Christopher S. Williams
Pediatric Medical Toxicology Physician · Minneapolis, MN
Christopher S. Williams is a pediatric medical toxicology physician with a practice address in Minneapolis, Minnesota, and NPI 1750368668, issued on Dec 30, 2005. Check the license (Minnesota 44289, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Christopher S. Williams
- Primary taxonomy
- Pediatric Medical Toxicology Physician 2080T0002X
- License number
- 44289 MN
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Blaisdell Ave, Minneapolis, MN 55404
- Phone
- (952) 993-8000
- Enumerated
- Dec 30, 2005
- Record last updated
- Jun 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080509000040); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1989
- Entity
- Type 1 · individual
1 nearest pediatric medical toxicology physician record → All 2 in Minnesota → Look up another NPI →
Also registered at 2001 Blaisdell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frederick Arnason, M.D.Internal Medicine Physician1477530004
- Mary Arneson, M.D.Occupational Medicine Physician1609853209
- Bradley Basco, DPTPhysical Therapist1073181483
- Laura Billstein, MDOccupational Medicine Physician1821613142
- Sheryl Brown, MSW, LICSWClinical Social Worker1497732440
- Kathleen Caulfield, PTPhysical Therapist1730561549
Verify Christopher S. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 44289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Park Nicollet ClinicMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Medical Toxicology Physician providers in Minnesota
There are 2 pediatric medical toxicology physician records in Minnesota.
All 2 in Minnesota → Every provider in Minneapolis → Pediatric Medical Toxicology Physician nationwide →
The 1 pediatric medical toxicology physician record with the nearest ZIP codes
- Abby Montague, MDMinneapolis, MN 554041285929448
Common questions
What is Christopher S. Williams's NPI number?
Christopher S. Williams's National Provider Identifier (NPI) is 1750368668, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher S. Williams located?
The NPPES record lists a practice address at 2001 Blaisdell Ave, Minneapolis, MN, 55404. Phone: (952) 993-8000. Providers update this record themselves, so call before visiting.
How can I verify Christopher S. Williams's license?
NPPES lists Minnesota license number 44289, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.