Dr. Robert E. Wenzke, MD
- Medicare services, 2019
- 128
- Part D claims, 2020
- 51
- Industry payments
- $2,251
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4640 W Alexis Rd, Toledo, OH 43623-1182
- Practice phone
- Call (419) 843-8186
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hacker, Hopple, Grossman, Wenzke Medical Group
Primary care practice · Toledo, Ohio
Find Dr. Wenzke'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 E. Wenzke is an internist in Olympia, Washington
Dr. Wenzke practices at Hacker, Hopple, Grossman, Wenzke Medical Group in Toledo, Ohio.
Dr. Wenzke's NPI, 1912905951, was assigned on July 13, 2005. Dr. Wenzke holds Ohio license 35041430.
- NPI
- 1912905951NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2005
- NPI status
- Active
- Practice phone
- (419) 843-8186
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert E. Wenzke practices in Toledo and Olympia
Dr. Wenzke's primary practice is Hacker, Hopple, Grossman, Wenzke Medical Group, at 4640 W Alexis Rd, Toledo, OH 43623-1182. The practice phone is (419) 843-8186. The NPI Registry lists Dr. Wenzke's practice address as 1625 Cooper Point SW Rd, Olympia, WA 98502.
- Hacker, Hopple, Grossman, Wenzke Medical GroupPrimary4640 W Alexis Rd, Toledo, OH 43623-1182Phone(419) 843-8186
- NPI Registry address1625 Cooper Point SW Rd, Olympia, WA 98502 · Thurston CountyPhone(419) 517-8000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Robert E. Wenzke is affiliated with 1 site of care and 1 medical group
Dr. Wenzke's primary practice is Hacker, Hopple, Grossman, Wenzke Medical Group in Toledo, Ohio. Dmand AI also links Dr. Wenzke to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert E. Wenzke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wenzke practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hacker, Hopple, Grossman, Wenzke Medical Group | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert E. Wenzke is one of 2,689 internists in Washington
Internal medicine is Dr. Wenzke's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wenzke is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Wenzke
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. Robert E. Wenzke billed Medicare for 128 services in 2019
CMS data shows 128 Medicare services from Dr. Wenzke across 2 procedure codes in 2019, all of them office visits. Medicare paid $8,029 for them. Every service was in an office.
Dr. Wenzke's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 1582019: 12819%
- Tests and treatments
- 2018: 252019: 0100%
- Other services
- 2018: 292019: 0100%
Dr. Wenzke compared with the Washington median for internists, 2019
- Dr. Wenzke
- Washington median
- Medicare services
- 128vs 36465% below
- Part D claims
- 51vs 18272% below
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Wenzke's most billed Medicare procedure codes, 2019
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. Wenzke?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wenzke and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert E. Wenzke's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Wenzke's median patient age at 80, with 20% women.
Dr. Wenzke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
Dr. Robert E. Wenzke wrote 51 Medicare Part D claims in 2020
In 2020, Dr. Wenzke wrote 51 Medicare Part D claims. They cover 3 drugs, with $1,071 in total drug cost. In 2019, CMS named 1,210 claims across 43 drugs.
Dr. Wenzke's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,2102020: 5196%
Drugs named by CMS: 3 in 2020, 43 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert E. Wenzke received $2,251 in industry payments from 2016 to 2019
CMS Open Payments shows 182 general payments to Dr. Wenzke from 29 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 98% of the total. Novartis Pharmaceuticals Corporation paid the most, $289.
General payments to Dr. Wenzke by program year, 2016 to 2019
General payments to Dr. Wenzke by kind, 2016 to 2019
- Food and beverage$2,21498%
- Education$382%
Companies that paid Dr. Wenzke the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert E. Wenzke'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Robert E. Wenzke
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 E. Wenzke's NPI number?
Dr. Robert E. Wenzke's NPI number is 1912905951. It was assigned on July 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert E. Wenzke?
Dr. Robert E. Wenzke is an internist in Olympia, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert E. Wenzke practice?
Dr. Wenzke practices at 4640 W Alexis Rd, Toledo, OH 43623-1182. Dr. Wenzke also practices at 1625 Cooper Point SW Rd, Olympia, WA 98502. Dr. Wenzke's primary practice is Hacker, Hopple, Grossman, Wenzke Medical Group in Toledo, Ohio. Dmand AI also links Dr. Wenzke to 1 medical group.
What is Dr. Robert E. Wenzke's office phone number?
The practice phone on file for Dr. Wenzke is (419) 843-8186.
What is Dr. Robert E. Wenzke's medical license number?
Dr. Wenzke holds Ohio license 35041430.
Does Dr. Robert E. Wenzke accept Medicare?
Yes. CMS data shows Dr. Wenzke billed Medicare for 128 services in 2019.
What services does Dr. Robert E. Wenzke bill to Medicare?
In 2019, Dr. Wenzke's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Robert E. Wenzke prescribe most?
In 2020 Medicare Part D data, Dr. Wenzke's most prescribed drugs by claims were Atorvastatin Calcium, Diltiazem 24hr ER (Cd) and Hydralazine HCl.
Has Dr. Robert E. Wenzke received payments from drug or device companies?
CMS Open Payments shows $2,251 in general payments to Dr. Wenzke from 29 companies from 2016 to 2019. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Robert E. Wenzke been practicing?
Dr. Wenzke's NPI was assigned in 2005.
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