Maria Pagan Mendez, MD
NPI 1255855508 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Pagan Mendez, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1255855508).
Provider details
- NPI number
- 1255855508
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 317409 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
8 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
51 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) |
|---|---|---|
| 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 | 26 | $18 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 | $247 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 12 | $9 |
Typical Medicare-allowed amounts for these services range $9–$247 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 80 | 30 |
| Methimazole | 30 | 12 |
| Semaglutidebrand: Ozempic | 22 | — |
| Empagliflozinbrand: Jardiance | 16 | — |
| Calcitriol | 15 | — |
| Metformin Hcl | 15 | — |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 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
- 2017-07-28
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Maria Pagan Mendez's NPI number?
- Maria Pagan Mendez's National Provider Identifier (NPI) is 1255855508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Pagan Mendez's specialty?
- Maria Pagan Mendez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Pagan Mendez located?
- Maria Pagan Mendez's practice location on file with NPPES is 200 Ucla Medical Plz Ste 530, Los Angeles, CA 90095-3729.
- What is Maria Pagan Mendez's phone number?
- The practice phone number listed in the NPPES registry for Maria Pagan Mendez is (310) 825-7922.
- Does Maria Pagan Mendez accept Medicare?
- Maria Pagan Mendez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Pagan Mendez's NPI active?
- Yes — Maria Pagan Mendez's NPI (1255855508) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.