Wayne S. Warren, M.D.
Internal Medicine Physician · New Haven, CT
Wayne S. Warren, M.D. is an internal medicine physician with a practice address in New Haven, Connecticut, and NPI 1447220496, issued on Jan 24, 2006. Check the license (Connecticut 029184, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Wayne S. Warren
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 029184 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1308 Chapel St, New Haven, CT 06511
- Phone
- (203) 865-5111
- Enumerated
- Jan 24, 2006
- Record last updated
- Jul 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (203) 562-2368
- Medicare enrollment
- Enrolled (PECOS I20060517000057); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1985
- 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 1308 Chapel St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Asiedu, M.D.Internal Medicine Physician1922078914
- Stephanie Decesare, PA-CPhysician Assistant1962890681
- Sunil Menon, M.D.Internal Medicine Physician1295705770
- Leah Whelan, APRNAdult Health Nurse Practitioner1134546989
Verify Wayne S. Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 029184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average internal medicine physician in 2024
4,800 Medicare Part D claims for 364 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 21 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium452 claims
- Atorvastatin Calcium382 claims
- Amlodipine Besylate330 claims
- Levothyroxine Sodium168 claims
- Metoprolol Succinate167 claims
- Lisinopril161 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).
Industry payments in 2024: $19,592.78
42 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northeast Medical Group IncBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wayne S. Warren among 2,623 internal medicine physician records in Connecticut
Wayne S. Warren, 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2004 among the 1,646 with a school on file
- Record last updated2012 · 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 Wayne S. Warren, M.D.'s NPI number?
Wayne S. Warren, M.D.'s National Provider Identifier (NPI) is 1447220496, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wayne S. Warren, M.D. located?
The NPPES record lists a practice address at 1308 Chapel St, New Haven, CT, 06511. Phone: (203) 865-5111. Providers update this record themselves, so call before visiting.
How can I verify Wayne S. Warren, M.D.'s license?
NPPES lists Connecticut license number 029184, 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 Wayne S. Warren, M.D. prescribe under Medicare Part D?
In 2024, Wayne S. Warren, M.D. had 4,800 Medicare Part D claims for 364 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Wayne S. Warren, M.D.'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.