Doctor profile · Federal record

Dr. Alan Synn, M.D.

Vascular Surgery Physician (CMS: Vascular Surgery) · Denver, CO

  • NPI 1912984386
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4105 E Florida Ave Ste 200
Denver, CO 802223641
(303) 539-0736
fax (303) 539-0737
Additional location
7805 W 38Th Ave
Wheat Ridge, CO 800336109

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 14, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
Colorado #34425
Medicaid
CO #01344258

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912984386. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
828
Distinct HCPCS
10
Medicare allowed
$142,096
HCPCS Description Services Patients Avg allowed
93922 Ultrasound study of arm and leg arteries 103 82 $69
99213 Established patient office or other outpatient visit, 20-29 minutes 96 83 $91
93970 Ultrasound study of arm or leg veins with compression and maneuvers 57 56 $195
93926 Ultrasound of one leg arteries or artery grafts 55 45 $132
93880 Ultrasound of both sides of head and neck blood flow 50 46 $198
93923 Complete ultrasound study of arm and leg arteries 42 41 $117
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 42 37 $182
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $167
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 38 35 $119
93925 Ultrasound of leg arteries or artery grafts 34 31 $250

In context: peer comparison

Among 7 peers in this city , average services per provider: 33. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,564
Transactions
23
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AngioDynamics, Inc. 3 $793.68
Medtronic, Inc. 5 $211.50
Philips North America LLC 6 $143.97
Endologix LLC 1 $137.81
Tactile Systems Technology Inc 2 $105.62
Terumo Medical Corporation 2 $72.81
LeMaitre Vascular, Inc. 2 $44.84
W. L. Gore & Associates, Inc. 1 $35.74
Boston Scientific Corporation 1 $18.40

By nature of payment

Food and Beverage
$807
Long term medical supply or device loan
$757

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
115
Patients
24
Total drug cost
$34,958
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 62 24 $1,081
Xarelto (Rivaroxaban) Brand 36 0 $33,259
Cilostazol Generic 17 0 $618

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Synn's medical specialty?
Dr. Alan Synn practices Vascular Surgery Physician in Denver, CO.
Where does Dr. Alan Synn practice?
Dr. Alan Synn practices at 4105 E Florida Ave Ste 200, Denver, CO 802223641. Office phone: 3035390736.
What is Dr. Alan Synn's NPI?
Dr. Alan Synn's National Provider Identifier (NPI) is 1912984386, issued by NPPES.
Does Dr. Alan Synn accept Medicare assignment?
Yes. Dr. Alan Synn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Synn commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound study of arm and leg arteries (HCPCS 93922); Established patient office or other outpatient visit (HCPCS 99213); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970). Source: CMS Medicare Physician & Other Practitioners file.