Dr. Reuben Wai Ming Warshawsky, MD

  • Lafayette, IN
  • Internist
NPI1740841006PAC ID9335477926
Medicare services, 2024
672
Medicare patients, 2024
229
Part D claims, 2024
327
Hospital affiliations
3
Industry payments
$157
Practice address
5165 McCarty Ln, Lafayette, IN 47905
Practice phone
Call (765) 448-8000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Indiana University Health Arnett Hospital

Hospital · Lafayette, Indiana

See all 5 affiliations

Find Dr. Warshawsky'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.

View contacts for free

Dr. Reuben Wai Ming Warshawsky is an internist in Lafayette, Indiana

Dr. Warshawsky practices at Indiana University Health Arnett Hospital in Lafayette, Indiana, part of Indiana University Health.

Dr. Warshawsky's NPI, 1740841006, was assigned on June 26, 2019. Dr. Warshawsky graduated from Indiana University School of Medicine in 2019. Dr. Warshawsky holds Indiana license 01087381A.

NPI and contact details
Medicare PAC ID
9335477926
NPI enumeration date
June 26, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(765) 448-8000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Reuben Wai Ming Warshawsky practices at Indiana University Health Arnett Hospital in Lafayette, Indiana

Dr. Warshawsky's primary practice is Indiana University Health Arnett Hospital, at 5165 McCarty Ln, Lafayette, IN 47905 in Tippecanoe County. The practice phone is (765) 448-8000.

Source: Dmand AI Affiliation Data

Dr. Reuben Wai Ming Warshawsky is affiliated with 3 sites of care and 2 medical groups

Dr. Warshawsky's primary practice is Indiana University Health Arnett Hospital in Lafayette, Indiana, part of Indiana University Health. Dr. Warshawsky is also affiliated with IU Health Methodist Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Warshawsky to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Warshawsky

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Reuben Wai Ming Warshawsky's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warshawsky practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Indiana University Health Arnett HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Warshawsky practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Indiana University Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Reuben Wai Ming Warshawsky is one of 1,987 internists in Indiana

Internal medicine is Dr. Warshawsky's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Warshawsky is licensed in Indiana.

Specialties and state licenses

  • Internal medicine, IndianaPrimaryLicense 01087381A · taxonomy 207R00000X

Internists near Dr. Warshawsky

Counts of internists 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. Reuben Wai Ming Warshawsky billed Medicare for 672 services in 2024

CMS data shows 672 Medicare services from Dr. Warshawsky across 4 procedure codes in 2024, for 229 Medicare patients. Medicare paid $49,105 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024672
Medicare patients229
Paid by Medicare$49,105
Procedure codes4

Dr. Warshawsky's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7792024: 67214%

Dr. Warshawsky compared with the Indiana median for internists, 2024

  • Dr. Warshawsky
  • Indiana median
Medicare services
672vs 52029% above
Medicare patients
229vs 2128% above
Part D claims
109vs 15931% below

Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.

Dr. Warshawsky'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.

See all procedures by Dr. Warshawsky

Need commercial claims for Dr. Warshawsky?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warshawsky and other internists in Indiana.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Reuben Wai Ming Warshawsky treated 229 Medicare patients in 2024, average age 77

CMS counts 229 Medicare patients who saw Dr. Warshawsky in 2024. The largest group is 75 to 84, with 86 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.27, 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. Warshawsky's median patient age at 67, with 47% women.

Medicare patients, 2024229
Average age77
Average risk score2.27
Also on Medicaid21%

Dr. Warshawsky's Medicare patients by age, 2024

Dr. Warshawsky's Medicare patients by sex, 2024

  • Women11651%
  • Men11349%

Chronic conditions among Dr. Warshawsky's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease58%
  4. Arthritis51%
  5. Mood disorders48%
  6. Diabetes46%
  7. Ischemic heart disease46%
  8. Anxiety45%

Share of Medicare patients with each condition. A patient can have several.

Dr. Warshawsky'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

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Reuben Wai Ming Warshawsky wrote 327 Medicare Part D claims in 2024

In 2024, Dr. Warshawsky wrote 327 Medicare Part D claims for 145 patients. 87% of them were for generic drugs. CMS names the drug for 109 of them, across 6 drugs with 11 or more claims each, at $820 in total drug cost. In 2023, CMS named 126 claims across 7 drugs.

Part D claims, 2024327
Drugs named by CMS6
Total drug cost$820
Part D patients145

Dr. Warshawsky's Part D claims by kind of drug, 2024

  • Generic283 claims87%
  • Brand-name and other44 claims13%

Dr. Warshawsky'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.

Drug classes CMS tracks in Dr. Warshawsky's Part D claims, 2024

  • Opioids5%15 of 327 claims
  • Antibiotics29%95 of 327 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1262024: 10913%

Drugs named by CMS: 6 in 2024, 7 in 2023.

See all prescribing by Dr. Warshawsky

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. Reuben Wai Ming Warshawsky takes part in Medicare

Dr. Warshawsky 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 internists like Dr. Warshawsky 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. Reuben Wai Ming Warshawsky received $157 in industry payments from 2020 to 2022

CMS Open Payments shows 2 general payments to Dr. Warshawsky from 2 drug and device companies from 2020 to 2022. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $92.

General payments to Dr. Warshawsky by program year, 2020 to 2022

Companies that paid Dr. Warshawsky the most, 2020 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Warshawsky

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Reuben Wai Ming Warshawsky graduated from Indiana University School of Medicine

Dr. Warshawsky graduated from Indiana University School of Medicine in 2019.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Reuben Wai Ming Warshawsky's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Reuben Wai Ming Warshawsky

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. Reuben Wai Ming Warshawsky's NPI number?

Dr. Reuben Wai Ming Warshawsky's NPI number is 1740841006. It was assigned on June 26, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Reuben Wai Ming Warshawsky?

Dr. Reuben Wai Ming Warshawsky is an internist in Lafayette, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Reuben Wai Ming Warshawsky practice?

Dr. Warshawsky practices at 5165 McCarty Ln, Lafayette, IN 47905. Dr. Warshawsky's primary practice is Indiana University Health Arnett Hospital in Lafayette, Indiana, part of Indiana University Health. Dmand AI also links Dr. Warshawsky to 1 hospital and 1 medical group.

What is Dr. Reuben Wai Ming Warshawsky's office phone number?

The practice phone on file for Dr. Warshawsky is (765) 448-8000.

What is Dr. Reuben Wai Ming Warshawsky's medical license number?

Dr. Warshawsky holds Indiana license 01087381A.

Which hospitals is Dr. Reuben Wai Ming Warshawsky affiliated with?

Dr. Warshawsky practices at Indiana University Health Arnett Hospital in Lafayette, Indiana. Dr. Warshawsky is also affiliated with IU Health Methodist Hospital. Dmand AI links Dr. Warshawsky to 1 more hospital.

What medical group is Dr. Reuben Wai Ming Warshawsky part of?

Dr. Warshawsky is linked to IU Health Medical Group. Dmand AI links Dr. Warshawsky to 1 more medical group.

Does Dr. Reuben Wai Ming Warshawsky accept Medicare?

Yes. CMS data shows Dr. Warshawsky billed Medicare for 672 services in 2024, and Dr. Warshawsky accepts Medicare assignment.

How many Medicare patients does Dr. Reuben Wai Ming Warshawsky see?

CMS counts 229 Medicare patients who saw Dr. Warshawsky in 2024, with an average age of 77.

What services does Dr. Reuben Wai Ming Warshawsky bill to Medicare?

In 2024, Dr. Warshawsky's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

Show 4 more questionsShow fewer questions

Where did Dr. Reuben Wai Ming Warshawsky go to medical school?

Dr. Warshawsky graduated from Indiana University School of Medicine in 2019.

What drugs does Dr. Reuben Wai Ming Warshawsky prescribe most?

In 2024 Medicare Part D data, Dr. Warshawsky's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Prednisone and Pantoprazole Sodium.

Has Dr. Reuben Wai Ming Warshawsky received payments from drug or device companies?

CMS Open Payments shows $157 in general payments to Dr. Warshawsky from 2 companies from 2020 to 2022. The largest total came from Novo Nordisk Inc.

How long has Dr. Reuben Wai Ming Warshawsky been practicing?

Dr. Warshawsky graduated from medical school in 2019, 7 years ago.

Selling to internal medicine practices?

See internists in Indiana 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)