Active NPI
Julio C Guillen Jr., M.D.
- Internal Medicine Physician
- New Orleans, LA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 024214
- Practice address
- 3801 General Degaulle Dr
New Orleans, LA 70114-8207 - Phone
- (504) 362-2829
- Fax
- (504) 362-2866
- NPI assigned
- Jun 1, 2005
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 024214 | LA | Primary |
Addresses
Primary practice location
3801 General Degaulle Dr
New Orleans, LA 70114-8207
Mailing address
2235 Palmer Ave
New Orleans, LA 70118-6369
Phone (504) 393-2775
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1572462 | Medicaid | LA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in LA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Louisiana State University School of Medicine in Shreveport, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
4200 Houma Blvd
FL 6
Metairie, LA 70006-2970
Phone (504) 503-4331
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 024214 | LA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dr Douglas Mehaffie MD LLC | Internal Medicine | Current | Accepting new patients |
| East Jefferson Physicians Group LLC | Internal Medicine | Current | Accepting new patients |
| Julio C. Guillen, Jr. MD LLC | Internal Medicine | Current | Accepting new patients |
| The Hospitalist Practice | Internal Medicine | Past | Accepting new patients |
| University Healthcare System, L.C. | Past | Accepting new patients | |
| St Margarets Home Health and Hospice, LLC | Past | Accepting new patients | |
| The St. Margaret's Daughters | Past | Accepting new patients | |
| Hector M. Cabrera, MD, a Professional Medical Corporation | Past | Accepting new patients |
Locations
148 Wall Blvd
Gretna, LA 70056
Phone (504) 393-2273
1050 Medical Center Blvd
Marrero, LA 70072
Phone (504) 347-0777
1101 Medical Center Blvd
Marrero, LA 70072
Phone (504) 347-5511
4200 Houma Blvd
Fl 6
Metairie, LA 70006
Phone (504) 503-4331
4300 Houma Blvd
Ste 202
Metairie, LA 70006
Phone (504) 503-6791
4200 Houma Blvd
Metairie, LA 70006
Phone (504) 454-4028
4224 Houma Blvd
Ste 520
Metairie, LA 70006
Phone (504) 885-4003
4320 Houma Blvd
Fl 6
Metairie, LA 70006
Phone (504) 503-4109
231 N Carrollton Ave
Ste B
New Orleans, LA 70119
Phone (504) 218-4853
Ownership & related parties
All facility ownership & control disclosures 2
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| St. Margaret's Daughters Home | Skilled nursing facility | Adp of the SNF | Sep 5, 2025 |
| St. Margaret's Hospice | Hospice | Contracted Managing Employee | May 1, 2022 |
Owned or controlled facilities with NPI records 2
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- Community Based Hospice Care Agency
- Gretna, LA
- NPI 1316114093
Contracted Managing Employee
-
dba St. Margaret's Daughters' Home
- Skilled Nursing Facility
- New Orleans, LA
- NPI 1821006487
Adp of the SNF
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- New Orleans, LA
- NPI 1922293372
-
- Internal Medicine Physician
- New Orleans, LA
- NPI 1669846754
-
dba The Urgent Care
- Urgent Care Clinic/Center
- Gretna, LA
- NPI 1669409199
Internal Medicine
-
- Internal Medicine Physician
- Gretna, LA
- NPI 1821034620
-
- Family Medicine Physician
- New Orleans, LA
- NPI 1205123940
-
- Community Based Hospice Care Agency
- Gretna, LA
- NPI 1316114093
-
dba St. Margaret's Daughters' Home
- Skilled Nursing Facility
- New Orleans, LA
- NPI 1821006487
-
dba East Jefferson General Hospital
- General Acute Care Hospital
- Metairie, LA
- NPI 1497792527
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Community Based Hospice Care Agency
- Gretna, LA
- NPI 1316114093
-
dba St. Margaret's Daughters' Home
- Skilled Nursing Facility
- New Orleans, LA
- NPI 1821006487
Nursing home
-
- General Acute Care Hospital
- New Orleans, LA
- NPI 1033611454
-
dba East Jefferson General Hospital
- General Acute Care Hospital
- Metairie, LA
- NPI 1497792527
-
dba East Jefferson General Hospital
- Skilled Nursing Facility
- Metairie, LA
- NPI 1598267890
Nursing home
-
dba Lakeview Regional Behavioral Health
- Psychiatric Hospital Unit
- Covington, LA
- NPI 1790722825
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1117584000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1338336000000",
"number": "1851393060",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2235 PALMER AVE",
"city": "NEW ORLEANS",
"state": "LA",
"postal_code": "701186369",
"telephone_number": "504-393-2775",
"fax_number": "504-393-2744"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3801 GENERAL DEGAULLE DR",
"city": "NEW ORLEANS",
"state": "LA",
"postal_code": "701148207",
"telephone_number": "504-362-2829",
"fax_number": "504-362-2866"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUILLEN",
"first_name": "JULIO",
"middle_name": "C",
"name_prefix": "Dr.",
"name_suffix": "Jr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2005-06-01",
"last_updated": "2012-05-30",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "LA",
"license": "024214",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1572462",
"state": "LA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in New Orleans, LA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 30, 2012; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.