Syed Ommar Hassan, MD
Family Medicine Physician · McHenry, IL
Syed Ommar Hassan, MD is a family medicine physician with a practice address in McHenry, Illinois, and NPI 1063637544, issued on Apr 17, 2007. Check the license (Illinois 036133790, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Syed Ommar Hassan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036133790 IL
57012414 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3922 Mercy Dr, McHenry, IL 60050
- Phone
- (815) 344-4499
- Enumerated
- Apr 17, 2007
- Record last updated
- May 12, 2026
- Fax
- (815) 344-4779
- Medicare enrollment
- Enrolled (PECOS I20131021001358); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3922 Mercy Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Al-Salim, AUDAudiologist1134436835
- Taylor Belo, PTAPhysical Therapy Assistant1063137255
- Timothy Bollinger, DOEmergency Medicine Physician1629013313
- Rick Chitwood, DOPediatrics Physician1609977305
- Paul Dehaan, MDOrthopaedic Hand Surgery Physician1386727790
- Joseph Fojtik, MDInternal Medicine Physician1801971171
Verify Syed Ommar Hassan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036133790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average family medicine physician in 2024
6,189 Medicare Part D claims for 592 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium752 claims
- Lisinopril422 claims
- Levothyroxine Sodium282 claims
- Metformin Hcl279 claims
- Metoprolol Succinate274 claims
- Amlodipine Besylate272 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mercy Health System CorporationMcHenry, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
12 family medicine physician records list a practice address in McHenry
They are 12 of the 1,852 NPPES records with a practice address in McHenry, and 6,215 family medicine physician records in Illinois.
All 12 in McHenry → All 6,215 in Illinois → Every provider in McHenry →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ahmed Abdelkader, MDChicago, IL1659104230
- Guy Abderholden, MDAntioch, IL1902899792
Common questions
What is Syed Ommar Hassan, MD's NPI number?
Syed Ommar Hassan, MD's National Provider Identifier (NPI) is 1063637544, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Syed Ommar Hassan, MD located?
The NPPES record lists a practice address at 3922 Mercy Dr, McHenry, IL, 60050. Phone: (815) 344-4499. Providers update this record themselves, so call before visiting.
How can I verify Syed Ommar Hassan, MD's license?
NPPES lists Illinois license number 036133790, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Syed Ommar Hassan, MD prescribe under Medicare Part D?
In 2024, Syed Ommar Hassan, MD had 6,189 Medicare Part D claims for 592 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.