Karen Caruso, MSN, RN, FNP-BC
NPI 1679816680 · Family Nurse Practitioner · San Juan Capistrano, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Caruso, MSN, RN, FNP-BC is a Family Nurse Practitioner provider in San Juan Capistrano, CA (NPI 1679816680).
Provider details
- NPI number
- 1679816680
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, RN, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- APN001495 (NV)
Specialties & taxonomies
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 tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
542 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 204 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 159 | $124 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 86 | $56 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 65 | $173 |
| Automated Urinalysis Test81003 | 16 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 193 | 51 |
| Memantine Hcl | 93 | — |
| Famotidine | 84 | 19 |
| Levothyroxine Sodium | 84 | 30 |
| Vibegronbrand: Gemtesa | 77 | — |
| Gabapentin | 64 | 24 |
| Levetiracetam | 52 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-28
- Last updated
- 2016-01-11
Frequently asked questions
- What is Karen Caruso's NPI number?
- Karen Caruso's National Provider Identifier (NPI) is 1679816680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Caruso's specialty?
- Karen Caruso is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Caruso located?
- Karen Caruso's practice location on file with NPPES is 30230 Rancho Viejo Rd, San Juan Capistrano, CA 92675-1557.
- What is Karen Caruso's phone number?
- The practice phone number listed in the NPPES registry for Karen Caruso is (949) 443-4303.
- Does Karen Caruso accept Medicare?
- Karen Caruso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Caruso's NPI active?
- Yes — Karen Caruso's NPI (1679816680) is active in the NPPES registry as of the last update on 2016-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.