Doctor profile · Federal record

Dr. Syed Hassan, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · McHenry, IL

  • NPI 1063637544
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3922 Mercy Dr
McHenry, IL 600503179
(815) 344-4499
fax (815) 344-4779
Additional location
875 S. Route 31
Crystal Lake, IL 60014
(779) 220-5500

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
August 4, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Illinois #036-133790 · Ohio #57012414

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063637544. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,252
Distinct HCPCS
10
Medicare allowed
$177,627
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 716 334 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 290 206 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 276 276 $125
96372 Injection of drug or substance under skin or into muscle 176 44 $13
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 168 39 $1
G0008 Administration of influenza virus vaccine 113 113 $29
90662 Influenza vaccine split virus, preservative free 110 110 $71
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 54 53 $8
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 49 48 $6
G0009 Administration of pneumococcal vaccine 42 42 $29

In context: peer comparison

Among 3 peers in this city , average services per provider: 109. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,257
Patients
1,022
Total drug cost
$46,210
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 687 213 $9,681
Lisinopril Generic 403 117 $3,855
Levothyroxine Sodium Generic 264 78 $3,728
Metoprolol Succinate Generic 249 76 $6,624
Amlodipine Besylate Generic 242 76 $2,773
Metformin Hcl Generic 217 69 $2,118
Losartan Potassium Generic 214 67 $3,113
Hydrochlorothiazide Generic 202 58 $1,094
Omeprazole Generic 200 72 $3,604
Sertraline Hcl Generic 108 40 $1,239

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Syed Hassan's medical specialty?
Dr. Syed Hassan practices Family Medicine Physician in McHenry, IL.
Where does Dr. Syed Hassan practice?
Dr. Syed Hassan practices at 3922 Mercy Dr, McHenry, IL 600503179. Office phone: 8153444499.
What is Dr. Syed Hassan's NPI?
Dr. Syed Hassan's National Provider Identifier (NPI) is 1063637544, issued by NPPES.
Does Dr. Syed Hassan accept Medicare assignment?
Yes. Dr. Syed Hassan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Syed Hassan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.