Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Diana E Armstrong, APRN-BC

Individual provider Adult Health Nurse Practitioner · NPI 1295841484

Diana E Armstrong, APRN-BC is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2003, 23 years ago. Practices with Mercy Clinic Surgical Specialists LLC, a 180-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
23
Licensed in
MO
In the registry since
2006
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Practice location Address checks out

621 S New Ballas Rd Ste 3005B
Saint Louis, MO 63141-8266
Phone: (314) 567-5850
Fax: (314) 567-9169
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 100571 (MO)

Record details

NPI number1295841484
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN-BC
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESOctober 27, 2022
Certification dateOctober 27, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Mercy Clinic Surgical Specialists Llc — 180 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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