Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Megan Houlahan, AGNP

Individual provider Gerontology Nurse Practitioner · NPI 1972975183

Megan Houlahan, AGNP is a Nurse Practitioner in Clayton, Missouri. Qualified in 2015, 11 years ago. Practices with SSM Medical Group Inc, a 560-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
11
Licensed in
MO
In the registry since
2015
Specialties on file
2
What do these letters mean?
AGNP — Adult-Gerontology Nurse Practitioner
A nurse practitioner focused on adults and older people.

See every abbreviation used in this directory →

Practice location Address checks out

401 Corporate Park Dr
Clayton, MO 63105-4201
Phone: (636) 288-4149
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 998 Woods Mill Rd, Ballwin, MO 63011-5101 — (636) 288-4149
  • 11160 Village North Dr, Jennings, MO 63136-6159 — (636) 288-4149
  • 4455 Duncan Ave, Saint Louis, MO 63110-1111 — (636) 288-4149
  • 3655 Vista Ave, Saint Louis, MO 63110-2539 — (314) 268-7700
  • 5400 Executive Centre Pkwy, Saint Peters, MO 63376-2594 — (636) 288-4149
  • 10 Hospital Dr Fl 3, Saint Peters, MO 63376-1659 — (636) 288-4149

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 2015038454 (MO)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence 2015038454 (MO)

Record details

NPI number1972975183
Entity typeIndividual (Type 1)
GenderFemale
Credentials AGNP
Sole proprietorNo
NPI enumeratedOctober 27, 2015
Last updated in NPPESJuly 10, 2025
Certification dateJuly 10, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Ssm Medical Group Inc — 560 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare