Dr. Ruben F. Lewin, MD
- Medicare services, 2016
- 552
- Part D claims, 2017
- 223
- Industry payments
- $386
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 2778 S 35th St, Milwaukee, WI 53215-3578
- Practice phone
- Call (414) 672-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Milwaukee Cardiovascular Center
Physician office · Milwaukee, Wisconsin
Find Dr. Lewin'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. Ruben F. Lewin is a cardiologist in Greenfield, Wisconsin
Dr. Lewin practices at Milwaukee Cardiovascular Center in Milwaukee, Wisconsin.
Dr. Lewin's NPI, 1952365728, was assigned on April 17, 2006. Dr. Lewin holds Wisconsin license 28898020.
- NPI
- 1952365728NPI Registry (opens in a new tab)
- NPI enumeration date
- April 17, 2006
- NPI status
- Active
- Practice phone
- (414) 672-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ruben F. Lewin practices in Milwaukee and Greenfield
Dr. Lewin's primary practice is Milwaukee Cardiovascular Center, at 2778 S 35th St, Milwaukee, WI 53215-3578. The practice phone is (414) 672-7200. The NPI Registry lists Dr. Lewin's practice address as 4931 S 27th St, Greenfield, WI 53221.
- Milwaukee Cardiovascular CenterPrimary2778 S 35th St, Milwaukee, WI 53215-3578Phone(414) 672-7200
- NPI Registry address4931 S 27th St, Greenfield, WI 53221Phone(414) 672-7200
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Ruben F. Lewin is affiliated with 1 site of care
Dr. Lewin's primary practice is Milwaukee Cardiovascular Center in Milwaukee, Wisconsin.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ruben F. Lewin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Milwaukee Cardiovascular Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ruben F. Lewin is one of 354 cardiologists in Wisconsin
Cardiovascular disease is Dr. Lewin's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Lewin is licensed in Wisconsin.
Specialties and state licenses
- Cardiovascular disease, WisconsinPrimary
Cardiologists near Dr. Lewin
Counts of cardiologists 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. Ruben F. Lewin billed Medicare for 552 services in 2016
CMS data shows 552 Medicare services from Dr. Lewin across 5 procedure codes in 2016. Medicare paid $34,013 for them.
Dr. Lewin's Medicare services by type, 2016
- Office and hospital visits289
- Tests and treatments263
Where Dr. Lewin's Medicare services took place, 2016
- In an office40874%
- In a facility14426%
Dr. Lewin compared with the Wisconsin median for cardiologists, 2016
- Dr. Lewin
- Wisconsin median
- Medicare services
- 552vs 1,12451% below
- Part D claims
- 223vs 1,15481% below
Medians across 359 cardiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Lewin's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewin and other cardiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ruben F. Lewin's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Dr. Lewin's median patient age at 20, with 0% women.
Dr. Lewin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Ruben F. Lewin wrote 223 Medicare Part D claims in 2017
In 2017, Dr. Lewin wrote 223 Medicare Part D claims. They cover 10 drugs, with $2,480 in total drug cost. In 2016, CMS named 2,836 claims across 39 drugs.
Dr. Lewin's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 2,8362017: 22392%
Drugs named by CMS: 10 in 2017, 39 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ruben F. Lewin received $386 in industry payments in 2016
CMS Open Payments shows 25 general payments to Dr. Lewin from 12 drug and device companies in 2016. Food and beverage make up the largest share, 97% of the total. Bristol-Myers Squibb Company paid the most, $67.
General payments to Dr. Lewin by kind, 2016 to 2016
- Food and beverage$37397%
- Education$133%
Companies that paid Dr. Lewin the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ruben F. Lewin'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Ruben F. Lewin
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. Ruben F. Lewin's NPI number?
Dr. Ruben F. Lewin's NPI number is 1952365728. It was assigned on April 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruben F. Lewin?
Dr. Ruben F. Lewin is a cardiologist in Greenfield, Wisconsin. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Ruben F. Lewin practice?
Dr. Lewin practices at 2778 S 35th St, Milwaukee, WI 53215-3578. Dr. Lewin also practices at 4931 S 27th St, Greenfield, WI 53221. Dr. Lewin's primary practice is Milwaukee Cardiovascular Center in Milwaukee, Wisconsin.
What is Dr. Ruben F. Lewin's office phone number?
The practice phone on file for Dr. Lewin is (414) 672-7200.
What is Dr. Ruben F. Lewin's medical license number?
Dr. Lewin holds Wisconsin license 28898020.
Does Dr. Ruben F. Lewin accept Medicare?
Yes. CMS data shows Dr. Lewin billed Medicare for 552 services in 2016.
What services does Dr. Ruben F. Lewin bill to Medicare?
In 2016, Dr. Lewin's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and heart test or procedure (93306).
What drugs does Dr. Ruben F. Lewin prescribe most?
In 2017 Medicare Part D data, Dr. Lewin's most prescribed drugs by claims were Clopidogrel, Hydrochlorothiazide and Lisinopril.
Has Dr. Ruben F. Lewin received payments from drug or device companies?
CMS Open Payments shows $386 in general payments to Dr. Lewin from 12 companies from 2016 to 2016. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ruben F. Lewin been practicing?
Dr. Lewin's NPI was assigned in 2006.
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