Dr. Benjamin Lewis Margolis, MD
- Medicare services, 2024
- 202
- Medicare patients, 2024
- 146
- Part D claims, 2024
- 831
- Hospital affiliations
- 2
- Industry payments
- $125
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Margolis' professional email, personal email and mobile number
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Dr. Benjamin Lewis Margolis is a nephrologist in Ann Arbor, Michigan
Dr. Margolis practices at University Hospital in Ann Arbor, Michigan.
Dr. Margolis' NPI, 1013099928, was assigned on October 19, 2006. Dr. Margolis holds Michigan license 4301065167.
- NPI
- 1013099928NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426187089
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Lewis Margolis practices at University Hospital in Ann Arbor, Michigan
Dr. Margolis' primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Benjamin Lewis Margolis is affiliated with 3 sites of care and 1 medical group
Dr. Margolis' primary practice is University Hospital in Ann Arbor, Michigan. Dr. Margolis is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Margolis to 1 more hospital, named with a free account. Dr. Margolis' employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Benjamin Lewis Margolis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Margolis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Lewis Margolis is one of 310 nephrologists in Michigan
Nephrology is Dr. Margolis' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Margolis is licensed in Michigan.
Specialties and state licenses
- Nephrology, MichiganPrimary
Nephrologists near Dr. Margolis
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. Benjamin Lewis Margolis billed Medicare for 202 services in 2024
CMS data shows 202 Medicare services from Dr. Margolis across 3 procedure codes in 2024, for 146 Medicare patients. Medicare paid $12,270 for them.
Dr. Margolis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2252024: 17920%
- Other services
- 2023: 02024: 23
Where Dr. Margolis' Medicare services took place, 2024
- In an office18290%
- In a facility2010%
Dr. Margolis compared with the Michigan median for nephrologists, 2024
- Dr. Margolis
- Michigan median
- Medicare services
- 202vs 84976% below
- Medicare patients
- 146vs 26946% below
- Part D claims
- 679vs 57418% above
Medians across 310 nephrologists in Michigan with Dmand AI profiles that report each measure.
Dr. Margolis' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Margolis and other nephrologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Lewis Margolis treated 146 Medicare patients in 2024, average age 74
CMS counts 146 Medicare patients who saw Dr. Margolis in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 2.06, 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. Margolis' median patient age at 71, with 50% women.
Dr. Margolis' Medicare patients by age, 2024
Dr. Margolis' Medicare patients by sex, 2024
- Women6847%
- Men7853%
Chronic conditions among Dr. Margolis' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol74%
- Arthritis50%
- Ischemic heart disease47%
- Diabetes45%
- Heart failure33%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Margolis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin Lewis Margolis wrote 831 Medicare Part D claims in 2024
In 2024, Dr. Margolis wrote 831 Medicare Part D claims for 131 patients. 89% of them were for generic drugs. CMS names the drug for 679 of them, across 28 drugs with 11 or more claims each, at $71,817 in total drug cost. In 2023, CMS named 551 claims across 25 drugs.
Dr. Margolis' Part D claims by kind of drug, 2024
- Generic738 claims89%
- Brand-name93 claims11%
Dr. Margolis' 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: 5512024: 67923%
Drugs named by CMS: 28 in 2024, 25 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
Dr. Benjamin Lewis Margolis offers telehealth to Medicare patients
Dr. Margolis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Margolis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Benjamin Lewis Margolis received $125 in industry payments from 2017 to 2022
CMS Open Payments shows 7 general payments to Dr. Margolis from 2 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 90% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $112.
General payments to Dr. Margolis by program year, 2017 to 2022
General payments to Dr. Margolis by kind, 2017 to 2022
- Food and beverage$11290%
- Education$1210%
Companies that paid Dr. Margolis the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Benjamin Lewis Margolis'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) |
| 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. Benjamin Lewis Margolis
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. Benjamin Lewis Margolis' NPI number?
Dr. Benjamin Lewis Margolis' NPI number is 1013099928. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Lewis Margolis?
Dr. Benjamin Lewis Margolis is a nephrologist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Benjamin Lewis Margolis practice?
Dr. Margolis practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Margolis' primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Margolis to 1 hospital.
What is Dr. Benjamin Lewis Margolis' office phone number?
The practice phone on file for Dr. Margolis is (734) 936-4000.
What is Dr. Benjamin Lewis Margolis' medical license number?
Dr. Margolis holds Michigan license 4301065167.
Which hospitals is Dr. Benjamin Lewis Margolis affiliated with?
Dr. Margolis is affiliated with University Hospital. Dmand AI links Dr. Margolis to 1 more hospital.
What medical group is Dr. Benjamin Lewis Margolis part of?
Dr. Margolis is linked to University of Michigan Health.
Does Dr. Benjamin Lewis Margolis accept Medicare?
Yes. CMS data shows Dr. Margolis billed Medicare for 202 services in 2024, and Dr. Margolis accepts Medicare assignment.
Does Dr. Benjamin Lewis Margolis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Margolis as offering telehealth services.
How many Medicare patients does Dr. Benjamin Lewis Margolis see?
CMS counts 146 Medicare patients who saw Dr. Margolis in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Benjamin Lewis Margolis bill to Medicare?
In 2024, Dr. Margolis' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, new patient (99204).
What drugs does Dr. Benjamin Lewis Margolis prescribe most?
In 2024 Medicare Part D data, Dr. Margolis' most prescribed drugs by claims were Lisinopril, Amlodipine Besylate and Losartan Potassium.
Has Dr. Benjamin Lewis Margolis received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Margolis from 2 companies from 2017 to 2022. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Benjamin Lewis Margolis been practicing?
Dr. Margolis graduated from medical school in 1981, 45 years ago.
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