Leslie Douglas-Churchwell, M.D.
Internal Medicine Physician · New Haven, CT
Leslie Douglas-Churchwell, M.D. is an internal medicine physician with a practice address in New Haven, Connecticut, and NPI 1780898833, issued on May 9, 2007. Check the license (Connecticut 55309, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leslie Douglas-Churchwell
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 55309 CT
TN25944 TN
Self-reported in NPPES; status is on the state search - Practice location
- 800 Howard Ave, New Haven, CT 06519
- Phone
- (203) 785-7411
- Enumerated
- May 9, 2007
- Record last updated
- Jul 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 3085941 TN
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
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Verify Leslie Douglas-Churchwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 55309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
153 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Potassium Chloride14 claims
- Zonisamide13 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): 73.6 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).
Leslie Douglas-Churchwell among 2,623 internal medicine physician records in Connecticut
Leslie Douglas-Churchwell, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
329 internal medicine physician records list a practice address in New Haven
They are 329 of the 9,793 NPPES records with a practice address in New Haven, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in New Haven → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sarwat Chaudhry, MDNew Haven, CT 065191225011448
- Matthew Ellman, MDNew Haven, CT 065191215919642
- David Fiellin, MDNew Haven, CT 065191194700666
- Joanne Foodim, MDNew Haven, CT 065191780663237
- Sally Haskell, MDNew Haven, CT 065191336119411
- Janet Henrich, MDNew Haven, CT 065191679556807
Common questions
What is Leslie Douglas-Churchwell, M.D.'s NPI number?
Leslie Douglas-Churchwell, M.D.'s National Provider Identifier (NPI) is 1780898833, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Douglas-Churchwell, M.D. located?
The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-7411. Providers update this record themselves, so call before visiting.
How can I verify Leslie Douglas-Churchwell, M.D.'s license?
NPPES lists Connecticut license number 55309, 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 Leslie Douglas-Churchwell, M.D. prescribe under Medicare Part D?
In 2024, Leslie Douglas-Churchwell, M.D. had 153 Medicare Part D claims for 50 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Leslie Douglas-Churchwell, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.