Caroline Esguerra, MD
NPI 1225431448 · Family Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Esguerra, MD is a Family Medicine Physician provider in Sacramento, CA (NPI 1225431448).
Provider details
- NPI number
- 1225431448
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A132724 (CA)
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
11 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
255 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $141 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $198 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $100 |
| Administration of Influenza Virus VaccineG0008 | 22 | $34 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 21 | $146 |
| Hemoglobin A1c Level83036 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 157 | 47 |
| Amlodipine Besylate | 110 | 36 |
| Lisinopril | 100 | 33 |
| Losartan Potassium | 85 | 26 |
| Gabapentin | 75 | 19 |
| Levothyroxine Sodium | 72 | 21 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-10-01
- Last updated
- 2016-10-21
Frequently asked questions
- What is Caroline Esguerra's NPI number?
- Caroline Esguerra's National Provider Identifier (NPI) is 1225431448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Esguerra's specialty?
- Caroline Esguerra is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caroline Esguerra located?
- Caroline Esguerra's practice location on file with NPPES is 4400 Duckhorn Dr, Sacramento, CA 95834-2589.
- What is Caroline Esguerra's phone number?
- The practice phone number listed in the NPPES registry for Caroline Esguerra is (916) 575-8000.
- Does Caroline Esguerra accept Medicare?
- Caroline Esguerra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Esguerra's NPI active?
- Yes — Caroline Esguerra's NPI (1225431448) is active in the NPPES registry as of the last update on 2016-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.