Physician Profile
Theresa H. Ronan, M.D.
Unclaimed ProfileAbout Dr. Ronan
Theresa H. Ronan, M.D. is a healthcare provider in Chicago, IL specializing in internal medicine. Theresa trained at Rush Medical College of Rush University, graduating in 2008. According to Medicare claims data, Theresa cared for 45 Medicare patients across 45 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. This provider record is associated with NPI 1669636288.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 926-5924
- Email not available
Practice Locations
251 E HURON ST STE 16-738
Chicago, IL 60611
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
45 services · 45 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
26 | Less often than most peers in Internal Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
19 | Less often than most peers in Internal Medicine |
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 internists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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.
More connections — 22 related providers in 3 groups
Other internists in Chicago 8
Same specialty, same city.
Trained at Rush Medical College of Rush University 6
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Rush Medical College of Rush University 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Theresa H. Ronan specialize in?
Theresa H. Ronan is an internist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Theresa H. Ronan located?
Theresa H. Ronan is listed at 251 E Huron St Ste 16-738, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Theresa H. Ronan's phone number?
The number on file is (312) 926-5924. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Theresa H. Ronan's NPI number?
Theresa H. Ronan's National Provider Identifier is 1669636288. 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 Theresa H. Ronan train?
Theresa H. Ronan attended Rush Medical College of Rush University, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Theresa H. Ronan been practicing?
Theresa H. Ronan has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Theresa H. Ronan do most often?
According to Medicare billing data, Theresa H. Ronan 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 Theresa H. Ronan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Theresa H. Ronan. If this is you, claiming it is free.
Guide.md
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