Judy A. Kleinstein, MD
Internal Medicine Physician · New Haven, CT
Judy A. Kleinstein, MD is an internal medicine physician with a practice address in New Haven, Connecticut, and NPI 1831187319, issued on Oct 10, 2005. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Judy A. Kleinstein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA75721 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Long Wharf Dr Ste 500, New Haven, CT 06511
- Phone
- (203) 781-4444
- Enumerated
- Oct 10, 2005
- Record last updated
- Jan 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (203) 789-8341
- Medicare enrollment
- Enrolled (PECOS I20060425000316); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 1 Long Wharf Dr Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Judy A. Kleinstein 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
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,267 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium207 claims
- Levothyroxine Sodium113 claims
- Losartan Potassium95 claims
- Rosuvastatin Calcium94 claims
- Amlodipine Besylate87 claims
- Lisinopril71 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): 93.3 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
- Northeast Medical Group IncNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judy A. Kleinstein among 2,623 internal medicine physician records in Connecticut
Judy A. Kleinstein, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2004 among the 1,646 with a school on file
- Record last updated2020 · 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
- Robert Linden, MDNew Haven, CT 065111841283736
- Bhupesh Mangla, MDNew Haven, CT 065111649272949
Common questions
What is Judy A. Kleinstein, MD's NPI number?
Judy A. Kleinstein, MD's National Provider Identifier (NPI) is 1831187319, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Judy A. Kleinstein, MD located?
The NPPES record lists a practice address at 1 Long Wharf Dr Ste 500, New Haven, CT, 06511. Phone: (203) 781-4444. Providers update this record themselves, so call before visiting.
How can I verify Judy A. Kleinstein, MD'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 Judy A. Kleinstein, MD prescribe under Medicare Part D?
In 2024, Judy A. Kleinstein, MD had 2,267 Medicare Part D claims for 268 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Judy A. Kleinstein, MD's MIPS final score?
The 2023 MIPS final score is 93.3 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.