Doctor profile · Federal record

Dr. Alex Ng, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Critical Care Medicine (Internal Medicine) Physician · Student in an Organized Health Care Education/Training Program · Louisville, KY

  • NPI 1083933675
  • Accepts Medicare
  • MIPS 73.2 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
401 E Chestnut St Unit 690
Louisville, KY 402025706
(502) 588-4600
fax (502) 588-4601
Additional location
1600 Saint Johns Blvd Ste 201
Maplewood, MN 551091190
(651) 471-1166
Mailing address
Po Box 909
Louisville, KY 402010909

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Kentucky #46276 · Minnesota #60842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083933675. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
335
Distinct HCPCS
4
Medicare allowed
$49,629
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 150 60 $205
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 120 76 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 19 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 29 25 $85

In context: peer comparison

Among 29 peers in Louisville Pulmonary Disease Physician, average services per provider: 108. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$503
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
United Therapeutics Corporation 1 $133.31
Boehringer Ingelheim Pharmaceuticals, INC. 3 $130.37
Baxter Healthcare 1 $125.59
Zambon USA LTD. 1 $71.03
Inspire Medical Systems, INC. 1 $24.80
AstraZeneca Pharmaceuticals Lp 1 $17.81

By nature of payment

Food and Beverage
$503

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
0
Total drug cost
$239,322
Drug Type Claims Patients Total cost
Pirfenidone Generic 29 0 $35,571
Prednisone Generic 17 0 $105
Ofev (Nintedanib Esylate) Brand 15 0 $198,141
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 11 0 $5,505

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Ng's medical specialty?
Dr. Alex Ng practices Pulmonary Disease Physician in Louisville, KY.
Where does Dr. Alex Ng practice?
Dr. Alex Ng practices at 401 E Chestnut St Unit 690, Louisville, KY 402025706. Office phone: 5025884600.
What is Dr. Alex Ng's NPI?
Dr. Alex Ng's National Provider Identifier (NPI) is 1083933675, issued by NPPES.
Does Dr. Alex Ng accept Medicare assignment?
Yes. Dr. Alex Ng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Ng commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.