Dr. Robert J. Dimitriou, MD

  • Grand Rapids, MI
  • Urologist
NPI1932163763PAC ID0648222125
Medicare services, 2024
2,005
Medicare patients, 2024
659
Part D claims, 2024
1,515
Publications
3
Hospital affiliations
5
Practice address
5800 Foremost SE Dr, Grand Rapids, MI 49546
Practice phone
Call (616) 954-9800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Chc - East

Grand Rapids, Michigan

See all 12 affiliations

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Dr. Robert J. Dimitriou is a urologist in Grand Rapids, Michigan

Dr. Dimitriou practices at Chc - East in Grand Rapids, Michigan.

Dr. Dimitriou's NPI, 1932163763, was assigned on April 17, 2006. Dr. Dimitriou graduated from Wayne State University School Of Medicine in 1997. Dr. Dimitriou holds Michigan license 4301080784.

NPI and contact details
Medicare PAC ID
0648222125
NPI enumeration date
April 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 954-9800
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

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

Dr. Robert J. Dimitriou practices at Chc - East in Grand Rapids, Michigan

Dr. Dimitriou's primary practice is Chc - East, at 5800 Foremost SE Dr, Grand Rapids, MI 49546 in Kent County. The practice phone is (616) 954-9800.

  • Chc - East
    5800 Foremost SE Dr, Grand Rapids, MI 49546 · Kent CountyPhone(616) 954-9800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert J. Dimitriou is affiliated with 9 sites of care and 3 medical groups

Dr. Dimitriou's primary practice is Chc - East in Grand Rapids, Michigan. Dr. Dimitriou is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is The Cancer & Hematology Centers. Dmand AI also links Dr. Dimitriou to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 12 affiliations for Dr. Dimitriou

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert J. Dimitriou's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dimitriou practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Chc - EastAvailable with a free account
+8 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert J. Dimitriou is one of 389 urologists in Michigan

Urology is Dr. Dimitriou's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Dimitriou is board certified in urology by the American Board of Urology. Dmand AI has Dr. Dimitriou's licenses on file in 3 states: Michigan, Wisconsin and Illinois.

Specialties and state licenses

  • Urology, MichiganPrimaryLicense 4301080784 · 2002 to 2027 · taxonomy 208800000X
  • Wisconsin license2014 to 2017
  • Illinois license1997 to 2014

Clinical focus

Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney removal surgery, kidney stone disease, prostate cancer and testicular dysfunction among the conditions Dr. Dimitriou treats.

Urologists near Dr. Dimitriou

Counts of urologists 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. Robert J. Dimitriou billed Medicare for 2,005 services in 2024

CMS data shows 2,005 Medicare services from Dr. Dimitriou across 19 procedure codes in 2024, for 659 Medicare patients. Medicare paid $111,973 for them.

Medicare services, 20242,005
Medicare patients659
Paid by Medicare$111,973
Procedure codes19

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

  • 2023
  • 2024
Office and hospital visits
2023: 7342024: 7857%
Surgery
2023: 5432024: 61814%
Lab and pathology
2023: 3812024: 4077%
Imaging
2023: 1802024: 1753%
Tests and treatments
2023: 192024: 205%
Drugs given in the office
2023: 1242024: 0100%

Where Dr. Dimitriou's Medicare services took place, 2024

  • In an office1,85593%
  • In a facility1507%

Dr. Dimitriou compared with the Michigan median for urologists, 2024

  • Dr. Dimitriou
  • Michigan median
Medicare services
2,005vs 6043.3 times
Medicare patients
659vs 2992.2 times
Part D claims
1,372vs 70196% above

Medians across 380 urologists in Michigan with Dmand AI profiles that report each measure.

Dr. Dimitriou'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. Dimitriou

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dimitriou and other urologists in Michigan.

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

Dr. Robert J. Dimitriou treated 659 Medicare patients in 2024, average age 75

CMS counts 659 Medicare patients who saw Dr. Dimitriou in 2024. The largest group is 65 to 74, with 254 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dimitriou's median patient age at 69, with 23% women.

Medicare patients, 2024659
Average age75
Average risk score1.40
Also on Medicaid12%

Dr. Dimitriou's Medicare patients by age, 2024

Dr. Dimitriou's Medicare patients by sex, 2024

  • Women18528%
  • Men47472%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Diabetes35%
  5. Chronic kidney disease30%
  6. Cancer29%
  7. Ischemic heart disease29%
  8. Anxiety27%

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

Dr. Dimitriou's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women23%
  • Men77%

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

Dr. Robert J. Dimitriou wrote 1,515 Medicare Part D claims in 2024

In 2024, Dr. Dimitriou wrote 1,515 Medicare Part D claims for 497 patients. 78% of them were for generic drugs. CMS names the drug for 1,372 of them, across 27 drugs with 11 or more claims each, at $841,732 in total drug cost. In 2023, CMS named 1,472 claims across 31 drugs.

Part D claims, 20241,515
Drugs named by CMS27
Total drug cost$841,732
Part D patients497

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

  • Generic1,183 claims78%
  • Brand-name and other332 claims22%

Dr. Dimitriou'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. Dimitriou's Part D claims, 2024

  • Opioids1%17 of 1,515 claims
  • Antibiotics13%197 of 1,515 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: 1,4722024: 1,3727%

Drugs named by CMS: 27 in 2024, 31 in 2023.

