Dr. Robert Gershan, MD
- Part D claims, 2017
- 113
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- W180n7950 Town Hall Rd, Menomonee Falls, WI 53051-4049
- Practice phone
- Call (262) 255-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Associates Health Centers-occupational Health
Multi-specialty group site · Menomonee Falls, Wisconsin
Find Dr. Gershan'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 Gershan is an internist in Menomonee Falls, Wisconsin
Dr. Gershan practices at Medical Associates Health Centers-occupational Health in Menomonee Falls, Wisconsin.
Dr. Gershan's NPI, 1740253475, was assigned on February 13, 2006. Dr. Gershan holds Wisconsin license 23058.
- NPI
- 1740253475NPI Registry (opens in a new tab)
- NPI enumeration date
- February 13, 2006
- NPI status
- Active
- Practice phone
- (262) 255-2500
- 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 Gershan practices at Medical Associates Health Centers-occupational Health in Menomonee Falls, Wisconsin
Dr. Gershan's primary practice is Medical Associates Health Centers-occupational Health, at W180n7950 Town Hall Rd, Menomonee Falls, WI 53051-4049. The practice phone is (262) 255-2500.
- Medical Associates Health Centers-occupational HealthW180n7950 Town Hall Rd, Menomonee Falls, WI 53051-4049Phone(262) 255-2500
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Gershan is affiliated with 1 site of care and 1 medical group
Dr. Gershan's primary practice is Medical Associates Health Centers-occupational Health in Menomonee Falls, Wisconsin. Dmand AI also links Dr. Gershan 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 Gershan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gershan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Associates Health Centers-occupational Health | 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 Gershan is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Gershan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gershan is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Gershan
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 Gershan's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Gershan's median patient age at 47, with 50% women.
Dr. Gershan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Robert Gershan wrote 113 Medicare Part D claims in 2017
In 2017, Dr. Gershan wrote 113 Medicare Part D claims. They cover 8 drugs, with $1,251 in total drug cost. In 2016, CMS named 2,076 claims across 54 drugs.
Dr. Gershan's most prescribed drugs by claims, 2017
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 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 2,0762017: 11395%
Drugs named by CMS: 8 in 2017, 54 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Robert Gershan'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Gershan
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 Gershan's NPI number?
Dr. Robert Gershan's NPI number is 1740253475. It was assigned on February 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Gershan?
Dr. Robert Gershan is an internist in Menomonee Falls, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Gershan practice?
Dr. Gershan practices at W180n7950 Town Hall Rd, Menomonee Falls, WI 53051-4049. Dr. Gershan's primary practice is Medical Associates Health Centers-occupational Health in Menomonee Falls, Wisconsin. Dmand AI also links Dr. Gershan to 1 medical group.
What is Dr. Robert Gershan's office phone number?
The practice phone on file for Dr. Gershan is (262) 255-2500.
What is Dr. Robert Gershan's medical license number?
Dr. Gershan holds Wisconsin license 23058.
What drugs does Dr. Robert Gershan prescribe most?
In 2017 Medicare Part D data, Dr. Gershan's most prescribed drugs by claims were Donepezil HCl, Amlodipine Besylate and Citalopram HBr.
How long has Dr. Robert Gershan been practicing?
Dr. Gershan's NPI was assigned in 2006.
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