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Edit this profileWhere to find Joseph Guan, MD, MPH
- Chicago location main office
259 E Erie St Ste 2330, Chicago, IL 60611 - Chicago location
1950 W Polk St Ste 5210, Chicago, IL 60612 - Chicago location
600 S Paulina St, Chicago, IL 60612 - Olympia Fields location
3700 W 203rd St Ste 301, Olympia Fields, IL 60461
About Dr. Guan
Based in Chicago, IL, Joseph Guan, MD, MPH is listed in the NPI registry under internal medicine. Joseph graduated from Rush Medical College of Rush University in 2021. According to Medicare claims data, Joseph cared for 63 Medicare patients across 67 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, administration of influenza virus vaccine, and influenza vaccine, trivalent derived from recombinant dna. NPI 1154986404 identifies this record in the national registry.
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) 926-6000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
259 E ERIE ST STE 2330
Chicago, IL 60611
1950 W Polk St Ste 5210
Chicago, IL 60612
600 S Paulina St
Chicago, IL 60612
3700 W 203rd St Ste 301
Olympia Fields, IL 60461
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
Cancer Prevention
Cancer risk
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
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
Addiction & habits
Cancer screening
Cancer Screening
Checkups & exams
Chronic illness
Diagnostics & screening
Environmental health
Fitness & body composition
Heart & Circulation
Heart & circulation
Heart health
Hospital-based procedures
Imaging referral
Immunizations
Infection & Microbiology Tests
Lifestyle & Prevention
Longevity
Lower endoscopy
Lungs & Breathing
Metabolic & Weight
Metabolic health
Occupational health
Occupational Health
Office Procedures
Preventive and evaluation
Preventive imaging
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
- Blood pressure screening
- Cancer screening and prevention planning
- Diabetes and prediabetes screening
- EKG
- Spirometry
Screenings & Diagnostics
Travel Health
Travel medicine
Wellness
Wellness & Screening
Workplace health
Skin growths
Sleep
Most searched procedures
Bones & Joints
Brain and nerves
Digestive
Exams & Consultations
Lab tests
Minor procedures
Office procedures
Pain management
Preventive & Routine Care
Sexual health
Procedures Most Often Billed to Medicare
67 services · 63 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine, trivalent derived from recombinant dna | Treatment | 90673 |
11 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
45 | Less often than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
11 | 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 5
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 — 27 related providers in 4 groups
Other internists in Chicago 7
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 2021 at Rush Medical College of Rush University 7
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, trivalent derived from recombinant dna 7
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Guan's specialty?
Dr. Guan 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 can I find Dr. Guan?
Dr. Guan is listed at 259 E Erie St Ste 2330, 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. Guan?
The number on file is (312) 926-6000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Guan's NPI number?
Dr. Guan's National Provider Identifier is 1154986404. 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. Guan's medical education?
Dr. Guan attended Rush Medical College of Rush University, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Guan been practicing?
Dr. Guan has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Guan known for?
According to Medicare billing data, Dr. Guan provides treatments such as influenza vaccine, trivalent derived from recombinant dna, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Guan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guan. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.