Karen Lappas, NP
NPI 1538427109 · Nurse Practitioner · La Jolla, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Lappas, NP is a Nurse Practitioner provider in La Jolla, CA (NPI 1538427109).
Provider details
- NPI number
- 1538427109
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 20307 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 338 | 35 |
| Gabapentin | 245 | 24 |
| Levothyroxine Sodium | 221 | 21 |
| Amlodipine Besylate | 158 | 20 |
| Famotidine | 146 | 20 |
| Losartan Potassium | 119 | 15 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-02
- Last updated
- 2016-05-24
Frequently asked questions
- What is Karen Lappas's NPI number?
- Karen Lappas's National Provider Identifier (NPI) is 1538427109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Lappas's specialty?
- Karen Lappas is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Lappas located?
- Karen Lappas's practice location on file with NPPES is 2294 Caminito Preciosa Norte, La Jolla, CA 92037-7230.
- What is Karen Lappas's phone number?
- The practice phone number listed in the NPPES registry for Karen Lappas is (718) 300-4438.
- Does Karen Lappas accept Medicare?
- Karen Lappas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Lappas's NPI active?
- Yes — Karen Lappas's NPI (1538427109) is active in the NPPES registry as of the last update on 2016-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.