Dr. Benjamin Rentfrow, DO
- Medicare services, 2024
- 41
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 32
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Practice address
- 7169 Kalamazoo Ave Se Suite 100 Suite 100, Caledonia, MI 49316-8146
- Practice phone
- Call (616) 266-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thornapple River Orthopedics
Surgical practice · Caledonia, Michigan
Find Dr. Rentfrow'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. Benjamin Rentfrow is an orthopedic surgeon in Caledonia, Michigan
Dr. Rentfrow practices at Thornapple River Orthopedics in Caledonia, Michigan.
Dr. Rentfrow's NPI, 1962618751, was assigned on May 16, 2007. Dr. Rentfrow holds Michigan license 5101016918.
- NPI
- 1962618751NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880840867
- NPI enumeration date
- May 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 266-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Rentfrow practices at Thornapple River Orthopedics in Caledonia, Michigan
Dr. Rentfrow's primary practice is Thornapple River Orthopedics, at 7169 Kalamazoo Ave Se Suite 100 Suite 100, Caledonia, MI 49316-8146. The practice phone is (616) 266-9100.
- Thornapple River Orthopedics7169 Kalamazoo Ave Se Suite 100 Suite 100, Caledonia, MI 49316-8146Phone(616) 266-9100
Source: Dmand AI Affiliation Data
Dr. Benjamin Rentfrow is affiliated with 3 sites of care and 2 medical groups
Dr. Rentfrow's primary practice is Thornapple River Orthopedics in Caledonia, Michigan. Dr. Rentfrow is also affiliated with University of Michigan Health-West Hospital. The medical group on file is Thornapple River Orthopedics. Dmand AI also links Dr. Rentfrow to 1 more hospital and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Benjamin Rentfrow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rentfrow practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thornapple River Orthopedics | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Rentfrow is one of 823 orthopedic surgeons in Michigan
Orthopaedic surgery is Dr. Rentfrow's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Rentfrow is licensed in Michigan.
Specialties and state licenses
- Orthopaedic surgery, MichiganPrimary
Orthopedic surgeons near Dr. Rentfrow
Counts of orthopedic 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. Benjamin Rentfrow billed Medicare for 41 services in 2024
CMS data shows 41 Medicare services from Dr. Rentfrow across 2 procedure codes in 2024, for 17 Medicare patients. Medicare paid $2,625 for them. Every service was in an office.
Dr. Rentfrow's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 5632024: 2396%
- Imaging
- 2021: 2582024: 1893%
Dr. Rentfrow compared with the Michigan median for orthopedic surgeons, 2024
- Dr. Rentfrow
- Michigan median
- Medicare services
- 41vs 52392% below
- Medicare patients
- 17vs 17290% below
- Part D claims
- 100vs 8025% above
Medians across 781 orthopedic surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Rentfrow'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.
Need commercial claims for Dr. Rentfrow?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rentfrow and other orthopedic surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Rentfrow treated 17 Medicare patients in 2024, average age 74
CMS counts 17 Medicare patients who saw Dr. Rentfrow in 2024. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rentfrow's median patient age at 67, with 61% women.
Chronic conditions among Dr. Rentfrow's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rentfrow'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
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin Rentfrow wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Rentfrow wrote 32 Medicare Part D claims. 94% of them were for generic drugs. They cover 6 drugs, with $668 in total drug cost. In 2020, CMS named 84 claims across 4 drugs.
Dr. Rentfrow's Part D claims by kind of drug, 2024
- Generic30 claims94%
- Brand-name and other2 claims6%
Dr. Rentfrow's most prescribed drugs by claims, 2021
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. Rentfrow's Part D claims, 2024
- Opioids38%12 of 32 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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 842021: 10019%
Drugs named by CMS: 6 in 2021, 4 in 2020.
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 Rentfrow scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Rentfrow for performance year 2024, reported as part of a group. Dr. Rentfrow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Rentfrow's MIPS scores, performance year 2024
- 93of 100Final score
- 93.4of 100Quality
- 40of 100Improvement Activities
- 85of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Benjamin Rentfrow received $6,403 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Rentfrow from 12 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 78% of the total. Globus Medical, Inc. paid the most, $4,850.
General payments to Dr. Rentfrow by program year, 2016 to 2025
General payments to Dr. Rentfrow by kind, 2016 to 2025
- Travel and lodging$4,96678%
- Food and beverage$1,43722%
Companies that paid Dr. Rentfrow 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. Benjamin Rentfrow's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Benjamin Rentfrow
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What is Dr. Benjamin Rentfrow's NPI number?
Dr. Benjamin Rentfrow's NPI number is 1962618751. It was assigned on May 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Rentfrow?
Dr. Benjamin Rentfrow is an orthopedic surgeon in Caledonia, Michigan. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Benjamin Rentfrow practice?
Dr. Rentfrow practices at 7169 Kalamazoo Ave Se Suite 100 Suite 100, Caledonia, MI 49316-8146. Dr. Rentfrow's primary practice is Thornapple River Orthopedics in Caledonia, Michigan. Dmand AI also links Dr. Rentfrow to 1 hospital and 1 medical group.
What is Dr. Benjamin Rentfrow's office phone number?
The practice phone on file for Dr. Rentfrow is (616) 266-9100.
What is Dr. Benjamin Rentfrow's medical license number?
Dr. Rentfrow holds Michigan license 5101016918.
Which hospitals is Dr. Benjamin Rentfrow affiliated with?
Dr. Rentfrow is affiliated with University of Michigan Health-West Hospital. Dmand AI links Dr. Rentfrow to 1 more hospital.
What medical group is Dr. Benjamin Rentfrow part of?
Dr. Rentfrow is linked to Thornapple River Orthopedics. Dmand AI links Dr. Rentfrow to 1 more medical group.
Does Dr. Benjamin Rentfrow accept Medicare?
Yes. CMS data shows Dr. Rentfrow billed Medicare for 41 services in 2024, and Dr. Rentfrow accepts Medicare assignment.
What is Dr. Benjamin Rentfrow's MIPS score?
Dr. Rentfrow's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Benjamin Rentfrow see?
CMS counts 17 Medicare patients who saw Dr. Rentfrow in 2024, with an average age of 74.
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What services does Dr. Benjamin Rentfrow bill to Medicare?
In 2024, Dr. Rentfrow's most billed Medicare services were office visit, established patient (99214) and diagnostic imaging (72100).
What drugs does Dr. Benjamin Rentfrow prescribe most?
In 2021 Medicare Part D data, Dr. Rentfrow's most prescribed drugs by claims were Methylprednisolone, Oxycodone HCl and Hydrocodone-Acetaminophen.
Has Dr. Benjamin Rentfrow received payments from drug or device companies?
CMS Open Payments shows $6,403 in general payments to Dr. Rentfrow from 12 companies from 2016 to 2025. The largest total came from Globus Medical, Inc.
How long has Dr. Benjamin Rentfrow been practicing?
Dr. Rentfrow graduated from medical school in 2006, 20 years ago.
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