William Joshua Kaplan, DO
Family Medicine Physician · New Fairfield, CT
William Joshua Kaplan, DO is a family medicine physician with a practice address in New Fairfield, Connecticut, and NPI 1225566631, issued on May 30, 2017. Check the license (Connecticut 65830, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Joshua Kaplan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 65830 CT
Self-reported in NPPES; status is on the state search - Practice location
- 130 State Route 37, New Fairfield, CT 06812
- Phone
- (203) 746-6000
- Enumerated
- May 30, 2017
- Record last updated
- Jul 21, 2022
- Fax
- (203) 746-0155
- Medicare enrollment
- Enrolled (PECOS I20200722000883); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 958 in Connecticut → Look up another NPI →
Also registered at 130 State Route 37
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Yacono, M.D.Internal Medicine Physician1740298322
Verify William Joshua Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 65830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family medicine physician in 2024
3,891 Medicare Part D claims for 579 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium437 claims
- Amlodipine Besylate297 claims
- Lisinopril192 claims
- Levothyroxine Sodium172 claims
- Losartan Potassium172 claims
- Hydrochlorothiazide146 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Nuvance Health Medical Practice CT IncNew Fairfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Joshua Kaplan among 958 family medicine physician records in Connecticut
William Joshua Kaplan, DO is one of 958 family medicine physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.
- NPI issued2017 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2009 among the 611 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family medicine physician records list a practice address in New Fairfield
They are 2 of the 122 NPPES records with a practice address in New Fairfield, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in New Fairfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Renee Derosa, MDNew Fairfield, CT 068121780024703
- Janina Jourdain, FNPDanbury, CT 068111871425728
- Fayeza Aliou, MDDanbury, CT 068101639701055
- Jennifer Cohen, MDDanbury, CT 068101588808521
- Cornelius Ferreira, MDDanbury, CT 068101932130168
- Gabriella Gellrich, M.DDanbury, CT 068101477715670
- Huma Irshad, MDDanbury, CT 068101356696264
- Shane Lukose, MDDanbury, CT 068101508350935
Common questions
What is William Joshua Kaplan, DO's NPI number?
William Joshua Kaplan, DO's National Provider Identifier (NPI) is 1225566631, issued on May 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is William Joshua Kaplan, DO located?
The NPPES record lists a practice address at 130 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 Joshua Kaplan, DO's license?
NPPES lists Connecticut license number 65830, 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 Joshua Kaplan, DO prescribe under Medicare Part D?
In 2024, William Joshua Kaplan, DO had 3,891 Medicare Part D claims for 579 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Joshua Kaplan, DO's MIPS final score?
The 2023 MIPS final score is 94.2 of 100. 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.