Mary Lou Applebaum, MD
NPI 1457322042 · Internal Medicine Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lou Applebaum, MD is a Internal Medicine Physician provider in Charleston, SC (NPI 1457322042).
Provider details
- NPI number
- 1457322042
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 12969 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES 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
- 2006-01-31
- Last updated
- 2015-10-19
Frequently asked questions
- What is Mary Lou Applebaum's NPI number?
- Mary Lou Applebaum's National Provider Identifier (NPI) is 1457322042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lou Applebaum's specialty?
- Mary Lou Applebaum is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Lou Applebaum located?
- Mary Lou Applebaum's practice location on file with NPPES is 316 Calhoun St, Charleston, SC 29401-1113.
- What is Mary Lou Applebaum's phone number?
- The practice phone number listed in the NPPES registry for Mary Lou Applebaum is (843) 724-2450.
- Does Mary Lou Applebaum accept Medicare?
- Mary Lou Applebaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lou Applebaum's NPI active?
- Yes — Mary Lou Applebaum's NPI (1457322042) is active in the NPPES registry as of the last update on 2015-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.