DIANA E ARMSTRONG APRN-BC
NPI 1295841484
Nurse Practitioner - Adult Health in Saint Louis, MO

Active since August 21, 2006PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD STE 3005B, SAINT LOUIS, MO 63141(314) 567-5850(314) 567-9169 Get Directions Write a Review

NPPES record last updated: October 27, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 27, 2022, Nov 19, 2018, Dec 16, 2016 (3 updates tracked since 2016).

About Diana E Armstrong Aprn-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA E ARMSTRONG APRN-BC (NPI 1295841484) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (100571) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1295841484
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameDIANA E ARMSTRONGCredential: APRN-BC
Location Address621 S NEW BALLAS RD STE 3005BSaint Louis, MO 63141-8266
Mailing Address621 S New Ballas Rd Ste 3005bSaint Louis, MO 63141-8266 · (314) 567-5850 · Fax (314) 567-9169
Fax(314) 567-9169
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateAugust 21, 2006
Last NPPES UpdateOctober 27, 20223 updates tracked since enumeration
NPPES CertifiedOctober 27, 2022
NPI 1295841484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in MO · 100571
621 S NEW BALLAS RD STE 3005B, Saint Louis, MO 63141

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Diana E Armstrong Aprn-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395741847
PECOS Enrollment IDI20061006000133
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
15 services15 patients
X-ray of hip, 2-3 views 73502
An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Orthopaedic Surgery (Hand Surgery)
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Orthopaedic Surgery
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Physician Assistant (Surgical)
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Orthopaedic Surgery (Orthopaedic Trauma)
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141
Orthopaedic Surgery
621 S NEW BALLAS RD STE 3005B
SAINT LOUIS, MO 63141

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Armstrong's NPI number?

The NPI number for Diana Armstrong is 1295841484. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Diana Armstrong located?

Diana Armstrong practices at 621 S New Ballas Rd Ste 3005B, Saint Louis, MO 63141. The listed phone number is (314) 567-5850.

What is Diana Armstrong's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Diana Armstrong enrolled in Medicare?

Yes. Diana Armstrong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diana Armstrong accept?

Health plans from Medica list Diana Armstrong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diana Armstrong affiliated with any hospitals?

According to CMS data, Diana Armstrong is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Diana Armstrong was last updated on October 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.