Dr. Rodney L. Dewyer, MD
- Medicare services, 2024
- 482
- Medicare patients, 2024
- 145
- Part D claims, 2024
- 6,415
- Hospital affiliations
- 5
- Industry payments
- $487
- Practice address
- 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
- Practice phone
- Call (810) 231-0256
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
IHA Hamburg Primary Care
Ann Arbor, Michigan
Find Dr. Dewyer'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. Rodney L. Dewyer is an internist in Ann Arbor, Michigan
Dr. Dewyer practices at IHA Hamburg Primary Care in Ann Arbor, Michigan.
Dr. Dewyer's NPI, 1164511036, was assigned on October 11, 2006. Dr. Dewyer holds Michigan license 4301065486.
- NPI
- 1164511036NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385618321
- NPI enumeration date
- October 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (810) 231-0256
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rodney L. Dewyer practices at IHA Hamburg Primary Care in Ann Arbor, Michigan
Dr. Dewyer's primary practice is IHA Hamburg Primary Care, at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (810) 231-0256.
- IHA Hamburg Primary Care24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(810) 231-0256
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rodney L. Dewyer is affiliated with 7 sites of care and 1 medical group
Dr. Dewyer's primary practice is IHA Hamburg Primary Care in Ann Arbor, Michigan. Dr. Dewyer is also affiliated with University Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Dewyer to 4 more hospitals and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rodney L. Dewyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dewyer practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IHA Hamburg Primary Care | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rodney L. Dewyer is one of 4,804 internists in Michigan
Internal medicine is Dr. Dewyer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dewyer is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Dewyer
Counts of internists 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. Rodney L. Dewyer billed Medicare for 482 services in 2024
CMS data shows 482 Medicare services from Dr. Dewyer across 8 procedure codes in 2024, for 145 Medicare patients. Medicare paid $16,803 for them. Every service was in an office.
Dr. Dewyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2682024: 23512%
- Other services
- 2023: 1092024: 20083%
- Tests and treatments
- 2023: 572024: 4718%
Dr. Dewyer compared with the Michigan median for internists, 2024
- Dr. Dewyer
- Michigan median
- Medicare services
- 482vs 42314% above
- Medicare patients
- 145vs 1599% below
- Part D claims
- 5,616vs 31417.9 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Dewyer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dewyer and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rodney L. Dewyer treated 145 Medicare patients in 2024, average age 73
CMS counts 145 Medicare patients who saw Dr. Dewyer in 2024. The largest group is 65 to 74, with 82 patients. 66% of them have high cholesterol, and 61% have high blood pressure. 12% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dewyer's median patient age at 63, with 30% women.
Dr. Dewyer's Medicare patients by age, 2024
Dr. Dewyer's Medicare patients by sex, 2024
- Women6243%
- Men8357%
Chronic conditions among Dr. Dewyer's Medicare patients, 2024
- High cholesterol66%
- High blood pressure61%
- Arthritis32%
- Anxiety28%
- Ischemic heart disease25%
- Diabetes23%
- Mood disorders21%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dewyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women30%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rodney L. Dewyer wrote 6,415 Medicare Part D claims in 2024
In 2024, Dr. Dewyer wrote 6,415 Medicare Part D claims for 397 patients. 88% of them were for generic drugs. CMS names the drug for 5,616 of them, across 113 drugs with 11 or more claims each, at $395,816 in total drug cost. In 2023, CMS named 5,195 claims across 113 drugs.
Dr. Dewyer's Part D claims by kind of drug, 2024
- Generic5,672 claims88%
- Brand-name692 claims11%
- Other51 claims1%
Dr. Dewyer'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. Dewyer's Part D claims, 2024
- Opioids10%628 of 6,415 claims
- Antibiotics2%97 of 6,415 claims
- Antipsychotics, patients 65 and over0%19 of 6,415 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: 5,1952024: 5,6168%
Drugs named by CMS: 113 in 2024, 113 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. Rodney L. Dewyer offers telehealth to Medicare patients
Dr. Dewyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dewyer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rodney L. Dewyer received $487 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Dewyer from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $142.
General payments to Dr. Dewyer by program year, 2016 to 2025
Companies that paid Dr. Dewyer 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. Rodney L. Dewyer'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Rodney L. Dewyer
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. Rodney L. Dewyer's NPI number?
Dr. Rodney L. Dewyer's NPI number is 1164511036. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rodney L. Dewyer?
Dr. Rodney L. Dewyer is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rodney L. Dewyer practice?
Dr. Dewyer practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105. Dr. Dewyer's primary practice is IHA Hamburg Primary Care in Ann Arbor, Michigan. Dmand AI also links Dr. Dewyer to 4 hospitals and 1 home health agency.
What is Dr. Rodney L. Dewyer's office phone number?
The practice phone on file for Dr. Dewyer is (810) 231-0256.
What is Dr. Rodney L. Dewyer's medical license number?
Dr. Dewyer holds Michigan license 4301065486.
Which hospitals is Dr. Rodney L. Dewyer affiliated with?
Dr. Dewyer is affiliated with University Hospital. Dmand AI links Dr. Dewyer to 4 more hospitals.
What medical group is Dr. Rodney L. Dewyer part of?
Dr. Dewyer is linked to Trinity Health IHA Medical Group.
Does Dr. Rodney L. Dewyer accept Medicare?
Yes. CMS data shows Dr. Dewyer billed Medicare for 482 services in 2024, and Dr. Dewyer accepts Medicare assignment.
Does Dr. Rodney L. Dewyer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dewyer as offering telehealth services.
How many Medicare patients does Dr. Rodney L. Dewyer see?
CMS counts 145 Medicare patients who saw Dr. Dewyer in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Rodney L. Dewyer bill to Medicare?
In 2024, Dr. Dewyer's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
What drugs does Dr. Rodney L. Dewyer prescribe most?
In 2024 Medicare Part D data, Dr. Dewyer's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Hydrocodone-Acetaminophen.
Has Dr. Rodney L. Dewyer received payments from drug or device companies?
CMS Open Payments shows $487 in general payments to Dr. Dewyer from 12 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Rodney L. Dewyer been practicing?
Dr. Dewyer graduated from medical school in 1995, 31 years ago.
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