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Edit this profileWhere to find John T. Ludwig, M.D.
- Chicago location main office
5140 N California Ave Ste 600, Chicago, IL 60625 - Ann Arbor location
1500 E Medical Center Dr, Ann Arbor, MI 48109
About Dr. Ludwig
John T. Ludwig, M.D. practices nephrology in Chicago, IL. John is a 2010 graduate of Pennsylvania State University College of Medicine. John is also listed as specializing in internal medicine and pediatrics. Medicare claims data shows John provided 756 services to 342 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and dialysis services, 4 or more physician visits per month (20 years or older). The provider's National Provider Identifier (NPI) is 1215342449.
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
- (708) 252-5809
- Email not available
Practice Locations
5140 N CALIFORNIA AVE STE 600
Chicago, IL 60625
1500 E Medical Center Dr
Ann Arbor, MI 48109
Conditions Commonly Evaluated or Treated
Within Nephrology 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
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
756 services · 342 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
84 | Less often than most peers in Nephrology |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
23 | Less often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
335 | More often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
98 | As often as other peers in Nephrology |
| 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 |
57 | Less often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
51 | Less often than most peers in Nephrology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
47 | As often as other peers in Nephrology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
45 | As often as other peers in Nephrology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 | Less often than most peers in Nephrology |
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 kidney specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 30 related providers in 4 groups
Other kidney specialists in Chicago 6
Same specialty, same city.
Trained at Pennsylvania State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Pennsylvania State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is John T. Ludwig?
John T. Ludwig is a kidney specialist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is John T. Ludwig's address?
John T. Ludwig is listed at 5140 N California Ave Ste 600, Chicago, IL 60625. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John T. Ludwig?
The number on file is (708) 252-5809. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John T. Ludwig?
John T. Ludwig's National Provider Identifier is 1215342449. 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 T. Ludwig train?
John T. Ludwig attended Pennsylvania State University College of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John T. Ludwig have?
John T. Ludwig has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does John T. Ludwig perform?
According to Medicare billing data, John T. Ludwig provides treatments such as dialysis services, 4 or more physician visits per month and dialysis services, 2-3 physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John T. Ludwig's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John T. Ludwig. If this is you, claiming it is free.
Guide.md
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