Natasha Alexander, MD
NPI 1255615530 · Internal Medicine Physician · Rialto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natasha Alexander, MD is a Internal Medicine Physician provider in Rialto, CA (NPI 1255615530).
Provider details
- NPI number
- 1255615530
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A125684 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% 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 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 385 | 142 |
| Lisinopril | 208 | 79 |
| Amlodipine Besylate | 191 | 85 |
| Levothyroxine Sodium | 189 | 67 |
| Losartan Potassium | 165 | 68 |
| Rosuvastatin Calcium | 160 | 69 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 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
- 2011-10-04
- Last updated
- 2022-09-05
- Certified
- 2021-10-20
Frequently asked questions
- What is Natasha Alexander's NPI number?
- Natasha Alexander's National Provider Identifier (NPI) is 1255615530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natasha Alexander's specialty?
- Natasha Alexander is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Natasha Alexander located?
- Natasha Alexander's practice location on file with NPPES is 1851 N Riverside Ave, Rialto, CA 92376-8069.
- What is Natasha Alexander's phone number?
- The practice phone number listed in the NPPES registry for Natasha Alexander is (909) 874-2371.
- Does Natasha Alexander accept Medicare?
- Natasha Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natasha Alexander's NPI active?
- Yes — Natasha Alexander's NPI (1255615530) is active in the NPPES registry as of the last update on 2022-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.