1. Home
  2. Directory
  3. Colorado
  4. Longmont
  5. Emergency Medicine
  6. NPI Profile

LESLIE LEANNE ARMSTRONG
NPI 1578730958
Emergency Medicine in Longmont, CO

Active since May 14, 2008PECOS Enrolled
88.61/100
CMS Quality Rating
1950 MOUNTAIN VIEW AVE, LONGMONT, CO 80501(303) 306-7783(303) 306-7753 Get Directions Write a Review

NPPES record last updated: February 28, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Leslie Leanne Armstrong NPPES

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

LESLIE LEANNE ARMSTRONG (NPI 1578730958) is an individual emergency medicine provider in Longmont, Colorado, licensed in Colorado (49936) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578730958
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLESLIE LEANNE ARMSTRONG
Location Address1950 MOUNTAIN VIEW AVELongmont, CO 80501-3129
Mailing AddressPo Box 1175Englewood, CO 80150-1175 · (303) 306-7783 · Fax (303) 306-7753
Phone(303) 306-7783
Fax(303) 306-7753
Sole ProprietorNo
Enumeration DateMay 14, 2008
Last NPPES UpdateFebruary 28, 2014
✔ NPI 1578730958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CO · 49936
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License TL-2407 (CO)
1950 MOUNTAIN VIEW AVE, Longmont, CO 80501
Open in Google Maps ↗

Other Names 1

Professional Name (2)Leslie Armstrong M.d.

Other Identifiers 3

OtherP00943877CO · Railroad Medicare Pin
Medicare PINCOA106140CO
Medicaid72925361CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leslie Leanne Armstrong is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
219 services215 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
156 services149 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
59 services59 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
41 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80501 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.6
Improvement Activities40

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.

WYATT JASON HALL
Emergency Medicine
1950 MOUNTAIN VIEW AVE
LONGMONT, CO 80501
Boulder County (303) 306-7783
MIRANDA E PREJEAN
Physician Assistant
1950 MOUNTAIN VIEW AVE
LONGMONT, CO 80501
Boulder County (303) 306-7783
CATHOLIC HEALTH INIATIVES COLORADO
Pharmacy (Community/Retail Pharmacy)
1950 MOUNTAIN VIEW AVE
LONGMONT, CO 80501
Boulder County (303) 678-4051
DAVID A. MERIN
Physician Assistant
1950 MOUNTAIN VIEW AVE
LONGMONT, CO 80501
Boulder County (303) 651-5000
HEALOGICS SPECIALTY PHYSICIANS OF COLORADO-PROFESSIONAL, LLC
Preventive Medicine (Undersea and Hyperbaric Medicine)
1950 MOUNTAIN VIEW AVE, 4 WEST
LONGMONT, CO 80501
Boulder County (720) 652-8850
RI HOLBROOK
Pharmacist
1950 MOUNTAIN VIEW AVE
LONGMONT, CO 80501
Boulder County (303) 651-5332
LONGMONT UNITED HOSPITAL
Clinic/Center
1950 MOUNTAIN VIEW AVE, MILESTONE CLINICS
LONGMONT, CO 80501
Boulder County (303) 651-5026
BRIAN LIU DO
Emergency Medicine
1950 MOUNTAIN VIEW AVE
LONGMONT, CO 80501
Boulder County (303) 651-5111

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 Leslie Armstrong's NPI number?

The NPI number for Leslie Armstrong is 1578730958. It was assigned to this individual provider in the NPPES registry on May 14, 2008. The provider is also known as Leslie Armstrong M.D..

Where is Leslie Armstrong located?

Leslie Armstrong practices at 1950 Mountain View Ave, Longmont, CO 80501. The listed phone number is (303) 306-7783.

What is Leslie Armstrong's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Leslie Armstrong enrolled in Medicare?

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

What insurance does Leslie Armstrong accept?

Health plans from Molina Healthcare list Leslie 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.

When was this NPI record last updated?

The NPPES record for Leslie Armstrong was last updated on February 28, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.