Darlene Espinosa, MD
NPI 1619105541 · Family Medicine Physician · Upland, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darlene Espinosa, MD is a Family Medicine Physician provider in Upland, CA (NPI 1619105541).
Provider details
- NPI number
- 1619105541
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A120539 (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
16 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
398 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 202 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $131 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 30 | $59 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 25 | $172 |
| Urinalysis, Manual Test81002 | 14 | $3 |
| 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 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 338 | 101 |
| Levothyroxine Sodium | 268 | 79 |
| Losartan Potassium | 218 | 65 |
| Amlodipine Besylate | 196 | 65 |
| Lisinopril | 188 | 52 |
| Gabapentin | 166 | 48 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-30
- Last updated
- 2022-06-01
- Certified
- 2022-06-01
Frequently asked questions
- What is Darlene Espinosa's NPI number?
- Darlene Espinosa's National Provider Identifier (NPI) is 1619105541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darlene Espinosa's specialty?
- Darlene Espinosa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Darlene Espinosa located?
- Darlene Espinosa's practice location on file with NPPES is 440 N Mountain Ave Ste 110, Upland, CA 91786-5183.
- What is Darlene Espinosa's phone number?
- The practice phone number listed in the NPPES registry for Darlene Espinosa is (909) 870-5200.
- Does Darlene Espinosa accept Medicare?
- Darlene Espinosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darlene Espinosa's NPI active?
- Yes — Darlene Espinosa's NPI (1619105541) is active in the NPPES registry as of the last update on 2022-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.