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DR. LISA ANN WEISINGER M.D.
NPI 1891095188
Internal Medicine in New Haven, CT

Active since November 02, 2010PECOS EnrolledAccepts Medicare Assignment
100 YORK ST, SUITE 2F, NEW HAVEN, CT 06511(203) 777-6455(203) 789-1960 Get Directions Write a Review

NPPES record last updated: November 2, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Lisa Ann Weisinger M.d. NPPES

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

DR. LISA ANN WEISINGER M.D. (NPI 1891095188) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (040362) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (1990).

NPPES Registry Identity

NPI1891095188
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LISA ANN WEISINGERCredential: M.D.
Location Address100 YORK ST, SUITE 2FNew Haven, CT 06511-5620
Mailing Address100 York St, Suite 2fNew Haven, CT 06511-5620 · (203) 777-6455 · Fax (203) 789-1960
Phone(203) 777-6455
Fax(203) 789-1960
Sole ProprietorYes
Medical School CMSTulane University School Of MedicineGraduated 1990
Enumeration DateNovember 2, 2010
✔ NPI 1891095188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 040362
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 YORK ST, New Haven, CT 06511
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Other Identifiers 1

Other040362CT · License Number

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

Dr. Lisa Ann Weisinger M.d. 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 ID446580823
PECOS Enrollment IDI20190927000746
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 Reassignment

Medicare enrollment records show Lisa Weisinger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trinity Health Of New England Provider Network Organization Inc
35 mi
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
NPI 1003882812 (860) 714-1325

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 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
131 services82 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services22 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 14

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

GEORGE J. WATSTEIN M.D.
Psychiatry & Neurology (Psychiatry)
100 YORK ST, SUITE 2 A
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 624-6431
RICHARD ALAN BREIER MD
Internal Medicine
100 YORK ST, SUITE 2E
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (202) 787-3588
DR. PAUL ARONSON M.D.
Pediatrics (Pediatric Emergency Medicine)
100 YORK ST, SUITE 1F
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 737-7433
HENRY B SAMSON
Optometrist
100 YORK ST, SUITE 2K
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 624-3896
JENNIFER GRZYBINSKI APRN
Nurse Practitioner (Acute Care)
100 YORK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 688-3125
BRIDGET CLAIR TORRES MSW
Social Worker (Clinical)
100 YORK ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (475) 355-6608
LYNN STREET MD
Internal Medicine
100 YORK ST, SUITE 2E
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 787-3588
MR. PHILIP ISRAEL WEISINGER MD
Allergy & Immunology
100 YORK ST, SUITE 2F
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 777-6455

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 Lisa Weisinger's NPI number?

The NPI number for Lisa Weisinger is 1891095188. It was assigned to this individual provider in the NPPES registry on November 2, 2010.

Where is Lisa Weisinger located?

Lisa Weisinger practices at 100 York St Suite 2F, New Haven, CT 06511. The listed phone number is (203) 777-6455.

What is Lisa Weisinger's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lisa Weisinger enrolled in Medicare?

Yes. Lisa Weisinger 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 organization bills Medicare for Lisa Weisinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Weisinger reassigns Medicare benefits to Trinity Health Of New England Provider Network Organization Inc (Hartford, CT). The 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 Lisa Weisinger'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 Lisa Weisinger was last updated on November 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.