Dr. William E. Rosner, MD
- Medicare services, 2018
- 50
- Part D claims, 2019
- 141
- Industry payments
- $1,935
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 755 Campbell Ave Suite 1 Suite 1, West Haven, CT 06516-3789
- Practice phone
- Call (203) 937-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Campbell Medical Services - West Haven
Primary care practice · West Haven, Connecticut
Find Dr. Rosner'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. William E. Rosner is an internist in West Haven, Connecticut
Dr. Rosner practices at Campbell Medical Services - West Haven in West Haven, Connecticut.
Dr. Rosner's NPI, 1114961083, was assigned on June 15, 2006. Dr. Rosner holds Connecticut license 21674.
- NPI
- 1114961083NPI Registry (opens in a new tab)
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Practice phone
- (203) 937-1100
- 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. William E. Rosner practices at Campbell Medical Services - West Haven in West Haven, Connecticut
Dr. Rosner's primary practice is Campbell Medical Services - West Haven, at 755 Campbell Ave Suite 1 Suite 1, West Haven, CT 06516-3789. The practice phone is (203) 937-1100.
- Campbell Medical Services - West Haven755 Campbell Ave Suite 1 Suite 1, West Haven, CT 06516-3789Phone(203) 937-1100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William E. Rosner is affiliated with 2 sites of care and 1 medical group
Dr. Rosner's primary practice is Campbell Medical Services - West Haven in West Haven, Connecticut. The medical group on file is Campbell Medical Services. Dmand AI also links Dr. Rosner to 1 more physician office, 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. William E. Rosner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Campbell Medical Services - West Haven | Available with a free account |
| +1 more affiliated site | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William E. Rosner is one of 2,189 internists in Connecticut
Internal medicine is Dr. Rosner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rosner is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Rosner
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. William E. Rosner billed Medicare for 50 services in 2018
CMS data shows 50 Medicare services from Dr. Rosner across 3 procedure codes in 2018. Medicare paid $3,385 for them. Every service was in an office.
Dr. Rosner's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2592018: 1893%
- Tests and treatments
- 2017: 1392018: 1788%
- Other services
- 2017: 922018: 1584%
- Lab and pathology
- 2017: 272018: 0100%
Dr. Rosner compared with the Connecticut median for internists, 2018
- Dr. Rosner
- Connecticut median
- Medicare services
- 50vs 39087% below
- Part D claims
- 141vs 34359% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Rosner's most billed Medicare procedure codes, 2018
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. Rosner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rosner and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William E. Rosner's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Rosner's median patient age at 80, with 33% women.
Dr. Rosner'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
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. William E. Rosner wrote 141 Medicare Part D claims in 2019
In 2019, Dr. Rosner wrote 141 Medicare Part D claims. Every claim was for a generic drug. They cover 9 drugs, with $1,365 in total drug cost. In 2018, CMS named 717 claims across 25 drugs.
Dr. Rosner's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 7172019: 14180%
Drugs named by CMS: 9 in 2019, 25 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William E. Rosner received $1,935 in industry payments from 2016 to 2019
CMS Open Payments shows 122 general payments to Dr. Rosner from 24 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $353.
General payments to Dr. Rosner by program year, 2016 to 2019
Companies that paid Dr. Rosner 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. William E. Rosner'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 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. William E. Rosner
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. William E. Rosner's NPI number?
Dr. William E. Rosner's NPI number is 1114961083. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William E. Rosner?
Dr. William E. Rosner is an internist in West Haven, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William E. Rosner practice?
Dr. Rosner practices at 755 Campbell Ave Suite 1 Suite 1, West Haven, CT 06516-3789. Dr. Rosner's primary practice is Campbell Medical Services - West Haven in West Haven, Connecticut. Dmand AI also links Dr. Rosner to 1 physician office.
What is Dr. William E. Rosner's office phone number?
The practice phone on file for Dr. Rosner is (203) 937-1100.
What is Dr. William E. Rosner's medical license number?
Dr. Rosner holds Connecticut license 21674.
What medical group is Dr. William E. Rosner part of?
Dr. Rosner is linked to Campbell Medical Services.
Does Dr. William E. Rosner accept Medicare?
Yes. CMS data shows Dr. Rosner billed Medicare for 50 services in 2018.
What services does Dr. William E. Rosner bill to Medicare?
In 2018, Dr. Rosner's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and medicare service (G0439).
What drugs does Dr. William E. Rosner prescribe most?
In 2019 Medicare Part D data, Dr. Rosner's most prescribed drugs by claims were Levothyroxine Sodium, Metoprolol Tartrate and Amlodipine Besylate.
Has Dr. William E. Rosner received payments from drug or device companies?
CMS Open Payments shows $1,935 in general payments to Dr. Rosner from 24 companies from 2016 to 2019. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. William E. Rosner been practicing?
Dr. Rosner's NPI was assigned in 2006.
Selling to internal medicine practices?
See internists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card