Roy Patrick Abragan, RN, MSN
NPI 1629588512 · Nurse Practitioner · Stanford, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Patrick Abragan, RN, MSN is a Nurse Practitioner provider in Stanford, CA (NPI 1629588512).
Provider details
- NPI number
- 1629588512
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MSN
- Sex
- Male
- Sole proprietor
- No
- License
- 95004825 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 61 | 21 |
| Metformin Hcl | 56 | 15 |
| Lisinopril | 33 | — |
| Amlodipine Besylate | 33 | 12 |
| Levothyroxine Sodium | 31 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$59 across 3 records (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)
- 1197 E Arques AveSunnyvale, CA 94085-3904Phone: (408) 773-9000
Registry dates
- Enumerated
- 2017-10-04
- Last updated
- 2019-07-01
Frequently asked questions
- What is Roy Patrick Abragan's NPI number?
- Roy Patrick Abragan's National Provider Identifier (NPI) is 1629588512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Patrick Abragan's specialty?
- Roy Patrick Abragan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Roy Patrick Abragan located?
- Roy Patrick Abragan's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Roy Patrick Abragan's phone number?
- The practice phone number listed in the NPPES registry for Roy Patrick Abragan is (650) 725-6130.
- Does Roy Patrick Abragan accept Medicare?
- Roy Patrick Abragan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Patrick Abragan's NPI active?
- Yes — Roy Patrick Abragan's NPI (1629588512) is active in the NPPES registry as of the last update on 2019-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.