Charles Mullen, MD
NPI 1447358478 · Critical Care Medicine (Internal Medicine) Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Mullen, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Greenville, SC (NPI 1447358478).
Provider details
- NPI number
- 1447358478
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9455 (SC)
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
694 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 159 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 135 | $120 |
| Test to Measure Expiratory Airflow and Volume94010 | 107 | $24 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $84 |
| Critical Care, First 30-74 Minutes99291 | 50 | $200 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 382 | 86 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 274 | 89 |
| Prednisone | 115 | 78 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 106 | 18 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 61 | 20 |
| Montelukast Sodium | 60 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$102 across 6 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
- 2006-09-21
- Last updated
- 2007-12-06
Frequently asked questions
- What is Charles Mullen's NPI number?
- Charles Mullen's National Provider Identifier (NPI) is 1447358478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Mullen's specialty?
- Charles Mullen is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Mullen located?
- Charles Mullen's practice location on file with NPPES is 3 Saint Francis Dr, Greenville, SC 29601-3971.
- What is Charles Mullen's phone number?
- The practice phone number listed in the NPPES registry for Charles Mullen is (864) 233-8063.
- Does Charles Mullen accept Medicare?
- Charles Mullen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Mullen's NPI active?
- Yes — Charles Mullen's NPI (1447358478) is active in the NPPES registry as of the last update on 2007-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.