Nisenfeld & Chilton Md
Nisenfeld & Chilton Md holds 5 active organization NPIs in the federal registry, with practice locations in 3 Maryland cities. 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 NPIFrederick has the most NPIs, 3
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2008 and 2012
Source: CMS NPPES, enumeration dates.
4 NPIs were issued in 2012 alone, more than in any other year; none in 3 of the years between.
Frederick locations
The city with the most Nisenfeld & Chilton Md NPIs. The full list of all 5 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1114177417 | 86 THOMAS JOHNSON CT, Frederick | Ambulatory Surgical Clinic/Center | Sep 23, 2008 |
| 1447519491 | 86 THOMAS JOHNSON CT, Frederick | Orthopaedic Surgery Physician | May 11, 2012 |
| 1871852806 | 170 THOMAS JOHNSON DR STE. 102, Frederick | Physical Therapist | May 11, 2012 |
All 5 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1114177417 | 86 THOMAS JOHNSON CT, Frederick | Ambulatory Surgical Clinic/Center | Sep 23, 2008 |
| 1447519491 | 86 THOMAS JOHNSON CT, Frederick | Orthopaedic Surgery Physician | May 11, 2012 |
| 1871852806 | 170 THOMAS JOHNSON DR STE. 102, Frederick | Physical Therapist | May 11, 2012 |
| 1881953354 | 1829 HOWELL RD STE. 4, Hagerstown | Rheumatology Physician | May 3, 2012 |
| 1972862431 | 3280 URBANA PIKE STE. 105, Ijamsville | Orthopaedic Surgery Physician | May 3, 2012 |
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 Nisenfeld & Chilton Md 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. Nisenfeld & Chilton Md'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.