Luisa Duran
NPI 1548437940 · Endocrinology, Diabetes & Metabolism Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luisa Duran is a Endocrinology, Diabetes & Metabolism Physician provider in San Ramon, CA (NPI 1548437940).
Provider details
- NPI number
- 1548437940
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,306 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 756 | $153 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 247 | $19 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 83 | $198 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 82 | $39 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 74 | $18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 381 | 109 |
| Alendronate Sodium | 245 | 73 |
| Metformin Hclbrand: Metformin Hcl Er | 181 | 65 |
| Levothyroxine Sodiumbrand: Synthroid | 127 | 36 |
| Semaglutidebrand: Ozempic | 113 | 25 |
| Dulaglutidebrand: Trulicity | 113 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$156 across 3 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
- 2008-05-14
- Last updated
- 2015-09-29
Frequently asked questions
- What is Luisa Duran's NPI number?
- Luisa Duran's National Provider Identifier (NPI) is 1548437940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luisa Duran's specialty?
- Luisa Duran is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Luisa Duran located?
- Luisa Duran's practice location on file with NPPES is 2305 Camino Ramon, San Ramon, CA 94583-1396.
- What is Luisa Duran's phone number?
- The practice phone number listed in the NPPES registry for Luisa Duran is (925) 866-8700.
- Does Luisa Duran accept Medicare?
- Luisa Duran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luisa Duran's NPI active?
- Yes — Luisa Duran's NPI (1548437940) is active in the NPPES registry as of the last update on 2015-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.