MELISSA BRANDON WEIMER D.O.
NPI 1972708675
Internal Medicine - Addiction Medicine in New Haven, CT

Active since June 20, 2007PECOS EnrolledAccepts Medicare Assignment
1450 CHAPEL ST, NEW HAVEN, CT 06511(203) 789-3160 Get Directions Write a Review

NPPES record last updated: June 1, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 1, 2021, Nov 6, 2018, Apr 17, 2017 (3 updates tracked since 2017).

About Melissa Brandon Weimer D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA BRANDON WEIMER D.O. (NPI 1972708675) is an individual addiction medicine provider in New Haven, Connecticut, licensed in Connecticut (61845) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Albany, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1972708675
Entity TypeIndividualFemale
Primary Taxonomy207RA0401X
Provider Legal NameMELISSA BRANDON WEIMERCredential: D.O.
Location Address1450 CHAPEL STNew Haven, CT 06511-4405
Mailing Address367 Cedar St Rm 417aNew Haven, CT 06510-3222 · (203) 785-4485
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJune 20, 2007
Last NPPES UpdateJune 1, 20213 updates tracked since enumeration
NPPES CertifiedJune 1, 2021
✔ NPI 1972708675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
Licenses✔ Licensed in CT · 61845✔ Licensed in NY · 287202
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 61845 (CT), DO28980 (OR)
1450 CHAPEL ST, New Haven, CT 06511

Secondary Practice Location 1

Location 1315 S Manning BlvdAlbany, NY 12208-1707 · Phone (518) 525-6079

Other Identifiers 1

Other287202NY · Ny State

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Melissa Brandon Weimer D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022162726
PECOS Enrollment IDI20181003001957
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Melissa Weimer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Geriatric Medicine
874 HOWARD AVE
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
Internal Medicine
53 COLUMBIA STREET
Rensselaer, NY 12144
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: St Peters Hospital Of The City Of Albany
  • 623 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
33 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06511 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Therapeutic Radiology)
1450 CHAPEL ST
NEW HAVEN, CT 06511
Internal Medicine
1450 CHAPEL ST, HAELEN CENTER
NEW HAVEN, CT 06511
Pharmacist (Pharmacotherapy)
1450 CHAPEL ST
NEW HAVEN, CT 06511
Physician Assistant
1450 CHAPEL ST
NEW HAVEN, CT 06511
Speech-Language Pathologist
1450 CHAPEL ST
NEW HAVEN, CT 06511
Radiology (Diagnostic Radiology)
1450 CHAPEL ST
NEW HAVEN, CT 06511
Physician Assistant (Medical)
1450 CHAPEL ST
NEW HAVEN, CT 06511
Internal Medicine
1450 CHAPEL ST, ADULT PRIMARY CARE CENTER
NEW HAVEN, CT 06511

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Weimer's NPI number?

The NPI number for Melissa Weimer is 1972708675. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Melissa Weimer located?

Melissa Weimer practices at 1450 Chapel St, New Haven, CT 06511. The listed phone number is (203) 789-3160.

What is Melissa Weimer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Melissa Weimer enrolled in Medicare?

Yes. Melissa Weimer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Melissa Weimer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Weimer reassigns Medicare benefits to 3 organizations: Mill Hill Medical Consultants Inc (New Haven, CT), Yale University (New Haven, CT) and St. Peter's Hospital Of The City Of Albany (Rensselaer, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melissa Weimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melissa Weimer was last updated on June 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.