Vadim Leyenson, MD
NPI 1427052851 · Critical Care Medicine (Internal Medicine) Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vadim Leyenson, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Santa Rosa, CA (NPI 1427052851).
Provider details
- NPI number
- 1427052851
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 522342 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
21 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
6 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 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 (5)
- 450 E Romie LnSalinas, CA 93901-4029Phone: (831) 757-4333
- 1033 Los Palos Dr Ste aSalinas, CA 93901-3916Phone: (831) 757-2058
- 1055 N Curtis RdBoise, ID 83706-1309Phone: (208) 302-2000Fax: (208) 302-2055
- 4300 E Flamingo AveNampa, ID 83687-3138Phone: (208) 463-5000
- 2800 N Sheridan RdSte 301Chicago, IL 60657-6158Phone: (773) 935-5556Fax: (773) 935-2724
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2025-11-14
- Certified
- 2025-11-14
Frequently asked questions
- What is Vadim Leyenson's NPI number?
- Vadim Leyenson's National Provider Identifier (NPI) is 1427052851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vadim Leyenson's specialty?
- Vadim Leyenson is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Vadim Leyenson located?
- Vadim Leyenson's practice location on file with NPPES is 95 Montgomery Dr Ste 104, Santa Rosa, CA 95404-6617.
- What is Vadim Leyenson's phone number?
- The practice phone number listed in the NPPES registry for Vadim Leyenson is (707) 525-2902.
- Does Vadim Leyenson accept Medicare?
- Vadim Leyenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vadim Leyenson's NPI active?
- Yes — Vadim Leyenson's NPI (1427052851) is active in the NPPES registry as of the last update on 2025-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.