Nicolas Anthony Wozmak, M.D.
Anesthesiology · Napa, CA
At a glance
4 Financial Plz, Napa, CA 94558-3043
NPPES record updated Mar 31, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4 Financial PlzNapa, CA 94558-3043
Additional reported practice locations
365 Lennon Ln Ste 250Walnut Creek, CA 945985915
Phone: 9259326330
Fax: 9259320139 3901 Lone Tree Way
Antioch, CA 945096200
Phone: 9257797200 2170 South Ave
South Lake Tahoe, CA 961507008
Phone: 5305413420 101 Bodin Cir
Travis Afb, CA 945351809
Phone: 7074233000
Education & affiliations
- Medical / professional school
- New York Medical College
- Graduation year
- 2005
- CMS specialties
- Anesthesiology
Practice groups
Reported hospital affiliations
- Northbay Medical Center Fairfield, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $468.84 |
Reporting companies
| Company | Amount |
|---|---|
| PHILIPS NORTH AMERICA LLC | $260.04 |
| SMITH+NEPHEW, INC. | $132.25 |
| MERCK SHARP & DOHME LLC | $32.08 |
| ABBOTT LABORATORIES | $25.46 |
| CORDIS US CORP. | $19.01 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Anesthesiology
- Taxonomy code
- 207L00000X
- Enumeration date
- May 19, 2008
- Record updated
- Mar 31, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207L00000X · Primary
License reported: A109605 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4 Financial PlzNapa, CA 94558-3043
- Phone
- (707) 266-7051
Mailing address
335 W M STBENICIA, CA 945102707
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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