William J Grisaitis MD PA
NPI 1831375435 · Medical Specialty Clinic/Center · Maitland, FL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William J Grisaitis MD PA is a Medical Specialty Clinic/Center organization in Maitland, FL (NPI 1831375435).
Provider details
- NPI number
- 1831375435
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- William Grisaitis, Owner(407) 644-9030
- License
- ME35814 (FL)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2008-01-14
- Last updated
- 2010-08-13
Frequently asked questions
- What is William J Grisaitis MD PA's NPI number?
- William J Grisaitis MD PA's National Provider Identifier (NPI) is 1831375435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William J Grisaitis MD PA?
- William J Grisaitis MD PA is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is William J Grisaitis MD PA located?
- William J Grisaitis MD PA's practice location on file with NPPES is 331 N Maitland Ave, Maitland, FL 32751-4762.
- What is William J Grisaitis MD PA's phone number?
- The practice phone number listed in the NPPES registry for William J Grisaitis MD PA is (407) 644-9030.
- Does William J Grisaitis MD PA accept Medicare?
- William J Grisaitis MD PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for William J Grisaitis MD PA?
- The authorized official listed on William J Grisaitis MD PA's NPPES record is William Grisaitis, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William J Grisaitis MD PA's NPI active?
- Yes — William J Grisaitis MD PA's NPI (1831375435) is active in the NPPES registry as of the last update on 2010-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.