Clinical Support Services, LLC
NPI 1659503217 · Nurse Practitioner · Saint Louis, MO
Clinical Support Services, LLC is a Nurse Practitioner organization in Saint Louis, MO (NPI 1659503217).
Provider details
- NPI number
- 1659503217
- Entity type
- Organization
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Ellen Miller, Nurse Practitioner(618) 558-3955
- License
- 209001766 (IL)
Specialties & taxonomies
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
16 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
- 2009-08-17
- Last updated
- 2009-11-30
Frequently asked questions
- What is Clinical Support Services, LLC's NPI number?
- Clinical Support Services, LLC's National Provider Identifier (NPI) is 1659503217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clinical Support Services, LLC?
- Clinical Support Services, LLC is classified in the NPPES registry as Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Clinical Support Services, LLC located?
- Clinical Support Services, LLC's practice location on file with NPPES is 1501 Locust St Apt 906, Saint Louis, MO 63103-1847.
- What is Clinical Support Services, LLC's phone number?
- The practice phone number listed in the NPPES registry for Clinical Support Services, LLC is (618) 558-3955.
- Who is the authorized official for Clinical Support Services, LLC?
- The authorized official listed on Clinical Support Services, LLC's NPPES record is Ellen Miller, Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clinical Support Services, LLC's NPI active?
- Yes — Clinical Support Services, LLC's NPI (1659503217) is active in the NPPES registry as of the last update on 2009-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.