Doctor profile · Federal record

Dr. Jeffrey Sykes, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Sioux City, IA

  • NPI 1649244682
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5885 Sunnybrook Dr, Suite L-200
Sioux City, IA 511064203
(712) 239-4702
fax (712) 224-5898
Mailing address
Po Box 3128
Sioux City, IA 511023128

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 15, 2015
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (3)
Iowa #MD-33097 · Nebraska #21326 · South Dakota #4627
Medicaid
IA #1203836

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649244682. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
73
Distinct HCPCS
3
Medicare allowed
$2,805
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 41 40 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 16 16 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 16 15 $91

In context: peer comparison

Among 2 peers in this city , average services per provider: 68. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Sykes's medical specialty?
Dr. Jeffrey Sykes practices Cardiovascular Disease Physician in Sioux City, IA.
Where does Dr. Jeffrey Sykes practice?
Dr. Jeffrey Sykes practices at 5885 Sunnybrook Dr, Sioux City, IA 511064203. Office phone: 7122394702.
What is Dr. Jeffrey Sykes's NPI?
Dr. Jeffrey Sykes's National Provider Identifier (NPI) is 1649244682, issued by NPPES.
Does Dr. Jeffrey Sykes accept Medicare assignment?
Yes. Dr. Jeffrey Sykes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Sykes commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.