See all prescribing by Dr. Dimitriou

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. Robert J. Dimitriou ranks in the 67th percentile for prostate resection in Medicare

Dr. Dimitriou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of prostate resection by Dr. Dimitriou, more than 67% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Dimitriou ranks in Medicare procedure volume

Prostate resection
67th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Robert J. Dimitriou has 3 publications on record

Dmand AI links 3 papers to Dr. Dimitriou. Dr. Dimitriou's most frequent co-author is Bejan J. Fakouri, MD.

Papers3

Dr. Dimitriou's most frequent co-authors

Recent publications by Dr. Dimitriou

See all 3 publications and co-authors

See who Dr. Dimitriou researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dimitriou works with, so you can find a warm path to the right urologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Robert J. Dimitriou received $16,582 in industry payments from 2016 to 2025

CMS Open Payments shows 682 general payments to Dr. Dimitriou from 64 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Astellas Pharma US Inc paid the most, $1,837.

General payments to Dr. Dimitriou by program year, 2016 to 2025

General payments to Dr. Dimitriou by kind, 2016 to 2025

$16.6Kin total
  • Food and beverage$14,08585%
  • Education$1,5149%
  • Travel and lodging$9846%

Companies that paid Dr. Dimitriou the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dimitriou

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

Dr. Robert J. Dimitriou graduated from Wayne State University School Of Medicine

Dr. Dimitriou graduated from Wayne State University School Of Medicine in 1997.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. Robert J. Dimitriou accepts plans from 20 insurance carriers

Dr. Dimitriou is in network with 20 carriers, including Elevance, Aetna and Health Alliance Plan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Health Alliance Plan
  • Priority Health
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • +12 more carriersWith a free account

Plan types Dr. Dimitriou accepts, by number of carriers

  1. PPO12
  2. HMO11
  3. Medicare11
  4. POS6
  5. EPO5
  6. Medicaid4

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert J. Dimitriou'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Robert J. Dimitriou

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. Robert J. Dimitriou's NPI number?

Dr. Robert J. Dimitriou's NPI number is 1932163763. It was assigned on April 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert J. Dimitriou?

Dr. Robert J. Dimitriou is a urologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Robert J. Dimitriou practice?

Dr. Dimitriou practices at 5800 Foremost SE Dr, Grand Rapids, MI 49546. Dr. Dimitriou's primary practice is Chc - East in Grand Rapids, Michigan. Dmand AI also links Dr. Dimitriou to 4 hospitals, 3 group practices and clinics and 2 medical groups.

What is Dr. Robert J. Dimitriou's office phone number?

The practice phone on file for Dr. Dimitriou is (616) 954-9800.

What is Dr. Robert J. Dimitriou's medical license number?

Dr. Dimitriou holds Michigan license 4301080784, one of the licenses on file in 3 states.

Which states has Dr. Robert J. Dimitriou been licensed in?

Dmand AI has state licenses on file for Dr. Dimitriou in Michigan (2002 to 2027), Wisconsin (2014 to 2017) and Illinois (1997 to 2014).

Which hospitals is Dr. Robert J. Dimitriou affiliated with?

Dr. Dimitriou is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Dimitriou to 4 more hospitals.

What medical group is Dr. Robert J. Dimitriou part of?

Dr. Dimitriou is linked to The Cancer & Hematology Centers. Dmand AI links Dr. Dimitriou to 2 more medical groups.

Does Dr. Robert J. Dimitriou accept Medicare?

Yes. CMS data shows Dr. Dimitriou billed Medicare for 2,005 services in 2024, and Dr. Dimitriou accepts Medicare assignment.

How many Medicare patients does Dr. Robert J. Dimitriou see?

CMS counts 659 Medicare patients who saw Dr. Dimitriou in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Robert J. Dimitriou board certified?

Yes. Dr. Dimitriou is board certified in urology by the American Board of Urology.

What services does Dr. Robert J. Dimitriou bill to Medicare?

In 2024, Dr. Dimitriou's most billed Medicare services were lab and pathology test (81003), office visit, established patient (99213) and surgery: urinary system (51798).

Where did Dr. Robert J. Dimitriou go to medical school?

Dr. Dimitriou graduated from Wayne State University School Of Medicine in 1997.

What drugs does Dr. Robert J. Dimitriou prescribe most?

In 2024 Medicare Part D data, Dr. Dimitriou's most prescribed drugs by claims were Tamsulosin HCl, Gemtesa and Dutasteride.

Has Dr. Robert J. Dimitriou received payments from drug or device companies?

CMS Open Payments shows $16,582 in general payments to Dr. Dimitriou from 64 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.

How long has Dr. Robert J. Dimitriou been practicing?

Dr. Dimitriou graduated from medical school in 1997, 29 years ago.

Does Dr. Robert J. Dimitriou do research?

Dmand AI links 3 publications to Dr. Dimitriou.

Who does Dr. Robert J. Dimitriou publish with?

Dr. Dimitriou's most frequent co-authors are Bejan J. Fakouri, MD (1 shared paper).

What insurance does Dr. Robert J. Dimitriou accept?

Dr. Dimitriou is in network with 20 carriers, including Elevance, Aetna and Health Alliance Plan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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