Doctor profile · Federal record

Dr. Juan Armstrong, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Acworth, GA

  • NPI 1639259666
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4550 Cobb Parkway North Nw Ste 210
Acworth, GA 301014182
(770) 422-1372
fax (770) 423-9651
Additional location
55 Whitcher St Ne, Suite 160
Marietta, GA 300601155
Mailing address
55 Whitcher St Ne, Suite 160
Marietta, GA 300601155

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 22, 2019
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Georgia #049848

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639259666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,458
Distinct HCPCS
10
Medicare allowed
$147,844
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 281 195 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 258 144 $128
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 224 92 $80
99291 Critical care, first 30-74 minutes 156 57 $214
J0696 Injection, ceftriaxone sodium, per 250 mg 116 24 $1
96372 Injection of drug or substance under skin or into muscle 87 38 $14
99204 New patient office or other outpatient visit, 45-59 minutes 66 66 $166
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 62 58 $174
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg 57 37 $5
99215 Established patient office or other outpatient visit, 40-54 minutes 47 33 $180

In context: peer comparison

Among 3 peers in this city , average services per provider: 62. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,121
Transactions
59
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 20 $379.65
GlaxoSmithKline, LLC. 19 $299.13
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $72.45
Mylan Specialty L.P. 3 $70.04
GENZYME CORPORATION 2 $59.96
Amgen Inc. 3 $55.28
Insmed, Inc. 2 $44.63
ANI Pharmaceuticals, Inc. 2 $41.43
Grifols USA, LLC 2 $37.37
La Jolla Pharmaceutical Company 1 $31.94
Resmed Corp 1 $15.15
Merck Sharp & Dohme LLC 1 $14.27

By nature of payment

Food and Beverage
$1,121

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,575
Patients
1,034
Total drug cost
$653,544
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 487 124 $403,903
Prednisone Generic 402 196 $3,174
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 358 124 $11,814
Azelastine Hcl Generic 239 120 $6,856
Azithromycin Generic 186 133 $1,089
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 113 85 $1,943
Esomeprazole Magnesium Generic 113 32 $4,991
Breo Ellipta (Fluticasone/Vilanterol) Brand 99 25 $66,457
Eliquis (Apixaban) Brand 94 22 $52,920
Montelukast Sodium Generic 88 22 $1,167

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Juan Armstrong's medical specialty?
Dr. Juan Armstrong practices Pulmonary Disease Physician in Acworth, GA.
Where does Dr. Juan Armstrong practice?
Dr. Juan Armstrong practices at 4550 Cobb Parkway North Nw Ste 210, Acworth, GA 301014182. Office phone: 7704221372.
What is Dr. Juan Armstrong's NPI?
Dr. Juan Armstrong's National Provider Identifier (NPI) is 1639259666, issued by NPPES.
Does Dr. Juan Armstrong accept Medicare assignment?
Yes. Dr. Juan Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Juan Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.