Doctor profile · Federal record

Dr. Najam Siddiqui, DO

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Dallas, TX

  • NPI 1598297194
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
221 W Colorado Blvd
Dallas, TX 752082363
(214) 960-5681
fax (214) 960-5681
Additional location
1501 Kings Hwy, Internal Medicine
Shreveport, LA 711034228
(318) 626-0434
Mailing address
221 W Colorado Blvd Ste 525
Dallas, TX 752082312

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
January 30, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Texas #U3018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598297194. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
256
Distinct HCPCS
4
Medicare allowed
$46,416
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 171 76 $207
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 56 30 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 15 $171
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $121

In context: peer comparison

Among 48 peers in this city , average services per provider: 88. This provider delivers 2.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$4,654
Drug Type Claims Patients Total cost
Daliresp (Roflumilast) Brand 11 0 $4,654

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Najam Siddiqui's medical specialty?
Dr. Najam Siddiqui practices Pulmonary Disease Physician in Dallas, TX.
Where does Dr. Najam Siddiqui practice?
Dr. Najam Siddiqui practices at 221 W Colorado Blvd, Dallas, TX 752082363. Office phone: 2149605681.
What is Dr. Najam Siddiqui's NPI?
Dr. Najam Siddiqui's National Provider Identifier (NPI) is 1598297194, issued by NPPES.
Does Dr. Najam Siddiqui accept Medicare assignment?
Yes. Dr. Najam Siddiqui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Najam Siddiqui commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.