William Bulsiewicz, MD, MSCI
NPI 1821247693 · Gastroenterology Physician · Mount Pleasant, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Bulsiewicz, MD, MSCI is a Gastroenterology Physician provider in Mount Pleasant, SC (NPI 1821247693).
Provider details
- NPI number
- 1821247693
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MSCI
- Sex
- Male
- Sole proprietor
- No
- License
- 72194 (GA)
Specialties & taxonomies
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
17 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
- 2008-09-16
- Last updated
- 2017-02-23
Frequently asked questions
- What is William Bulsiewicz's NPI number?
- William Bulsiewicz's National Provider Identifier (NPI) is 1821247693, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bulsiewicz's specialty?
- William Bulsiewicz is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Bulsiewicz located?
- William Bulsiewicz's practice location on file with NPPES is 1300 Hospital Dr, Mount Pleasant, SC 29464-3261.
- What is William Bulsiewicz's phone number?
- The practice phone number listed in the NPPES registry for William Bulsiewicz is (843) 884-5200.
- Does William Bulsiewicz accept Medicare?
- William Bulsiewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Bulsiewicz's NPI active?
- Yes — William Bulsiewicz's NPI (1821247693) is active in the NPPES registry as of the last update on 2017-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.