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MS. ANN M ARMSTRONG ACNP-BC
NPI 1659670552
Nurse Practitioner - Acute Care in Saint Louis, MO

Active since March 18, 2011PECOS Enrolled
1035 BELLEVUE AVE, SUITE 500, SAINT LOUIS, MO 63117(314) 925-4744(314) 925-4764 Get Directions Write a Review

NPPES record last updated: November 3, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Ann M Armstrong Acnp-bc NPPES

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

MS. ANN M ARMSTRONG ACNP-BC (NPI 1659670552) is an individual acute care provider in Saint Louis, Missouri, licensed in Missouri (2011007621) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and maintains a secondary practice location in Bridgeton.

NPPES Registry Identity

NPI1659670552
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. ANN M ARMSTRONGCredential: ACNP-BC
Location Address1035 BELLEVUE AVE, SUITE 500Saint Louis, MO 63117-1854
Mailing AddressPo Box 955534Saint Louis, MO 63195-5534
Phone(314) 925-4744
Fax(314) 925-4764
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateMarch 18, 2011
Last NPPES UpdateNovember 3, 2020
NPPES CertifiedNovember 3, 2020
✔ NPI 1659670552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MO · 2011007621
1035 BELLEVUE AVE, Saint Louis, MO 63117
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Secondary Practice Location 1

Location 112255 De Paul Dr Ste 260Bridgeton, MO 63044-2510 · Phone (314) 925-4744

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Ann M Armstrong Acnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466607858
PECOS Enrollment IDI20130311000392
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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
46 services36 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260091
Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63117 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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
3 suppliers20 claims22 services$10.51 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers11 claims11 services$3.43 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
6 suppliers40 claims42 services$28.43 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier40 claims41 services$65.49 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims12 services$34.29 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
7 suppliers25 claims2,772 services$0.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

MRS. JUDITH ANN DIETZLER RPH
Pharmacist
1035 BELLEVUE AVE, CLAYTON HEALTH SERVICES PHARMACY
SAINT LOUIS, MO 63117
St. Louis County (314) 768-8870
SSM HEALTH CARE ST LOUIS
Pharmacy (Community/Retail Pharmacy)
1035 BELLEVUE AVE
SAINT LOUIS, MO 63117
St. Louis County (314) 768-8870
SSM MEDICAL GROUP
Clinic/Center
1035 BELLEVUE AVE, SUITE 305
SAINT LOUIS, MO 63117
St. Louis County (314) 644-6161
GENERATIONS FAMILY MEDICINE PC
Family Medicine
1035 BELLEVUE AVE, SUITE 206
ST LOUIS, MO 63117
St. Louis County (314) 781-4922
WELLNESS HEALTHCARE ASSOCIATES, INC
Family Medicine
1035 BELLEVUE AVE, STE 401
SAINT LOUIS, MO 63117
St. Louis County (314) 781-0361
SSM MEDICAL GROUP
Clinic/Center
1035 BELLEVUE AVE, SUITE 502
SAINT LOUIS, MO 63117
St. Louis County (314) 638-3600
SSM MEDICAL GROUP
Clinic/Center (Medical Specialty)
1035 BELLEVUE AVE, SUITE 500
SAINT LOUIS, MO 63117
St. Louis County (314) 647-1115
DAVID ALAN WACHTER RPH
Pharmacist
1035 BELLEVUE AVE
SAINT LOUIS, MO 63117
St. Louis County (314) 768-8870

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 Ann Armstrong's NPI number?

The NPI number for Ann Armstrong is 1659670552. It was assigned to this individual provider in the NPPES registry on March 18, 2011.

Where is Ann Armstrong located?

Ann Armstrong practices at 1035 Bellevue Ave Suite 500, Saint Louis, MO 63117. The listed phone number is (314) 925-4744.

What is Ann Armstrong's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Ann Armstrong enrolled in Medicare?

Yes. Ann Armstrong is registered in the Medicare PECOS enrollment system.

Is Ann Armstrong affiliated with any hospitals?

According to CMS data, Ann Armstrong is affiliated with Ssm Health St Mary's Hospital - St Louis.

When was this NPI record last updated?

The NPPES record for Ann Armstrong was last updated on November 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.