William E. Schweizer, MD
Obstetrics & Gynecology Physician · Sharon, CT
William E. Schweizer, MD is an obstetrics & gynecology physician with a practice address in Sharon, Connecticut, and NPI 1639151038, issued on Nov 19, 2005. Check the license (Connecticut 69670, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William E. Schweizer
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 69670 CT
159790 NY
Self-reported in NPPES; status is on the state search - Practice location
- 50 Amenia RD, Sharon, CT 06069
- Phone
- (860) 364-0536
- Enumerated
- Nov 19, 2005
- Record last updated
- Nov 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (860) 364-1299
- Entity
- Type 1 · individual
Also registered at 50 Amenia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Corjulo, C.N.M.Advanced Practice Midwife1174557375
- Joshua Jaffe, M.D.Obstetrics & Gynecology Physician1083650329
- Howard Mortman, MDObstetrics & Gynecology Physician1245321769
Verify William E. Schweizer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 69670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
60 Medicare Part D claims for 15 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol22 claims
- Ibandronate Sodium11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
4 obstetrics & gynecology physician records list a practice address in Sharon
They are 4 of the 85 NPPES records with a practice address in Sharon, and 707 obstetrics & gynecology physician records in Connecticut.
All 4 in Sharon → All 707 in Connecticut → Every provider in Sharon →
Other obstetrics & gynecology physician records in Connecticut
- Anne Abbate, MDBridgeport, CT1497323562
- Roxanne Abder, MDTrumbull, CT1790840809
- Patricia Abruna, M.D.Fairfield, CT1023246832
- Ami Acharya, M.D.Hamden, CT1437131760
- Marie Achong, M.D.Hartford, CT1700806213
- Elizabeth Ackley, M.D.New Haven, CT1316474091
- Sharon Adler, MDBristol, CT1235148438
- Chaarushi Ahuja, MDNew Haven, CT1851965347
- Sarp Aksel, M.D.Stamford, CT1245611441
- Roa Alammari, MDMansfield Center, CT1861782807
Common questions
What is William E. Schweizer, MD's NPI number?
William E. Schweizer, MD's National Provider Identifier (NPI) is 1639151038, issued on Nov 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William E. Schweizer, MD located?
The NPPES record lists a practice address at 50 Amenia RD, Sharon, CT, 06069. Phone: (860) 364-0536. Providers update this record themselves, so call before visiting.
How can I verify William E. Schweizer, MD's license?
NPPES lists Connecticut license number 69670, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William E. Schweizer, MD prescribe under Medicare Part D?
In 2024, William E. Schweizer, MD had 60 Medicare Part D claims for 15 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is William E. Schweizer, MD's MIPS final score?
The 2023 MIPS final score is 89.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.