Spencer Alvarado, PA
NPI 1427833631 · Physician Assistant · East Setauket, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Alvarado, PA is a Physician Assistant provider in East Setauket, NY (NPI 1427833631).
Provider details
- NPI number
- 1427833631
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 030523 (NY)
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
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 193 | 107 |
| Atorvastatin Calcium | 134 | 77 |
| Metoprolol Succinate | 130 | 77 |
| Amlodipine Besylate | 95 | 53 |
| Apixabanbrand: Eliquis | 79 | 43 |
| Losartan Potassium | 73 | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$136 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
Additional practice locations (1)
- 75 N Country RdPort Jefferson, NY 11777-2190Phone: (631) 473-1320
Registry dates
- Enumerated
- 2023-08-28
- Last updated
- 2023-08-28
- Certified
- 2023-08-27
Frequently asked questions
- What is Spencer Alvarado's NPI number?
- Spencer Alvarado's National Provider Identifier (NPI) is 1427833631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Alvarado's specialty?
- Spencer Alvarado is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Spencer Alvarado located?
- Spencer Alvarado's practice location on file with NPPES is 45 Research Way Ste 108, East Setauket, NY 11733-6401.
- What is Spencer Alvarado's phone number?
- The practice phone number listed in the NPPES registry for Spencer Alvarado is (631) 941-2000.
- Does Spencer Alvarado accept Medicare?
- Spencer Alvarado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Alvarado's NPI active?
- Yes — Spencer Alvarado's NPI (1427833631) is active in the NPPES registry as of the last update on 2023-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.