Karen an Ronquillo, DO
NPI 1275160012 · Family Medicine Physician · El Cajon, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen an Ronquillo, DO is a Family Medicine Physician provider in El Cajon, CA (NPI 1275160012).
Provider details
- NPI number
- 1275160012
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A20865 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 323 | 96 |
| Lisinopril | 214 | 63 |
| Amlodipine Besylate | 206 | 47 |
| Metformin Hcl | 180 | 47 |
| Levothyroxine Sodium | 169 | 36 |
| Losartan Potassium | 167 | 38 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2020-03-23
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Karen an Ronquillo's NPI number?
- Karen an Ronquillo's National Provider Identifier (NPI) is 1275160012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen an Ronquillo's specialty?
- Karen an Ronquillo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen an Ronquillo located?
- Karen an Ronquillo's practice location on file with NPPES is 855 E Madison Ave, El Cajon, CA 92020-3819.
- What is Karen an Ronquillo's phone number?
- The practice phone number listed in the NPPES registry for Karen an Ronquillo is (619) 440-2751.
- Does Karen an Ronquillo accept Medicare?
- Karen an Ronquillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen an Ronquillo's NPI active?
- Yes — Karen an Ronquillo's NPI (1275160012) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.