Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHNI BROOKE LYNN ARMSTRONG MD
NPI 1639868722
Pediatrics in Memphis, TN

Active since May 03, 2023PECOS Enrolled
848 ADAMS AVE, MEMPHIS, TN 38103(907) 287-7337(901) 287-5506 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 16, 2025, May 3, 2023 (2 updates tracked since 2023).

About Dr. Johni Brooke Lynn Armstrong Md NPPES

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

DR. JOHNI BROOKE LYNN ARMSTRONG MD (NPI 1639868722) is an individual pediatrics provider in Memphis, Tennessee, licensed in Tennessee (74717) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2023).

NPPES Registry Identity

NPI1639868722
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. JOHNI BROOKE LYNN ARMSTRONGCredential: MD
Location Address848 ADAMS AVEMemphis, TN 38103-2816
Mailing Address850 Poplar Ave Bldg 2Memphis, TN 38105-4607 · (901) 287-7337
Fax(901) 287-5506
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2023
Enumeration DateMay 3, 2023
Last NPPES UpdateJune 23, 20262 updates tracked since enumeration
NPPES CertifiedJune 23, 2026
NPI 1639868722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in TN · 74717
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
848 ADAMS AVE, Memphis, TN 38103

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 (PECOS)

Dr. Johni Brooke Lynn Armstrong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214398775
PECOS Enrollment IDI20260707000318
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38103 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 20

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

Pediatrics (Pediatric Cardiology)
848 ADAMS AVE
MEMPHIS, TN 38103
Pediatrics (Pediatric Critical Care Medicine)
848 ADAMS AVE
MEMPHIS, TN 38103
Pediatrics
848 ADAMS AVE
MEMPHIS, TN 38103
Pediatrics
848 ADAMS AVE
MEMPHIS, TN 38103
Nurse Practitioner (Neonatal, Critical Care)
848 ADAMS AVE
MEMPHIS, TN 38103
Nurse Practitioner (Pediatrics)
848 ADAMS AVE
MEMPHIS, TN 38103
Speech-Language Pathologist
848 ADAMS AVE
MEMPHIS, TN 38103
Dietitian, Registered (Nutrition, Pediatric)
848 ADAMS AVE
MEMPHIS, TN 38103

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 Johni Armstrong's NPI number?

The NPI number for Johni Armstrong is 1639868722. It was assigned to this individual provider in the NPPES registry on May 3, 2023.

Where is Johni Armstrong located?

Johni Armstrong practices at 848 Adams Ave, Memphis, TN 38103. The listed phone number is (907) 287-7337.

What is Johni Armstrong's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Johni Armstrong enrolled in Medicare?

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

What insurance does Johni Armstrong accept?

Health plans from BlueCross BlueShield of Tennessee list Johni 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 Johni Armstrong was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.