William Henry Niemeyer III, PA-C
- Part D claims, 2024
- 142
- Affiliated sites
- 3
- Medical groups
- 7
- State licenses
- 3
- Year NPI issued
- 2006
- Practice address
- 100 Linwood Ave, Colchester, CT 06415
- Practice phone
- Call (630) 207-2556
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Colchester Urgent Care Center
Urgent Care Center · Colchester, Connecticut
Find William Niemeyer'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.
William Henry Niemeyer III is a physician assistant in Colchester, Connecticut
William Niemeyer practices at The Colchester Urgent Care Center in Colchester, Connecticut.
William Niemeyer's NPI, 1861435679, was assigned on June 13, 2006. William Niemeyer holds Illinois license 085-001528.
- NPI
- 1861435679NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2006
- NPI status
- Active
- Practice phone
- (630) 207-2556
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William Henry Niemeyer III practices at The Colchester Urgent Care Center in Colchester, Connecticut
William Niemeyer's primary practice is The Colchester Urgent Care Center, at 100 Linwood Ave, Colchester, CT 06415. The practice phone is (630) 207-2556.
- The Colchester Urgent Care Center100 Linwood Ave, Colchester, CT 06415Phone(630) 207-2556
Source: Dmand AI Affiliation Data
William Henry Niemeyer III is affiliated with 3 sites of care and 7 medical groups
William Niemeyer's primary practice is The Colchester Urgent Care Center in Colchester, Connecticut. The medical group on file is The Colchester Urgent Care Center. Dmand AI also links William Niemeyer to 6 more medical groups and 2 group practices and clinics, each named with a free account. William Niemeyer's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Henry Niemeyer III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Niemeyer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Colchester Urgent Care Center | Available with a free account |
| +2 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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William Henry Niemeyer III is one of 1,682 physician assistants in Connecticut
Physician assistant is William Niemeyer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has William Niemeyer's licenses on file in 3 states: Illinois, Connecticut and Rhode Island.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
- Connecticut license
- Rhode Island license
Physician assistants near William Niemeyer
Counts of physician assistants 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
William Henry Niemeyer III's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts William Niemeyer's median patient age at 46, with 57% women.
William Niemeyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
William Henry Niemeyer III wrote 142 Medicare Part D claims in 2024
In 2024, William Niemeyer wrote 142 Medicare Part D claims for 77 patients. 96% of them were for generic drugs.
William Niemeyer's Part D claims by kind of drug, 2024
- Generic136 claims96%
- Brand-name and other6 claims4%
Drug classes CMS tracks in William Niemeyer's Part D claims, 2024
- Antibiotics44%63 of 142 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for William Henry Niemeyer III'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 William Henry Niemeyer III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Henry Niemeyer III's NPI number?
William Henry Niemeyer III's NPI number is 1861435679. It was assigned on June 13, 2006, and it is active in the NPI Registry.
What does William Henry Niemeyer III specialize in?
William Henry Niemeyer III is a physician assistant in Colchester, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William Henry Niemeyer III practice?
William Niemeyer practices at 100 Linwood Ave, Colchester, CT 06415. William Niemeyer's primary practice is The Colchester Urgent Care Center in Colchester, Connecticut. Dmand AI also links William Niemeyer to 6 medical groups and 2 group practices and clinics.
What is William Henry Niemeyer III's office phone number?
The practice phone on file for William Niemeyer is (630) 207-2556.
What is William Henry Niemeyer III's medical license number?
William Niemeyer holds Illinois license 085-001528, one of the licenses on file in 3 states.
Which states has William Henry Niemeyer III been licensed in?
Dmand AI has state licenses on file for William Niemeyer in Illinois, Connecticut and Rhode Island.
What medical group is William Henry Niemeyer III part of?
William Niemeyer is linked to The Colchester Urgent Care Center. Dmand AI links William Niemeyer to 6 more medical groups.
How long has William Henry Niemeyer III been practicing?
William Niemeyer graduated from medical school in 2000, 26 years ago.
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