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DR. NATHAN HUNTER ARMSTRONG MD
NPI 1235768581
Emergency Medicine in Searcy, AR

Active since April 07, 2020PECOS EnrolledAccepts Medicare Assignment
3214 E RACE AVE, SEARCY, AR 72143(501) 380-2217(501) 380-2282 Get Directions Write a Review

NPPES record last updated: August 28, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 28, 2023, Apr 7, 2020 (2 updates tracked since 2020).

About Dr. Nathan Hunter Armstrong Md NPPES

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

DR. NATHAN HUNTER ARMSTRONG MD (NPI 1235768581) is an individual emergency medicine provider in Searcy, Arkansas, licensed in Mississippi (32017) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Merit Health River Oaks, and is a graduate of University Of Mississippi School Of Medicine (2020).

NPPES Registry Identity

NPI1235768581
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NATHAN HUNTER ARMSTRONGCredential: MD
Location Address3214 E RACE AVESearcy, AR 72143-4810
Mailing Address3214 E Race AveSearcy, AR 72143-4810 · (501) 380-2217 · Fax (501) 380-2282
Phone(501) 380-2217
Fax(501) 380-2282
Sole ProprietorYes
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2020
Enumeration DateApril 7, 2020
Last NPPES UpdateAugust 28, 20232 updates tracked since enumeration
NPPES CertifiedAugust 28, 2023
✔ NPI 1235768581 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 MS · 32017
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
3214 E RACE AVE, Searcy, AR 72143
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathan Hunter Armstrong Md 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 ID4688025323
PECOS Enrollment IDI20240108003375
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Nathan Armstrong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jackson Hb Medical Services LLC
220 mi
Emergency Medicine
1850 CHADWICK DR
Jackson, MS 39204
  • Reassigned Medicare billing, Mississippi enrollment
  • 99 clinicians in this Medicare group
NPI 1184305856 (601) 376-2832
The Metrohealth System
691 mi
Multi-Specialty
2500 METROHEALTH DR
Cleveland, OH 44109
  • Reassigned Medicare billing, Ohio enrollment
  • 2,147 clinicians in this Medicare group
NPI 1053353896 (216) 957-2442

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.
149 services146 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.
85 services85 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.
60 services60 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Merit Health River Oaks

Acute Care Hospitals · Flowood, MS
1/5 CMS rating
OwnershipProprietary
CMS Certification Number250138
Location1030 River Oaks DriveFlowood, MS 39232 · Rankin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72143 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
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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.

DR. CALEB JARRED CONRAD DO
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2216
PRABHNEET SINGH PANNU MD
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2298
RUPAK KUMAR CHOWDHURY MD
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 203-2183
SARAH RAMSEY APRN
Clinical Nurse Specialist (Psychiatric/Mental Health)
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 268-6121
DR. CAYLAN LIEW DO
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2299
COLLIE MASON SHAW
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2280
BRYCE RICHARD BROOKS DO
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2280
DR. JAMIE PITCOCK SMITH CRNA
Nurse Anesthetist, Certified Registered
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 268-6121

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 Nathan Armstrong's NPI number?

The NPI number for Nathan Armstrong is 1235768581. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Nathan Armstrong located?

Nathan Armstrong practices at 3214 E Race Ave, Searcy, AR 72143. The listed phone number is (501) 380-2217.

What is Nathan Armstrong's specialty?

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

Is Nathan Armstrong enrolled in Medicare?

Yes. Nathan 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.

Which organizations bill Medicare for Nathan Armstrong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Armstrong reassigns Medicare benefits to 2 organizations: Jackson Hb Medical Services LLC (Jackson, MS) and The Metrohealth System (Cleveland, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nathan Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nathan Armstrong affiliated with any hospitals?

According to CMS data, Nathan Armstrong is affiliated with Merit Health River Oaks.

When was this NPI record last updated?

The NPPES record for Nathan Armstrong was last updated on August 28, 2023. 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.