Sophia Stewart, NP
NPI 1518355411 · Family Nurse Practitioner · Oakland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sophia Stewart, NP is a Family Nurse Practitioner provider in Oakland, CA (NPI 1518355411).
Provider details
- NPI number
- 1518355411
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 836095 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
442 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 114 | $179 |
| Prolonged Home Or Residence Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifG0318 | 96 | $30 |
| Advance Care Planning, First 30 Minutes99497 | 87 | $81 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 65 | $31 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 49 | — |
| Mirtazapine | 27 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | 14 |
| Oxycodone Hcl | 23 | — |
| Trazodone Hcl | 22 | — |
| Gabapentin | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$135 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 (3)
- 450 Park St Ste 100bAlameda, CA 94501Phone: (510) 992-3104
- 4100 Redwood Rd# 328Oakland, CA 94619-2363Phone: (530) 368-1963
- 5994 W Las Positas Blvd # 221Pleasanton, CA 94588-8509Phone: (510) 560-2012
Registry dates
- Enumerated
- 2014-12-30
- Last updated
- 2020-08-27
- Certified
- 2020-08-27
Frequently asked questions
- What is Sophia Stewart's NPI number?
- Sophia Stewart's National Provider Identifier (NPI) is 1518355411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sophia Stewart's specialty?
- Sophia Stewart is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sophia Stewart located?
- Sophia Stewart's practice location on file with NPPES is 3100 Summit St, Oakland, CA 94609-3412.
- What is Sophia Stewart's phone number?
- The practice phone number listed in the NPPES registry for Sophia Stewart is (510) 204-3410.
- Does Sophia Stewart accept Medicare?
- Sophia Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sophia Stewart's NPI active?
- Yes — Sophia Stewart's NPI (1518355411) is active in the NPPES registry as of the last update on 2020-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.