Dr. Robert Louis Hooker Jr., MD
- Medicare services, 2022
- 39
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 46
- Publications
- 33
- Hospital affiliations
- 4
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hooker'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. Robert Louis Hooker Jr. is a cardiothoracic surgeon in Grand Rapids, Michigan
Dr. Hooker practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Hooker's NPI, 1265405765, was assigned on February 7, 2006. Dr. Hooker holds Michigan license 4301071049.
- NPI
- 1265405765NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759366487
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Louis Hooker Jr. practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Hooker's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Robert Louis Hooker Jr. is affiliated with 7 sites of care and 2 medical groups
Dr. Hooker's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Hooker is also affiliated with Norton Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Hooker to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Louis Hooker Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hooker practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Louis Hooker Jr. is one of 176 cardiothoracic surgeons in Michigan
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Hooker's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Hooker is licensed in Michigan.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MichiganPrimary
Cardiothoracic surgeons near Dr. Hooker
Counts of cardiothoracic surgeons 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 Louis Hooker Jr. billed Medicare for 39 services in 2022
CMS data shows 39 Medicare services from Dr. Hooker across 3 procedure codes in 2022, for 47 Medicare patients. Medicare paid $15,968 for them.
Dr. Hooker's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Surgery
- 2021: 02022: 27
- Office and hospital visits
- 2021: 152022: 1220%
Where Dr. Hooker's Medicare services took place, 2022
- In an office1231%
- In a facility2769%
Dr. Hooker compared with the Michigan median for cardiothoracic surgeons, 2022
- Dr. Hooker
- Michigan median
- Medicare services
- 39vs 9258% below
- Medicare patients
- 47vs 8645% below
- Part D claims
- 12vs 2450% below
Medians across 148 cardiothoracic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Hooker'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. Hooker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hooker and other cardiothoracic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Louis Hooker Jr. treated 47 Medicare patients in 2024, average age 66
CMS counts 47 Medicare patients who saw Dr. Hooker in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have heart failure, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.72, 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. Hooker's median patient age at 67, with 27% women.
Dr. Hooker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Hooker's Medicare patients, 2024
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease74%
- Atrial fibrillation68%
- Chronic kidney disease57%
- Diabetes53%
- COPD40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hooker'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
- Women27%
- Men73%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Louis Hooker Jr. wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Hooker wrote 46 Medicare Part D claims for 16 patients. 96% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $95 in total drug cost. In 2016, CMS named 13 claims across 1 drug.
Dr. Hooker's Part D claims by kind of drug, 2024
- Generic44 claims96%
- Brand-name and other2 claims4%
Dr. Hooker's most prescribed drugs by claims, 2022
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 2022
- 2016
- 2022
- Claims for drugs CMS names
- 2016: 132022: 128%
Drugs named by CMS: 1 in 2022, 1 in 2016.
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 Louis Hooker Jr. offers telehealth to Medicare patients
Dr. Hooker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hooker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert Louis Hooker Jr. has 33 publications on record
Dmand AI links 33 papers to Dr. Hooker, published from 2010 to 2024. 2022 was the busiest year, with 3. The most frequent topics are Cardiac Surgical Procedures, Heart-Assist Devices and Cardiopulmonary Bypass. Dr. Hooker has published most often in J Card Surg. Dr. Hooker's most frequent co-authors are Tomasz A. Timek, MD, Edward T. Murphy, MD and Charles L. Willekes, MD.
Dr. Hooker's papers by year, 2014 to 2024
Topics Dr. Hooker writes about most
- Cardiac Surgical Procedures
- Heart-Assist Devices
- Cardiopulmonary Bypass
- Echocardiography, Transesophageal
- Heart Failure
- Aorta
- Aortic Dissection
- Extracorporeal Membrane Oxygenation
Dr. Hooker's most frequent co-authors
- Tomasz A. Timek, MD10 shared papers
- Edward T. Murphy, MD7 shared papers
- Charles L. Willekes, MD7 shared papers
Recent publications by Dr. Hooker
J Heart Lung Transplant
J Card Surg
See who Dr. Hooker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hooker works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Louis Hooker Jr. received $55,991 in industry payments from 2016 to 2025
CMS Open Payments shows 193 general payments to Dr. Hooker from 27 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 67% of the total. Paragonix Technologies, Inc. paid the most, $37,500.
General payments to Dr. Hooker by program year, 2016 to 2025
General payments to Dr. Hooker by kind, 2016 to 2025
- Consulting fees$37,50067%
- Food and beverage$10,06118%
- Travel and lodging$8,43015%
Companies that paid Dr. Hooker 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. Robert Louis Hooker Jr.'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Robert Louis Hooker Jr.
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 Louis Hooker Jr.'s NPI number?
Dr. Robert Louis Hooker Jr.'s NPI number is 1265405765. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Louis Hooker Jr.?
Dr. Robert Louis Hooker Jr. is a cardiothoracic surgeon in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Robert Louis Hooker Jr. practice?
Dr. Hooker practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Hooker's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Hooker to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Robert Louis Hooker Jr.'s office phone number?
The practice phone on file for Dr. Hooker is (616) 391-1774.
What is Dr. Robert Louis Hooker Jr.'s medical license number?
Dr. Hooker holds Michigan license 4301071049.
Which hospitals is Dr. Robert Louis Hooker Jr. affiliated with?
Dr. Hooker practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Hooker is also affiliated with Norton Hospital. Dmand AI links Dr. Hooker to 2 more hospitals.
What medical group is Dr. Robert Louis Hooker Jr. part of?
Dr. Hooker is linked to Corewell Health Medical Group West. Dmand AI links Dr. Hooker to 1 more medical group.
Does Dr. Robert Louis Hooker Jr. accept Medicare?
Yes. CMS data shows Dr. Hooker billed Medicare for 39 services in 2022, and Dr. Hooker accepts Medicare assignment.
Does Dr. Robert Louis Hooker Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hooker as offering telehealth services.
How many Medicare patients does Dr. Robert Louis Hooker Jr. see?
CMS counts 47 Medicare patients who saw Dr. Hooker in 2024, with an average age of 66.
Show 6 more questionsShow fewer questions
What services does Dr. Robert Louis Hooker Jr. bill to Medicare?
In 2022, Dr. Hooker's most billed Medicare services were surgery: heart and blood vessels (33508), office visit, new patient (99205) and surgery: heart and blood vessels (33533).
What drugs does Dr. Robert Louis Hooker Jr. prescribe most?
In 2022 Medicare Part D data, Dr. Hooker's most prescribed drugs by claims were Metoprolol Tartrate.
Has Dr. Robert Louis Hooker Jr. received payments from drug or device companies?
CMS Open Payments shows $55,991 in general payments to Dr. Hooker from 27 companies from 2016 to 2025. The largest total came from Paragonix Technologies, Inc.
How long has Dr. Robert Louis Hooker Jr. been practicing?
Dr. Hooker graduated from medical school in 1987, 39 years ago.
Does Dr. Robert Louis Hooker Jr. do research?
Dmand AI links 33 publications to Dr. Hooker, published from 2010 to 2024.
Who does Dr. Robert Louis Hooker Jr. publish with?
Dr. Hooker's most frequent co-authors are Tomasz A. Timek, MD (10 shared papers), Edward T. Murphy, MD (7 shared papers) and Charles L. Willekes, MD (7 shared papers).
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