Arianna Perez Lopez, MD
NPI 1477992311 · Endocrinology, Diabetes & Metabolism Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arianna Perez Lopez, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Fresno, CA (NPI 1477992311).
Provider details
- NPI number
- 1477992311
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A182655 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
877 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 | 251 | $130 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 143 | $15 |
| Blood Glucose (sugar) Measurement Using Reagent Strip82948 | 123 | $5 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 114 | $181 |
| 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 | 96 | $16 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine Including Spine Fracture Assessment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 106 | 41 |
| Tirzepatidebrand: Mounjaro | 44 | — |
| Levothyroxine Sodium | 39 | 22 |
| Metformin Hclbrand: Metformin Hcl Er | 33 | 19 |
| Atorvastatin Calcium | 32 | 15 |
| Dulaglutidebrand: Trulicity | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$830 across 35 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
- 2013-06-24
- Last updated
- 2022-12-01
- Certified
- 2022-12-01
Frequently asked questions
- What is Arianna Perez Lopez's NPI number?
- Arianna Perez Lopez's National Provider Identifier (NPI) is 1477992311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arianna Perez Lopez's specialty?
- Arianna Perez Lopez is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Arianna Perez Lopez located?
- Arianna Perez Lopez's practice location on file with NPPES is 7085 N Chestnut Ave Ste 101, Fresno, CA 93720-0353.
- What is Arianna Perez Lopez's phone number?
- The practice phone number listed in the NPPES registry for Arianna Perez Lopez is (559) 323-9236.
- Does Arianna Perez Lopez accept Medicare?
- Arianna Perez Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arianna Perez Lopez's NPI active?
- Yes — Arianna Perez Lopez's NPI (1477992311) is active in the NPPES registry as of the last update on 2022-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.