Julio Guillen, M.D.
NPI 1851393060 · Internal Medicine Physician · New Orleans, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julio Guillen, M.D. is a Internal Medicine Physician provider in New Orleans, LA (NPI 1851393060).
Provider details
- NPI number
- 1851393060
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 024214 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,365 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 455 | $71 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 236 | $103 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 223 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 107 | $114 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 93 | $109 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 143 | 24 |
| Pantoprazole Sodium | 93 | 19 |
| Amlodipine Besylate | 88 | 32 |
| Escitalopram Oxalate | 87 | 16 |
| Apixabanbrand: Eliquis | 70 | 14 |
| Metoprolol Succinate | 70 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$229 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-01
- Last updated
- 2012-05-30
Frequently asked questions
- What is Julio Guillen's NPI number?
- Julio Guillen's National Provider Identifier (NPI) is 1851393060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julio Guillen's specialty?
- Julio Guillen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Julio Guillen located?
- Julio Guillen's practice location on file with NPPES is 3801 General Degaulle Dr, New Orleans, LA 70114-8207.
- What is Julio Guillen's phone number?
- The practice phone number listed in the NPPES registry for Julio Guillen is (504) 362-2829.
- Does Julio Guillen accept Medicare?
- Julio Guillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julio Guillen's NPI active?
- Yes — Julio Guillen's NPI (1851393060) is active in the NPPES registry as of the last update on 2012-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.