Mariel Velez, M.D. PH.D.
NPI 1427347053 · Neurology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariel Velez, M.D. PH.D. is a Neurology Physician provider in San Francisco, CA (NPI 1427347053).
Provider details
- NPI number
- 1427347053
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 1065661 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 77 | 27 |
| Lamotrigine | 48 | 13 |
| Lacosamide | 42 | 14 |
| Clobazam | 35 | 14 |
| Brivaracetambrand: Briviact | 29 | — |
| Phenytoin Sodium Extended | 20 | — |
| Divalproex Sodium | 17 | — |
| Phenytoin Sodium Extendedbrand: Dilantin | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$200 across 2 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)
- 300 Pasteur DriveStanford Medical CenterStanford, CA 94305Phone: (650) 723-6469
Registry dates
- Enumerated
- 2011-04-05
- Last updated
- 2022-06-02
- Certified
- 2022-06-02
Frequently asked questions
- What is Mariel Velez's NPI number?
- Mariel Velez's National Provider Identifier (NPI) is 1427347053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariel Velez's specialty?
- Mariel Velez is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariel Velez located?
- Mariel Velez's practice location on file with NPPES is 1100 Van Ness Ave Fl 6, San Francisco, CA 94109.
- What is Mariel Velez's phone number?
- The practice phone number listed in the NPPES registry for Mariel Velez is (415) 600-7880.
- Does Mariel Velez accept Medicare?
- Mariel Velez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariel Velez's NPI active?
- Yes — Mariel Velez's NPI (1427347053) is active in the NPPES registry as of the last update on 2022-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.