Julio C. Guillen, M.D.
Internal Medicine Physician · New Orleans, LA
Julio C. Guillen, M.D. is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1851393060, issued on Jun 1, 2005. Check the license (Louisiana 024214, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Julio C. Guillen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 024214 LA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 General Degaulle Dr, New Orleans, LA 70114
- Phone
- (504) 362-2829
- Enumerated
- Jun 1, 2005
- Record last updated
- May 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (504) 362-2866
- Medicaid ID
- 1572462 LA
- Medicare enrollment
- Enrolled (PECOS I20040302000605); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 3801 General Degaulle Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Long Nguyen, M.D.General Practice Physician1427438191
Verify Julio C. Guillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 024214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,245 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium143 claims
- Pantoprazole Sodium93 claims
- Amlodipine Besylate88 claims
- Escitalopram Oxalate87 claims
- Eliquis70 claims
- Metoprolol Succinate70 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: $228.54
11 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Bills Medicare through one group practice
- East Jefferson Physicians Group LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julio C. Guillen among 1,749 internal medicine physician records in Louisiana
Julio C. Guillen, 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 fileYes · 70% of these records are
- Graduated1998 · median 2008 among the 1,216 with a school on file
- Record last updated2012 · 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
- Cherie Bragg, MDNew Orleans, LA 701141982798807
- Evita Currie, M.D.New Orleans, LA 701141801947619
- Chukwunomnso Dennar, M.D.New Orleans, LA 701141326153131
- Pooja RoyNew Orleans, LA 701141316569981
- Anthony Bouligny, M.D.New Orleans, LA 701131326184581
- David Brown, MDNew Orleans, LA 701151053314088
- Gungor Eroglu, MDNew Orleans, LA 701151992705073
- Charles Field, M.D.New Orleans, LA 701151164420444
Common questions
What is Julio C. Guillen, M.D.'s NPI number?
Julio C. Guillen, M.D.'s National Provider Identifier (NPI) is 1851393060, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julio C. Guillen, M.D. located?
The NPPES record lists a practice address at 3801 General Degaulle Dr, New Orleans, LA, 70114. Phone: (504) 362-2829. Providers update this record themselves, so call before visiting.
How can I verify Julio C. Guillen, M.D.'s license?
NPPES lists Louisiana license number 024214, 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 Julio C. Guillen, M.D. prescribe under Medicare Part D?
In 2024, Julio C. Guillen, M.D. had 2,245 Medicare Part D claims for 247 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.