Mary Laffey, PNP
NPI 1417232794 · Pediatric Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Laffey, PNP is a Pediatric Nurse Practitioner provider in Saint Louis, MO (NPI 1417232794).
Provider details
- NPI number
- 1417232794
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2011034121 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 1465 S Grand BlvdSaint Louis, MO 63104-1003Phone: (314) 577-5395Fax: (314) 268-6459
Registry dates
- Enumerated
- 2011-10-18
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Mary Laffey's NPI number?
- Mary Laffey's National Provider Identifier (NPI) is 1417232794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Laffey's specialty?
- Mary Laffey is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Laffey located?
- Mary Laffey's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is Mary Laffey's phone number?
- The practice phone number listed in the NPPES registry for Mary Laffey is (314) 251-7552.
- Does Mary Laffey accept Medicare?
- Mary Laffey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Laffey's NPI active?
- Yes — Mary Laffey's NPI (1417232794) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.