Physician Profile
Unclaimed ProfileAbout BRAT
Daniel Jay Brat, M.D., PhD practices pathology in Chicago, IL. Daniel is a 1994 graduate of Mayo Medical School. Medicare claims data shows Daniel provided 72 services to 49 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (312) 503-8144
- Email not available
Practice Locations
303 E CHICAGO AVE # 3140W127
Chicago, IL 60611
Procedures Most Often Billed to Medicare
72 services · 49 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
29 |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
15 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
14 |
| Pathology examination of specimen during surgery, first tissue block | Lab test | 88331 |
14 |
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 pathology specialists at this location 6
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 pathology specialists in Chicago 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Mayo Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Mayo Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Brat's specialty?
Dr. Brat is a pathology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
Where can I find Dr. Brat?
Dr. Brat is listed at 303 E CHICAGO AVE # 3140W127, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Brat?
The number on file is (312) 503-8144. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Brat?
Dr. Brat's National Provider Identifier is 1982639001. 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
What is Dr. Brat's medical education?
Dr. Brat attended Mayo Medical School, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Brat have?
Dr. Brat has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Brat known for?
According to Medicare billing data, Dr. Brat 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
Is Dr. Brat's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Brat. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.