Physician Profile
Unclaimed ProfileAbout HAMMAD
Mohammed Sirajuddin Hammad, MD is a hospitalist practising in Olympia Fields, IL. Mohammed is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Hammad specialise in?
Dr. Hammad is a hospitalist in Olympia Fields, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
Where is Dr. Hammad located?
Dr. Hammad is listed at 20201 CRAWFORD AVE, Olympia Fields, IL 60461. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hammad's phone number?
The number on file is (708) 679-2160. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hammad's NPI number?
Dr. Hammad's National Provider Identifier is 1235148982. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hammad go to medical school?
Dr. Hammad attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hammad been practising?
Dr. Hammad has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hammad do most often?
According to Medicare billing data, Dr. Hammad the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hammad confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hammad. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (708) 679-2160
- Email not available
Practice Locations
20201 CRAWFORD AVE
Olympia Fields, IL 60461
Procedures Most Often Billed to Medicare
387 services · 365 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
271 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
116 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hospitalists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hospitalists in Olympia Fields 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.