Acute Kidney InjuryAnticoagulantsContinuous Renal Replacement Therapy
Dr. John Travis Ludwig, MD
NPI1215342449PAC ID5890087134
- Medicare services, 2024
- 756
- Medicare patients, 2024
- 207
- Part D claims, 2024
- 264
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 4600 Touhy Avenue, Lincolnwood, IL 60712
- Practice phone
- Call (847) 443-1228
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Concerto Renal Services - Lincolnwood
Dialysis Center - Independent · Lincolnwood, Illinois
Find Dr. Ludwig's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Travis Ludwig is a nephrologist in Lincolnwood, Illinois
Dr. Ludwig practices at Concerto Renal Services - Lincolnwood in Lincolnwood, Illinois.
Dr. Ludwig's NPI, 1215342449, was assigned on June 26, 2014. Dr. Ludwig graduated from Pennsylvania State University College of Medicine in 2010. Dr. Ludwig holds Michigan license 4301114038.
NPI and contact details
- NPI
- 1215342449NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890087134
- NPI enumeration date
- June 26, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 443-1228
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Travis Ludwig practices at Concerto Renal Services - Lincolnwood in Lincolnwood, Illinois
Dr. Ludwig's primary practice is Concerto Renal Services - Lincolnwood, at 4600 Touhy Avenue, Lincolnwood, IL 60712 in Cook County. The practice phone is (847) 443-1228.
- Concerto Renal Services - Lincolnwood4600 Touhy Avenue, Lincolnwood, IL 60712 · Cook CountyPhone(847) 443-1228
Source: Dmand AI Affiliation Data
Dr. John Travis Ludwig is affiliated with 8 sites of care and 1 medical group
Dr. Ludwig's primary practice is Concerto Renal Services - Lincolnwood in Lincolnwood, Illinois. Dr. Ludwig is also affiliated with Evanston Hospital. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Ludwig to 3 more hospitals, 2 dialysis centers and 1 group practice or clinic, each named with a free account.
Concerto Renal Services - LincolnwoodPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Travis Ludwig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludwig practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concerto Renal Services - Lincolnwood | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Ludwig practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Travis Ludwig is one of 534 nephrologists in Illinois
Nephrology is Dr. Ludwig's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Ludwig's licenses on file in 2 states: Michigan and Illinois.
Specialties and state licenses
- Nephrology, MichiganPrimary
- Internal medicine, Illinois
Nephrologists near Dr. Ludwig
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Travis Ludwig billed Medicare for 756 services in 2024
CMS data shows 756 Medicare services from Dr. Ludwig across 9 procedure codes in 2024, for 207 Medicare patients. Medicare paid $77,015 for them.
Medicare services, 2024756
Medicare patients207
Paid by Medicare$77,015
Procedure codes9
Dr. Ludwig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4812024: 59223%
- Tests and treatments
- 2023: 1152024: 1077%
- Other services
- 2023: 02024: 57
Where Dr. Ludwig's Medicare services took place, 2024
- In an office23131%
- In a facility52569%
Dr. Ludwig compared with the Illinois median for nephrologists, 2024
- Dr. Ludwig
- Illinois median
- Medicare services
- 756vs 1,28441% below
- Medicare patients
- 207vs 35742% below
- Part D claims
- 164vs 57872% below
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ludwig's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ludwig?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ludwig and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Travis Ludwig treated 207 Medicare patients in 2024, average age 73
CMS counts 207 Medicare patients who saw Dr. Ludwig in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 59% are also on Medicaid. Their average risk score is 4.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ludwig's median patient age at 67, with 42% women.
Medicare patients, 2024207
Average age73
Average risk score4.50
Also on Medicaid59%
Dr. Ludwig's Medicare patients by age, 2024
Dr. Ludwig's Medicare patients by sex, 2024
- Women10350%
- Men10450%
Chronic conditions among Dr. Ludwig's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Ischemic heart disease63%
- Arthritis61%
- Heart failure58%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ludwig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Travis Ludwig wrote 264 Medicare Part D claims in 2024
In 2024, Dr. Ludwig wrote 264 Medicare Part D claims for 66 patients. 83% of them were for generic drugs. CMS names the drug for 164 of them, across 9 drugs with 11 or more claims each, at $43,080 in total drug cost. In 2023, CMS named 91 claims across 5 drugs.
