William M Demarchi MD PA
NPI 1942496633 · Internal Medicine Physician · Boca Raton, FL
William M Demarchi MD PA is a Internal Medicine Physician organization in Boca Raton, FL (NPI 1942496633).
Provider details
- NPI number
- 1942496633
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Demarchi, President(561) 451-2454
- License
- ME73867 (FL)
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
18 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
- 2007-09-17
- Last updated
- 2007-09-17
Frequently asked questions
- What is William M Demarchi MD PA's NPI number?
- William M Demarchi MD PA's National Provider Identifier (NPI) is 1942496633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William M Demarchi MD PA?
- William M Demarchi MD PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William M Demarchi MD PA located?
- William M Demarchi MD PA's practice location on file with NPPES is 9878 Clint Moore Rd, Boca Raton, FL 33496-1037.
- What is William M Demarchi MD PA's phone number?
- The practice phone number listed in the NPPES registry for William M Demarchi MD PA is (561) 451-2454.
- Who is the authorized official for William M Demarchi MD PA?
- The authorized official listed on William M Demarchi MD PA's NPPES record is William Demarchi, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William M Demarchi MD PA's NPI active?
- Yes — William M Demarchi MD PA's NPI (1942496633) is active in the NPPES registry as of the last update on 2007-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.