Physician Profile
Unclaimed ProfileAbout ROSENBERG
Based in Chicago, IL, Ari Joseph Rosenberg, MD is listed in the NPI registry under hematology/oncology. Ari is also listed as specializing in hematology & oncology. Medicare claims data shows Ari provided 647 services to 380 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
- (773) 702-1000
- Email not available
Practice Locations
5841 S MARYLAND AVE # MC2115
Chicago, IL 60637
Procedures Most Often Billed to Medicare
647 services · 380 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
235 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
141 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
120 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
69 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
55 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 hematology/oncology specialists in Chicago 8
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 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Rosenberg specialize in?
Dr. Rosenberg is a hematology/oncology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where is Dr. Rosenberg located?
Dr. Rosenberg is listed at 5841 S MARYLAND AVE # MC2115, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Rosenberg's phone number?
The number on file is (773) 702-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Rosenberg?
Dr. Rosenberg's National Provider Identifier is 1699017715. 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. Rosenberg go to medical school?
Dr. Rosenberg attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Rosenberg have?
Dr. Rosenberg has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Rosenberg do most often?
According to Medicare billing data, Dr. Rosenberg 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. Rosenberg's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rosenberg. 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.