091386783280
- Ira Thorla, M.D.Baton Rouge, LA 708091730178047
- Adam Carter, MDBaton Rouge, LA 708081134562861
Common questions
What is James Robert Ferrer, MD's NPI number?
James Robert Ferrer, MD's National Provider Identifier (NPI) is 1063096139, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is James Robert Ferrer, MD located?
The NPPES record lists a practice address at 7855 Jefferson Hwy, Baton Rouge, LA, 70809. Phone: (225) 214-3199. Providers update this record themselves, so call before visiting.
How can I verify James Robert Ferrer, MD's license?
NPPES lists Louisiana license number 345798, 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 James Robert Ferrer, MD prescribe under Medicare Part D?
In 2024, James Robert Ferrer, MD had 275 Medicare Part D claims for 69 beneficiaries; the average among dermatology physician prescribers was 797. 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.