Doctor profile · Federal record

Dr. Michael Armstrong, ARNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Critical Care Medicine (Anesthesiology) Physician · Nurse Practitioner · Tampa, FL

  • NPI 1679710453
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Tampa General Cir, Suite A327
Tampa, FL 336063571
(813) 844-4396
fax (813) 844-4972

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
December 21, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Florida #ARNP9237484 · Florida #APRN9237484

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679710453. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151
Distinct HCPCS
2
Medicare allowed
$19,980
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 86 50 $182
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 65 46 $67

In context: peer comparison

Among 48 peers in Tampa Adult Health Nurse Practitioner, average services per provider: 142. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Armstrong's medical specialty?
Dr. Michael Armstrong practices Adult Health Nurse Practitioner in Tampa, FL.
Where does Dr. Michael Armstrong practice?
Dr. Michael Armstrong practices at 1 Tampa General Cir, Tampa, FL 336063571. Office phone: 8138444396.
What is Dr. Michael Armstrong's NPI?
Dr. Michael Armstrong's National Provider Identifier (NPI) is 1679710453, issued by NPPES.
Does Dr. Michael Armstrong accept Medicare assignment?
Yes. Dr. Michael Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.