Part D claims, 2024264
Drugs named by CMS9
Total drug cost$43,080
Part D patients66
Dr. Ludwig's Part D claims by kind of drug, 2024
- Generic220 claims83%
- Brand-name44 claims17%
Dr. Ludwig's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 912024: 16480%
Drugs named by CMS: 9 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John Travis Ludwig takes part in Medicare
Dr. Ludwig accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find nephrologists like Dr. Ludwig by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Travis Ludwig has 1 publication on record
Dmand AI links 1 paper to Dr. Ludwig in 2021. Dr. Ludwig's most frequent co-authors are Michael Heung, MD and Lenar Tatios Yessayan, MD.
Papers1
Dr. Ludwig's most frequent co-authors
Recent publications by Dr. Ludwig
See who Dr. Ludwig researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ludwig works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Travis Ludwig received $1,182 in industry payments from 2021 to 2025
CMS Open Payments shows 27 general payments to Dr. Ludwig from 10 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Aurinia Pharma U.S., Inc. paid the most, $324.
General payments to Dr. Ludwig by program year, 2021 to 2025
Companies that paid Dr. Ludwig the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Travis Ludwig graduated from Pennsylvania State University College of Medicine
Dr. Ludwig graduated from Pennsylvania State University College of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Travis Ludwig's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Travis Ludwig
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Travis Ludwig's NPI number?
Dr. John Travis Ludwig's NPI number is 1215342449. It was assigned on June 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. John Travis Ludwig?
Dr. John Travis Ludwig is a nephrologist in Lincolnwood, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. John Travis Ludwig practice?
Dr. Ludwig practices at 4600 Touhy Avenue, Lincolnwood, IL 60712. Dr. Ludwig's primary practice is Concerto Renal Services - Lincolnwood in Lincolnwood, Illinois. Dmand AI also links Dr. Ludwig to 3 hospitals, 2 dialysis centers and 1 group practice or clinic.
What is Dr. John Travis Ludwig's office phone number?
The practice phone on file for Dr. Ludwig is (847) 443-1228.
What is Dr. John Travis Ludwig's medical license number?
Dr. Ludwig holds Michigan license 4301114038, one of the licenses on file in 2 states.
Which states has Dr. John Travis Ludwig been licensed in?
Dmand AI has state licenses on file for Dr. Ludwig in Michigan and Illinois.
Which hospitals is Dr. John Travis Ludwig affiliated with?
Dr. Ludwig is affiliated with Evanston Hospital. Dmand AI links Dr. Ludwig to 3 more hospitals.
What medical group is Dr. John Travis Ludwig part of?
Dr. Ludwig is linked to Nephrology Associates of Northern Illinois and Indiana (NANI).
Does Dr. John Travis Ludwig accept Medicare?
Yes. CMS data shows Dr. Ludwig billed Medicare for 756 services in 2024, and Dr. Ludwig accepts Medicare assignment.
How many Medicare patients does Dr. John Travis Ludwig see?
CMS counts 207 Medicare patients who saw Dr. Ludwig in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. John Travis Ludwig bill to Medicare?
In 2024, Dr. Ludwig's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and dialysis (90960).
Where did Dr. John Travis Ludwig go to medical school?
Dr. Ludwig graduated from Pennsylvania State University College of Medicine in 2010.
What drugs does Dr. John Travis Ludwig prescribe most?
In 2024 Medicare Part D data, Dr. Ludwig's most prescribed drugs by claims were Losartan Potassium, Farxiga and Jardiance.
Has Dr. John Travis Ludwig received payments from drug or device companies?
CMS Open Payments shows $1,182 in general payments to Dr. Ludwig from 10 companies from 2021 to 2025. The largest total came from Aurinia Pharma U.S., Inc.
How long has Dr. John Travis Ludwig been practicing?
Dr. Ludwig graduated from medical school in 2010, 16 years ago.
Does Dr. John Travis Ludwig do research?
Dmand AI links 1 publication to Dr. Ludwig.
Who does Dr. John Travis Ludwig publish with?
Dr. Ludwig's most frequent co-authors are Michael Heung, MD (1 shared paper) and Lenar Tatios Yessayan, MD (1 shared paper).
Selling to nephrology practices?
See nephrologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card