Doctor profile · Federal record

Dr. Gary an, MD

Surgical Critical Care Physician (CMS: General Surgery) · Surgical Critical Care Physician · Trauma Surgery Physician · Burlington, VT

  • NPI 1093829830
  • Accepts Medicare
  • 38 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Colchester Ave
Burlington, VT 054011473
(802) 847-3790
fax (312) 695-1462
Mailing address
2540 W Chicago Ave # 2
Chicago, IL 606224517

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 4, 2018
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2086S0102X — NUCC code
State licenses (2)
Vermont #042.0014189 · Illinois #036-087054
Medicaid
IL #356670

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093829830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
266
Distinct HCPCS
5
Medicare allowed
$26,838
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 130 69 $47
99291 Critical care, first 30-74 minutes 56 27 $204
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 49 48 $125
99284 Emergency department visit with moderate level of medical decision making 19 19 $115
99238 Hospital discharge day management, 30 minutes or less 12 12 $78

In context: peer comparison

Among 1 peers in this city , average services per provider: 53. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CSL Behring 1 $20.00

By nature of payment

Education
$20

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary an's medical specialty?
Dr. Gary an practices Surgical Critical Care Physician in Burlington, VT.
Where does Dr. Gary an practice?
Dr. Gary an practices at 111 Colchester Ave, Burlington, VT 054011473. Office phone: 8028473790.
What is Dr. Gary an's NPI?
Dr. Gary an's National Provider Identifier (NPI) is 1093829830, issued by NPPES.
Does Dr. Gary an accept Medicare assignment?
Yes. Dr. Gary an accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary an commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Critical care (HCPCS 99291); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.