Joseph Blackman, MD
NPI 1285523456 · Emergency Medicine Physician · Charleston, SC
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Blackman, MD is a Emergency Medicine Physician provider in Charleston, SC (NPI 1285523456).
Provider details
- NPI number
- 1285523456
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- LL94959 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-07-01
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Joseph Blackman's NPI number?
- Joseph Blackman's National Provider Identifier (NPI) is 1285523456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Blackman's specialty?
- Joseph Blackman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Blackman located?
- Joseph Blackman's practice location on file with NPPES is 169 Ashley Avenue, Charleston, SC 29425.
- What is Joseph Blackman's phone number?
- The practice phone number listed in the NPPES registry for Joseph Blackman is (843) 876-8023.
- Does Joseph Blackman accept Medicare?
- Joseph Blackman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Blackman's NPI active?
- Yes — Joseph Blackman's NPI (1285523456) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.