Adult Medicine Specialists
Adult Medicine Specialists holds 5 active organization NPIs in the federal registry, with practice locations in 5 cities in 5 states. 4 list internal medicine physician as their primary taxonomy; 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 NPISonora, 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 2005 and 2006
Source: CMS NPPES, enumeration dates.
3 NPIs were issued in 2006 alone, more than in any other year.
Sonora, CA locations
The city with the most Adult Medicine Specialists NPIs. The full list of all 5 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1407842339 | 690 GUZZI LN STE C, Sonora, CA | Internal Medicine Physician | Sep 26, 2005 |
All 5 locations, by state and city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1407842339 | 690 GUZZI LN STE C, Sonora, CA | Internal Medicine Physician | Sep 26, 2005 |
| 1316162464 | 314 W 16TH ST, Pueblo, CO | Internal Medicine Physician | Apr 16, 2007 |
| 1336238484 | 601 UNIVERSITY BLVD 207, Jupiter, FL | Internal Medicine Physician | Oct 12, 2006 |
| 1578636254 | 10020 NICHOLAS ST STE 202, Omaha, NE | Internal Medicine Physician | Nov 17, 2006 |
| 1851487284 | 3910 PARK AVE SUITE 8, Edison, NJ | Primary Care Clinic/Center | Oct 5, 2006 |
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 Adult Medicine Specialists have 5 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Adult Medicine Specialists'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.