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- 9130 Columbia Ave Ste A, Munster, IN 46321
About John Byun
John J. Byun is a healthcare provider in Munster, IN specializing in rheumatology. John trained at Medical College of Wisconsin, graduating in 2018. John is also listed as specializing in student in an organized health care education program. Medicare claims data shows John provided 52 services to 38 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. This provider record is associated with NPI 1730684671.
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
- (219) 836-1310
- Email not available
Practice Locations
9130 COLUMBIA AVE STE A
Munster, IN 46321
Conditions Commonly Evaluated or Treated
Within Rheumatology 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
- Fibromyalgia
- Gout
- Lupus
- Osteoarthritis
- Psoriatic arthritis
- Rheumatoid arthritis
Autoimmune
- Antiphospholipid Syndrome
- Behçet's Disease
- Dermatomyositis
- Dry Eyes and Mouth
- Granulomatosis with Polyangiitis
- IgA Vasculitis
- IgG4-Related Disease
- Inflammatory myopathy
- Lupus Butterfly Rash
- Positive ANA Blood Test
- Relapsing Polychondritis
Bone
- Paget's Disease of Bone
Bone Health
Connective Tissue
- Hypermobility Syndrome
- Mixed Connective Tissue Disease
- Scleroderma skin disease
- Undifferentiated Connective Tissue Disease
Genetic & Connective Tissue
Inflammatory
- Adult-Onset Still's Disease
- Polymyalgia rheumatica
- Rib pain
- Sarcoidosis Joint Pain
Joints
- Baker's Cyst
- Chronic Joint Pain
- Enteropathic Arthritis
- Juvenile Idiopathic Arthritis
- Morning Joint Stiffness
- Palindromic Rheumatism
- Pseudogout
- Reactive Arthritis
- Swollen Fingers or Toes
- Swollen Joints
Nerve & Tendon
Skin & Soft Tissue
- Erythema Nodosum
Skin & Vascular
- Hypothermia And Frostbite At Work
- Mottled Purplish Skin
Soft Tissue
Spine & Back
Vascular
- Cold Sensitive Fingers and Toes
- Temporal Arteritis
- Vasculitis
Procedures & services
Most searched procedures
- Arthritis management
- Infusion therapy
- Joint injections
Consultation
- Second Opinion for Autoimmune Disease
Consultations
- Osteoporosis Medication Consultation
Diagnostics & Injections
- Baker's Cyst Aspiration
- Bursa injection
- Carpal tunnel steroid injection
- Joint injection or aspiration
- Knee Joint Injection
- Nailfold Capillaroscopy
- Sacroiliac joint injection
- Salivary Gland Biopsy
- Tendon Sheath Injection
Education & Support
Imaging
- Bone Density Scan Referral
- Joint Ultrasound
Injections
- Ankle Joint Injection
- Finger Joint Injections
- Shoulder Cortisone Injection
- Ultrasound-guided hip injection
- Wrist Cortisone Injection
Lab & Diagnostics
- ANCA Blood Test
- Anti-CCP Antibody Test
- HLA-B27 Genetic Test
- Inflammation Blood Tests
- Joint Fluid Analysis
- Lupus Skin Biopsy
- Myositis Antibody Panel
- Rheumatoid Factor Blood Test
Lab Work
- Autoimmune Blood Panel
- Uric Acid Monitoring
Medication Management
- Biologic medication management
- DMARD Medication Management
- Gout Flare Treatment Plan
- Immunosuppressant Drug Monitoring
- Prolia Injection for Osteoporosis
- Reclast Infusion for Osteoporosis
- Steroid Taper Management
Pain Relief
Regenerative Medicine
- PRP Therapy for Joints
Procedures Most Often Billed to Medicare
52 services · 38 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
32 | As often as other peers in Rheumatology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
20 | As often as other peers in Rheumatology |
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.
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 rheumatologists in Munster 4
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2018 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Common questions
What does John J. Byun specialize in?
John J. Byun is a rheumatologist in Munster, IN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Where is John J. Byun located?
John J. Byun is listed at 9130 Columbia Ave Ste A, Munster, IN 46321. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John J. Byun's phone number?
The number on file is (219) 836-1310. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John J. Byun?
John J. Byun's National Provider Identifier is 1730684671. 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 John J. Byun train?
John J. Byun attended Medical College of Wisconsin, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John J. Byun have?
John J. Byun has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does John J. Byun do most often?
According to Medicare billing data, John J. Byun 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 John J. Byun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John J. Byun. If this is you, claiming it is free.
Guide.md
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