PA Staffing
NPI 1104600451 · Medical Physician Assistant · Chesterfield, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1104600451
- Entity type
- Organization
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Joseph Grassino, Owner(314) 608-9438
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Surgical Physician Assistant363AS0400X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 10114 Kennerly RdSaint Louis, MO 63128-2183Phone: (314) 948-2000
- 615 S New Ballas RdSaint Louis, MO 63141-8221Phone: (314) 251-6090
Registry dates
- Enumerated
- 2023-08-18
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.