Lisa Ann Weisinger, M.D.
Internal Medicine Physician · New Haven, CT
Lisa Ann Weisinger, M.D. is an internal medicine physician with a practice address in New Haven, Connecticut, and NPI 1891095188, issued on Nov 2, 2010. Check the license (Connecticut 040362, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lisa Ann Weisinger
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 040362 CT
Self-reported in NPPES; status is on the state search - Practice location
- 100 York St, New Haven, CT 06511
- Phone
- (203) 777-6455
- Enumerated
- Nov 2, 2010
- Record last updated
- Nov 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (203) 789-1960
- Medicare enrollment
- Enrolled (PECOS I20190927000746); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 100 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristen Kowats, LCSWClinical Social Worker1912159120
- Lauren Lavoie, LPCCounselor1811294820
- Dorothy Lewis, M.D.Professional Counselor1982936415
Verify Lisa Ann Weisinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 040362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
716 Medicare Part D claims for 198 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Atorvastatin Calcium67 claims
- Amlodipine Besylate52 claims
- Lantus Solostar39 claims
- Lisinopril32 claims
- Levothyroxine Sodium27 claims
- Jardiance26 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.
Bills Medicare through one group practice
- Trinity Health OF New England Provider Network Organization IncHartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa Ann Weisinger among 2,623 internal medicine physician records in Connecticut
Lisa Ann Weisinger, 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 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1990 · median 2004 among the 1,646 with a school on file
- Record last updated2010 · 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
- Patrick Asiedu, M.D.New Haven, CT 065111922078914
- Richard Barse, MDNew Haven, CT 065111013987098
- Stephen Brenner, MDNew Haven, CT 065111730188764
- Auguste Fortin, MDNew Haven, CT 065111386618692
- Samuel Geller, M.D.New Haven, CT 065111487644860
- Lee Jung, M.D.New Haven, CT 065111932199288
- Judy Kleinstein, MDNew Haven, CT 065111831187319
- Robert Linden, MDNew Haven, CT 065111841283736
Common questions
What is Lisa Ann Weisinger, M.D.'s NPI number?
Lisa Ann Weisinger, M.D.'s National Provider Identifier (NPI) is 1891095188, issued on Nov 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Ann Weisinger, M.D. located?
The NPPES record lists a practice address at 100 York St, New Haven, CT, 06511. Phone: (203) 777-6455. Providers update this record themselves, so call before visiting.
How can I verify Lisa Ann Weisinger, M.D.'s license?
NPPES lists Connecticut license number 040362, 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 Lisa Ann Weisinger, M.D. prescribe under Medicare Part D?
In 2024, Lisa Ann Weisinger, M.D. had 716 Medicare Part D claims for 198 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.