Doctor profile · Federal record

Dr. Douglas Tran, MD

Internal Medicine Physician (CMS: Internal Medicine) · Naperville, IL

  • NPI 1144270976
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2007 95Th Street, Suite 112
Naperville, IL 605648561
(630) 527-7780
fax (630) 527-7777
Mailing address
2007 95Th St, Ste 112
Naperville, IL 605648561

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 4, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036114763
Medicaid
IL #036114763 1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144270976. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,702
Distinct HCPCS
10
Medicare allowed
$190,979
HCPCS Description Services Patients Avg allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 457 457 $136
99214 Established patient office or other outpatient visit, 30-39 minutes 436 319 $134
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 230 38 $66
99213 Established patient office or other outpatient visit, 20-29 minutes 135 118 $95
G0008 Administration of influenza virus vaccine 112 109 $30
90662 Influenza vaccine split virus, preservative free 109 106 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 40 40 $282
G0009 Administration of pneumococcal vaccine 39 39 $29
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 31 29 $15
99496 Transitional care management services for problem of high complexity 28 27 $292

In context: peer comparison

Among 37 peers in Naperville Internal Medicine Physician, average services per provider: 101. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$140
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 3 $55.98
Lilly USA, LLC 2 $55.83
Kowa Pharmaceuticals America, INC. 1 $15.04
Teleflex LLC 1 $13.35

By nature of payment

Food and Beverage
$140

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,836
Patients
1,525
Total drug cost
$78,092
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 911 285 $13,740
Rosuvastatin Calcium Generic 563 182 $11,668
Levothyroxine Sodium Generic 512 143 $8,994
Amlodipine Besylate Generic 495 150 $5,042
Losartan Potassium Generic 326 105 $5,318
Metoprolol Succinate Generic 288 84 $6,000
Lisinopril Generic 279 81 $3,247
Olmesartan Medoxomil Generic 272 94 $7,973
Metformin Hcl Generic 203 64 $2,247
Glimepiride Generic 191 62 $3,436

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Tran's medical specialty?
Dr. Douglas Tran practices Internal Medicine Physician in Naperville, IL.
Where does Dr. Douglas Tran practice?
Dr. Douglas Tran practices at 2007 95Th Street, Naperville, IL 605648561. Office phone: 6305277780.
What is Dr. Douglas Tran's NPI?
Dr. Douglas Tran's National Provider Identifier (NPI) is 1144270976, issued by NPPES.
Does Dr. Douglas Tran accept Medicare assignment?
Yes. Dr. Douglas Tran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Tran commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.