Maria Santos-Rojo, PA
NPI 1912540378 · Medical Physician Assistant · Chandler, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Santos-Rojo, PA is a Medical Physician Assistant provider in Chandler, AZ (NPI 1912540378).
Provider details
- NPI number
- 1912540378
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 34 | 17 |
| Buprenorphine Hcl | 32 | — |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 32 | — |
| Metformin Hcl | 32 | 20 |
| Atorvastatin Calcium | 30 | 17 |
| Hydralazine Hcl | 22 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 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
- 2019-10-17
- Last updated
- 2020-02-20
- Certified
- 2020-02-20
Frequently asked questions
- What is Maria Santos-Rojo's NPI number?
- Maria Santos-Rojo's National Provider Identifier (NPI) is 1912540378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Santos-Rojo's specialty?
- Maria Santos-Rojo is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Santos-Rojo located?
- Maria Santos-Rojo's practice location on file with NPPES is 2175 N Alma School Rd, Chandler, AZ 85224.
- What is Maria Santos-Rojo's phone number?
- The practice phone number listed in the NPPES registry for Maria Santos-Rojo is (480) 275-4415.
- Does Maria Santos-Rojo accept Medicare?
- Maria Santos-Rojo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Santos-Rojo's NPI active?
- Yes — Maria Santos-Rojo's NPI (1912540378) is active in the NPPES registry as of the last update on 2020-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.