Fabian Alvarado, FNP
NPI 1578891859 · Family Nurse Practitioner · Royal Oaks, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fabian Alvarado, FNP is a Family Nurse Practitioner provider in Royal Oaks, CA (NPI 1578891859).
Provider details
- NPI number
- 1578891859
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- NP19343 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 54 | 22 |
| Hydrochlorothiazide | 48 | 18 |
| Amlodipine Besylate | 39 | 16 |
| Losartan Potassium | 39 | 12 |
| Lisinopril | 38 | 15 |
| Metformin Hcl | 32 | 13 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 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
- 2009-11-25
- Last updated
- 2016-05-16
Frequently asked questions
- What is Fabian Alvarado's NPI number?
- Fabian Alvarado's National Provider Identifier (NPI) is 1578891859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fabian Alvarado's specialty?
- Fabian Alvarado is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Fabian Alvarado located?
- Fabian Alvarado's practice location on file with NPPES is 29 Bishop St Ste a, Royal Oaks, CA 95076-5266.
- What is Fabian Alvarado's phone number?
- The practice phone number listed in the NPPES registry for Fabian Alvarado is (831) 728-2505.
- Does Fabian Alvarado accept Medicare?
- Fabian Alvarado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fabian Alvarado's NPI active?
- Yes — Fabian Alvarado's NPI (1578891859) is active in the NPPES registry as of the last update on 2016-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.