Kathryn Leinhardt, M. D.
NPI 1558302513 · Internal Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Leinhardt, M. D. is a Internal Medicine Physician provider in New Haven, CT (NPI 1558302513).
Provider details
- NPI number
- 1558302513
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Female
- Sole proprietor
- No
- License
- 038568 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 208 | 76 |
| Levothyroxine Sodium | 138 | 43 |
| Rosuvastatin Calcium | 117 | 43 |
| Amlodipine Besylate | 94 | 34 |
| Metoprolol Succinate | 68 | 25 |
| Losartan Potassium | 67 | 29 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2011-06-23
Frequently asked questions
- What is Kathryn Leinhardt's NPI number?
- Kathryn Leinhardt's National Provider Identifier (NPI) is 1558302513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Leinhardt's specialty?
- Kathryn Leinhardt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Leinhardt located?
- Kathryn Leinhardt's practice location on file with NPPES is 55 Lock Street, New Haven, CT 06520-8237.
- What is Kathryn Leinhardt's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Leinhardt is (203) 432-0076.
- Does Kathryn Leinhardt accept Medicare?
- Kathryn Leinhardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Leinhardt's NPI active?
- Yes — Kathryn Leinhardt's NPI (1558302513) is active in the NPPES registry as of the last update on 2011-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.