Marilou Grainger, CRNA
NPI 1376514414 · Certified Registered Nurse Anesthetist · Washington, MO
Marilou Grainger, CRNA is a Certified Registered Nurse Anesthetist provider in Washington, MO (NPI 1376514414).
Provider details
- NPI number
- 1376514414
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- License
- 080485 (MO)
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
20 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
- 2006-01-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilou Grainger's NPI number?
- Marilou Grainger's National Provider Identifier (NPI) is 1376514414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilou Grainger's specialty?
- Marilou Grainger is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilou Grainger located?
- Marilou Grainger's practice location on file with NPPES is 901 E 5th St, Washington, MO 63090-3127.
- What is Marilou Grainger's phone number?
- The practice phone number listed in the NPPES registry for Marilou Grainger is (636) 239-8000.
- Is Marilou Grainger's NPI active?
- Yes — Marilou Grainger's NPI (1376514414) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.