NPPES file of Aug 9, 2026

Stephen Pinsk M D

Stephen Pinsk M D holds 6 active organization NPIs in the federal registry, with practice locations in 5 California cities. All list clinical medical laboratory as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Sebastopol has the most NPIs, 2

  1. Sebastopol2
  2. Fort Bragg1
  3. Healdsburg1
  4. Lakeport1
  5. Santa Rosa1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2006 and 2007

Stephen Pinsk M D NPIs by year issued2006: 1, 2007: 502462006200715
Stephen Pinsk M D NPIs by year issued2006: 1, 2007: 502462006200715
Stephen Pinsk M D NPIs by year issued2006: 1, 2007: 502462006200715

Source: CMS NPPES, enumeration dates.

5 NPIs were issued in 2007 alone, more than in any other year.

Sebastopol locations

The city with the most Stephen Pinsk M D NPIs. The full list of all 6 follows.

NPILocationPrimary taxonomyIssued
1154337822400 MORRIS ST SUITE H, SebastopolClinical Medical LaboratoryAug 1, 2006
1578616074501 PETALUMA AVE, SebastopolClinical Medical LaboratoryJan 19, 2007
All 6 locations, by city
NPILocationPrimary taxonomyIssued
1013060516700 RIVER DR, Fort BraggClinical Medical LaboratoryJan 19, 2007
11049796081375 UNIVERSITY ST, HealdsburgClinical Medical LaboratoryJan 19, 2007
12958887905176 HILL RD E, LakeportClinical Medical LaboratoryJan 19, 2007
19928577182449 SUMMERFIELD RD, Santa RosaClinical Medical LaboratoryJan 18, 2007
1154337822400 MORRIS ST SUITE H, SebastopolClinical Medical LaboratoryAug 1, 2006
1578616074501 PETALUMA AVE, SebastopolClinical Medical LaboratoryJan 19, 2007

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Stephen Pinsk M D have 6 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Stephen Pinsk M D's NPIs list practice locations in 5 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.