Andrea Masters, FNP, MPH
NPI 1457861783 · Psychiatric/Mental Health Nurse Practitioner · Oakland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Masters, FNP, MPH is a Psychiatric/Mental Health Nurse Practitioner provider in Oakland, CA (NPI 1457861783).
Provider details
- NPI number
- 1457861783
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 95048501 (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
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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 163 | 24 |
| Olanzapinebrand: Olanzapine Odt | 140 | 12 |
| Risperidone | 124 | 17 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 119 | 14 |
| Haloperidol | 117 | 16 |
| Paliperidone Palmitatebrand: Invega Sustenna | 95 | 11 |
| Divalproex Sodium | 91 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
- 2017-09-29
- Last updated
- 2023-01-26
- Certified
- 2023-01-26
Frequently asked questions
- What is Andrea Masters's NPI number?
- Andrea Masters's National Provider Identifier (NPI) is 1457861783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Masters's specialty?
- Andrea Masters is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Masters located?
- Andrea Masters's practice location on file with NPPES is 390 40th St, Oakland, CA 94609-2633.
- What is Andrea Masters's phone number?
- The practice phone number listed in the NPPES registry for Andrea Masters is (510) 613-0330.
- Does Andrea Masters accept Medicare?
- Andrea Masters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Masters's NPI active?
- Yes — Andrea Masters's NPI (1457861783) is active in the NPPES registry as of the last update on 2023-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.