Charles Mary, MD
NPI 1780891523 · Internal Medicine Physician · Metairie, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Mary, MD is a Internal Medicine Physician provider in Metairie, LA (NPI 1780891523).
Provider details
- NPI number
- 1780891523
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 023420 (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
19 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
1,023 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 198 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 163 | $87 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 153 | $14 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 148 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 126 | $40 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 441 | 376 |
| Prednisone | 292 | 270 |
| Meloxicam | 77 | 76 |
| Tizanidine Hcl | 74 | 69 |
| Ciprofloxacin Hcl | 61 | 59 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 50 | 47 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 49 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 2 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
- 2007-05-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Mary's NPI number?
- Charles Mary's National Provider Identifier (NPI) is 1780891523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Mary's specialty?
- Charles Mary is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Mary located?
- Charles Mary's practice location on file with NPPES is 3813 N Causeway Blvd, Metairie, LA 70002-1724.
- What is Charles Mary's phone number?
- The practice phone number listed in the NPPES registry for Charles Mary is (504) 833-4338.
- Does Charles Mary accept Medicare?
- Charles Mary is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Mary's NPI active?
- Yes — Charles Mary's NPI (1780891523) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.