NPPES file of Aug 9, 2026

Melissa Brandon Weimer, D.O.

Addiction Medicine (Internal Medicine) Physician · New Haven, CT

Melissa Brandon Weimer, D.O. is an addiction medicine (internal medicine) physician with a practice address in New Haven, Connecticut, and NPI 1972708675, issued on Jun 20, 2007. Check the license (Connecticut 61845, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972708675
Name
Melissa Brandon Weimer
Credential
D.O.
Primary taxonomy
Addiction Medicine (Internal Medicine) Physician 207RA0401X
License numbers
61845 CT
287202 NY
DO28980 OR
Self-reported in NPPES; status is on the state search
Practice location
1450 Chapel St, New Haven, CT 06511
Phone
(203) 789-3160
Enumerated
Jun 20, 2007
Record last updated
Jun 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181003001957); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest addiction medicine (internal medicine) physician records → All 14 in Connecticut → Look up another NPI →

Also registered at 1450 Chapel St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pirjo Aalto-Fischer, LCSWClinical Social Worker1225473655
  2. Elie AbdelnourPsychiatry Physician1790346070
  3. Katherine AdamsSpeech-Language Pathologist1023851821
  4. Oluwatosin Adeyemo, M.D. , MPHObstetrics Physician1447696844
  5. Elizabeth Ahmed, M.D.Family Medicine Physician1376551879
  6. Sohee Ahn, PHARMDPharmacist1649894387

Verify Melissa Brandon Weimer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 61845    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Melissa Brandon Weimer among 14 addiction medicine (internal medicine) physician records in Connecticut

Melissa Brandon Weimer, D.O. is one of 14 addiction medicine (internal 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 2007, is newer than 50% of them.

  • NPI issued2007 · 50% of these records are older, 43% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Record last updated2021 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Internal Medicine) Physician providers in Connecticut

There are 14 addiction medicine (internal medicine) physician records in Connecticut.

All 14 in Connecticut → Every provider in New Haven → Addiction Medicine (Internal Medicine) Physician nationwide →

The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes

  1. Cara BorelliNew Haven, CT 065101376006809
  2. Deepa Camenga, MDNew Haven, CT 065101952318214
  3. Bridget Martell, M.D.,M.A.New Haven, CT 065201891889010
  4. Ebenezer Kolade, M.D.Bridgeport, CT 066061376618611
  5. Martin Bloch, MDWillimantic, CT 062261700989670
  6. Anne Dowton, MDHartford, CT 061021245793520
  7. Robin Deutsch, M.D.Enfield, CT 060821457663239
  8. Neal Lakritz, MDEnfield, CT 060821780640383

Common questions

What is Melissa Brandon Weimer, D.O.'s NPI number?

Melissa Brandon Weimer, D.O.'s National Provider Identifier (NPI) is 1972708675, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Brandon Weimer, D.O. located?

The NPPES record lists a practice address at 1450 Chapel St, New Haven, CT, 06511. Phone: (203) 789-3160. Providers update this record themselves, so call before visiting.

How can I verify Melissa Brandon Weimer, D.O.'s license?

NPPES lists Connecticut license number 61845, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.