Cornerstone Medical Services
Cornerstone Medical Services holds 3 active organization NPIs in the federal registry, with practice locations in 3 cities in 3 states. Each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPISherman Oaks, CA has the most NPIs, 1
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2016
Source: CMS NPPES, enumeration dates.
2 NPIs were issued in 2006 alone, more than in any other year; none in 9 of the years between.
Sherman Oaks, CA locations
The city with the most Cornerstone Medical Services NPIs. The full list of all 3 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1972536399 | 4312 WOODMAN AVE SUITE 101, Sherman Oaks, CA | Family Medicine Physician | Jul 9, 2006 |
All 3 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1972536399 | 4312 WOODMAN AVE SUITE 101, Sherman Oaks, CA | Family Medicine Physician | Jul 9, 2006 |
| 1952488520 | 115 HURLEY RD STE 4A, Oxford, CT | Durable Medical Equipment & Medical Supplies | Nov 1, 2006 |
| 1124482773 | 2337 KEW GARDENS DR, Woodbridge, VA | Hospice and Palliative Medicine (Internal Medicine) Physician | Apr 11, 2016 |
Related names
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Cornerstone Medical Services have 3 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Cornerstone Medical Services's NPIs list practice locations in 3 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.