Charles Blackburn, FNP-BC
NPI 1821449679 · Family Nurse Practitioner · Saint Clair, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Blackburn, FNP-BC is a Family Nurse Practitioner provider in Saint Clair, MO (NPI 1821449679).
Provider details
- NPI number
- 1821449679
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2016019132 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
653 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 | 116 | $99 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 59 | $50 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $70 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus87502 | 52 | $94 |
| X-Ray of Chest, 2 Views71046 | 49 | $24 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 57 | 56 |
| Mupirocin | 47 | 46 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 43 | 42 |
| Cephalexin | 42 | 42 |
| Doxycycline Monohydrate | 40 | 39 |
| Famotidine | 30 | 28 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$151 across 8 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
Additional practice locations (1)
- 800 W 9th StJasper, IN 47546-2514Phone: (812) 996-2345
Registry dates
- Enumerated
- 2016-06-23
- Last updated
- 2024-09-25
- Certified
- 2024-09-25
Frequently asked questions
- What is Charles Blackburn's NPI number?
- Charles Blackburn's National Provider Identifier (NPI) is 1821449679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Blackburn's specialty?
- Charles Blackburn is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Charles Blackburn located?
- Charles Blackburn's practice location on file with NPPES is 1001 Cardwell St, Saint Clair, MO 63077-1094.
- What is Charles Blackburn's phone number?
- The practice phone number listed in the NPPES registry for Charles Blackburn is (636) 629-3300.
- Does Charles Blackburn accept Medicare?
- Charles Blackburn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Blackburn's NPI active?
- Yes — Charles Blackburn's NPI (1821449679) is active in the NPPES registry as of the last update on 2024-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.