William Henry Niemeyer, P.A.-C
Physician Assistant · Avon, CT
William Henry Niemeyer, P.A.-C is a physician assistant with a practice address in Avon, Connecticut, and NPI 1861435679, issued on Jun 13, 2006. Check the license (Connecticut 004173, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Henry Niemeyer
- Credential
- P.A.-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 004173 CT
085-001528 IL
PA01134 RI
Self-reported in NPPES; status is on the state search - Practice location
- 385 W Main St, Avon, CT 06001
- Phone
- (860) 777-1280
- Enumerated
- Jun 13, 2006
- Record last updated
- Sep 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 in Connecticut → Look up another NPI →
Also registered at 385 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Todd Bickmore, M.D.Family Medicine Physician1952315632
Verify William Henry Niemeyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 004173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
142 Medicare Part D claims for 77 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone37 claims
- Cephalexin17 claims
- Amoxicillin-Clavulanate Potass16 claims
- Azithromycin16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $23.91
1 payment: food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Henry Niemeyer among 2,047 physician assistant records in Connecticut
William Henry Niemeyer, P.A.-C is one of 2,047 physician assistant records with a practice address in Connecticut. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 physician assistant records list a practice address in Avon
They are 37 of the 673 NPPES records with a practice address in Avon, and 2,047 physician assistant records in Connecticut.
All 2,047 in Connecticut → Every provider in Avon → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Linda Daniels-MillerAvon, CT 060011528401304
- Dennis Foley, PAAvon, CT 060011801867767
- Gerald Hussar, PA-CAvon, CT 060011295758571
- Theresa Keddy, P.A.Avon, CT 060011699019281
- Danielle Lauzze, PA-CAvon, CT 060011275831018
- Kelley Lawton, P.A.-CAvon, CT 060011386087252
- Aurora MaugeriAvon, CT 060011538582507
- Jaime McNeil, PA-CAvon, CT 060011790861896
Common questions
What is William Henry Niemeyer, P.A.-C's NPI number?
William Henry Niemeyer, P.A.-C's National Provider Identifier (NPI) is 1861435679, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Henry Niemeyer, P.A.-C located?
The NPPES record lists a practice address at 385 W Main St, Avon, CT, 06001. Phone: (860) 777-1280. Providers update this record themselves, so call before visiting.
How can I verify William Henry Niemeyer, P.A.-C's license?
NPPES lists Connecticut license number 004173, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does William Henry Niemeyer, P.A.-C prescribe under Medicare Part D?
In 2024, William Henry Niemeyer, P.A.-C had 142 Medicare Part D claims for 77 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.