Lisa Weisinger, M.D.
NPI 1891095188 · Internal Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Weisinger, M.D. is a Internal Medicine Physician provider in New Haven, CT (NPI 1891095188).
Provider details
- NPI number
- 1891095188
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 040362 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
156 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $99 |
Typical Medicare-allowed amounts for these services range $67–$99 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 67 | 29 |
| Amlodipine Besylate | 52 | 29 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 39 | 18 |
| Lisinopril | 32 | 18 |
| Levothyroxine Sodium | 27 | 18 |
| Empagliflozinbrand: Jardiance | 26 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-11-02
- Last updated
- 2010-11-02
Frequently asked questions
- What is Lisa Weisinger's NPI number?
- Lisa Weisinger's National Provider Identifier (NPI) is 1891095188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Weisinger's specialty?
- Lisa Weisinger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Weisinger located?
- Lisa Weisinger's practice location on file with NPPES is 100 York St, New Haven, CT 06511-5620.
- What is Lisa Weisinger's phone number?
- The practice phone number listed in the NPPES registry for Lisa Weisinger is (203) 777-6455.
- Does Lisa Weisinger accept Medicare?
- Lisa Weisinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Weisinger's NPI active?
- Yes — Lisa Weisinger's NPI (1891095188) is active in the NPPES registry as of the last update on 2010-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.