William Biles, M.D.
Internal Medicine Physician · New Fairfield, CT
William Biles, M.D. is an internal medicine physician with a practice address in New Fairfield, Connecticut, and NPI 1275557167, issued on Jul 26, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Biles
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 96 State Route 37, New Fairfield, CT 06812
- Phone
- (203) 746-6000
- Enumerated
- Jul 26, 2006
- Entity
- Type 1 · individual
Also registered at 96 State Route 37
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Renee Derosa, MDFamily Medicine Physician1780024703
- Robert Greco, P.A.Medical Physician Assistant1073520557
Verify William Biles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
29 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
5 internal medicine physician records list a New Fairfield practice address
They are 5 of the 122 NPPES records with a New Fairfield practice address, and 2,830 internal medicine physician records in Connecticut.
All 5 in New Fairfield → All 2,830 in Connecticut → Every provider in New Fairfield →
Other internal medicine physician records in Connecticut
- Christina AbavanaBridgeport, CT1508206574
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Mahmoud Abdelrahman, MDBridgeport, CT1467072868
- Simon Abi-SalehBridgeport, CT1891315529
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Nila Aburto, MDStamford, CT1396325718
- Angelo Accomando, M.D.East Haven, CT1063454247
Common questions
What is William Biles, M.D.'s NPI number?
William Biles, M.D.'s National Provider Identifier (NPI) is 1275557167, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Biles, M.D. located?
The NPPES record lists a practice address at 96 State Route 37, New Fairfield, CT, 06812. Phone: (203) 746-6000. Providers update this record themselves, so call before visiting.
How can I verify William Biles, M.D.'s license?
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 Biles, M.D. prescribe under Medicare Part D?
In 2024, William Biles, M.D. had 29 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.