Steven Leiner, NP
NPI 1023107174 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Leiner, NP is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1023107174).
Provider details
- NPI number
- 1023107174
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- RN409463 (CA)
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
19 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 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 334 | 83 |
| Losartan Potassium | 199 | 47 |
| Amlodipine Besylate | 167 | 44 |
| Metoprolol Succinate | 153 | 32 |
| Metformin Hcl | 142 | 30 |
| Benazepril Hcl | 93 | 25 |
| Hydrochlorothiazide | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98 across 5 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
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Leiner's NPI number?
- Steven Leiner's National Provider Identifier (NPI) is 1023107174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Leiner's specialty?
- Steven Leiner is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Steven Leiner located?
- Steven Leiner's practice location on file with NPPES is 240 Shotwell St, San Francisco, CA 94110-1323.
- What is Steven Leiner's phone number?
- The practice phone number listed in the NPPES registry for Steven Leiner is (415) 552-3870.
- Does Steven Leiner accept Medicare?
- Steven Leiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Leiner's NPI active?
- Yes — Steven Leiner's NPI (1023107174) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.