Mary Howell, MSN,RN,CPNP
NPI 1396975439 · Pediatric Clinical Nurse Specialist · Saint Louis, MO
Mary Howell, MSN,RN,CPNP is a Pediatric Clinical Nurse Specialist provider in Saint Louis, MO (NPI 1396975439).
Provider details
- NPI number
- 1396975439
- Entity type
- Individual
- Primary specialty
- Pediatric Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN,RN,CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 98300 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2009-07-23
- Last updated
- 2009-07-23
Frequently asked questions
- What is Mary Howell's NPI number?
- Mary Howell's National Provider Identifier (NPI) is 1396975439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Howell's specialty?
- Mary Howell is listed in the NPPES registry with a primary specialty of Pediatric Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Howell located?
- Mary Howell's practice location on file with NPPES is 1465 S Grand Blvd, Saint Louis, MO 63104-1003.
- What is Mary Howell's phone number?
- The practice phone number listed in the NPPES registry for Mary Howell is (314) 268-6439.
- Is Mary Howell's NPI active?
- Yes — Mary Howell's NPI (1396975439) is active in the NPPES registry as of the last update on 2009-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.