Dr. Stephen R. Ash, MD
- Medicare services, 2022
- 154
- Publications
- 43
- Industry payments
- $34,904
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1500 Salem St, Lafayette, IN 47904
- Practice phone
- Call (765) 448-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arnett Clinic - Lafayette (Salem St)
Multi-specialty group site · Lafayette, Indiana
Find Dr. Ash'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. Stephen R. Ash is a nephrologist in Lafayette, Indiana
Dr. Ash practices at Arnett Clinic - Lafayette (Salem St) in Lafayette, Indiana.
Dr. Ash's NPI, 1417926940, was assigned on March 16, 2006. Dr. Ash holds Indiana license 01024554A.
- NPI
- 1417926940NPI Registry (opens in a new tab)
- NPI enumeration date
- March 16, 2006
- NPI status
- Active
- Practice phone
- (765) 448-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen R. Ash practices at 2 locations in Lafayette, Indiana
Dr. Ash's primary practice is Arnett Clinic - Lafayette (Salem St), at 1500 Salem St, Lafayette, IN 47904. The practice phone is (765) 448-8000. The NPI Registry lists Dr. Ash's practice address as 5165 E McCarty Ln, Lafayette, IN 47905.
- Arnett Clinic - Lafayette (Salem St)Primary1500 Salem St, Lafayette, IN 47904Phone(765) 448-8000
- NPI Registry address5165 E McCarty Ln, Lafayette, IN 47905 · Tippecanoe CountyPhone(765) 448-8000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Stephen R. Ash is affiliated with 1 site of care and 1 medical group
Dr. Ash's primary practice is Arnett Clinic - Lafayette (Salem St) in Lafayette, Indiana. The medical group on file is IU Health Psychiatry - Muncie.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Stephen R. Ash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ash practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arnett Clinic - Lafayette (Salem St) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen R. Ash is one of 197 nephrologists in Indiana
Nephrology is Dr. Ash's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ash is licensed in Indiana.
Specialties and state licenses
- Nephrology, IndianaPrimary
Nephrologists near Dr. Ash
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. Stephen R. Ash billed Medicare for 154 services in 2022
CMS data shows 154 Medicare services from Dr. Ash across 3 procedure codes in 2022. Medicare paid $12,391 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ash's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2442022: 13445%
- Tests and treatments
- 2021: 02022: 20
Dr. Ash compared with the Indiana median for nephrologists, 2022
- Dr. Ash
- Indiana median
- Medicare services
- 154vs 91983% below
Medians across 204 nephrologists in Indiana with Dmand AI profiles that report each measure.
Dr. Ash's most billed Medicare procedure codes, 2022
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. Ash?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ash and other nephrologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Stephen R. Ash has 43 publications on record
Dmand AI links 43 papers to Dr. Ash, published from 2012 to 2025. 2022 was the busiest year, with 10. The most frequent topics are Kidney Failure, Chronic, Renal Dialysis and Renal Insufficiency, Chronic. Dr. Ash has published most often in Artif Organs. Dr. Ash's most frequent co-authors are Steven N. Fishbane, MD, Jessica B. Kendrick, MD and Bruce S. Spinowitz, MD.
Dr. Ash's papers by year, 2016 to 2025
Topics Dr. Ash writes about most
- Kidney Failure, Chronic
- Renal Dialysis
- Renal Insufficiency, Chronic
- Hemodiafiltration
- Kidneys, Artificial
- Blood Flow Velocity
- Central Venous Catheters
- Charcoal
Dr. Ash's most frequent co-authors
- Steven N. Fishbane, MD2 shared papers
- Jessica B. Kendrick, MD2 shared papers
- Bruce S. Spinowitz, MD2 shared papers
Recent publications by Dr. Ash
See who Dr. Ash researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ash 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. Stephen R. Ash received $34,904 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Ash from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 85% of the total. AstraZeneca Pharmaceuticals LP paid the most, $21,312. It also lists 2 research payments totaling $1,080 from 2018 to 2019.
General payments to Dr. Ash by program year, 2016 to 2025
General payments to Dr. Ash by kind, 2016 to 2025
- Consulting fees$29,68385%
- Travel and lodging$2,7038%
- Food and beverage$2,5057%
- Education$120%
Companies that paid Dr. Ash the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen R. Ash'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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) |
| 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. Stephen R. Ash
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. Stephen R. Ash's NPI number?
Dr. Stephen R. Ash's NPI number is 1417926940. It was assigned on March 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen R. Ash?
Dr. Stephen R. Ash is a nephrologist in Lafayette, Indiana. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Stephen R. Ash practice?
Dr. Ash practices at 1500 Salem St, Lafayette, IN 47904. Dr. Ash also practices at 5165 E McCarty Ln, Lafayette, IN 47905. Dr. Ash's primary practice is Arnett Clinic - Lafayette (Salem St) in Lafayette, Indiana.
What is Dr. Stephen R. Ash's office phone number?
The practice phone on file for Dr. Ash is (765) 448-8000.
What is Dr. Stephen R. Ash's medical license number?
Dr. Ash holds Indiana license 01024554A.
What medical group is Dr. Stephen R. Ash part of?
Dr. Ash is linked to IU Health Psychiatry - Muncie.
Does Dr. Stephen R. Ash accept Medicare?
Yes. CMS data shows Dr. Ash billed Medicare for 154 services in 2022.
What services does Dr. Stephen R. Ash bill to Medicare?
In 2022, Dr. Ash's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and dialysis (90935).
Has Dr. Stephen R. Ash received payments from drug or device companies?
CMS Open Payments shows $34,904 in general payments to Dr. Ash from 12 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Stephen R. Ash been practicing?
Dr. Ash's NPI was assigned in 2006.
Does Dr. Stephen R. Ash do research?
Dmand AI links 43 publications to Dr. Ash, published from 2012 to 2025.
Who does Dr. Stephen R. Ash publish with?
Dr. Ash's most frequent co-authors are Steven N. Fishbane, MD (2 shared papers), Jessica B. Kendrick, MD (2 shared papers) and Bruce S. Spinowitz, MD (2 shared papers).
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