NPPES file of Aug 9, 2026

Tim Downing, PA

Medical Physician Assistant · Yankton, SD

Tim Downing, PA is a medical physician assistant with a practice address in Yankton, South Dakota, and NPI 1790786788, issued on Aug 2, 2005. Check the license (South Dakota 0154, as entered in NPPES) with the South Dakota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790786788
Name
Tim Downing
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
0154 SD
Self-reported in NPPES; status is on the state search
Practice location
1104 W 8TH St, Yankton, SD 57078
Phone
(605) 665-7841
Enumerated
Aug 2, 2005
Record last updated
Jul 13, 2026
Fax
(605) 665-0546
Medicaid ID
6826740 SD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1104 W 8TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brent Adams, MDOrthopaedic Surgery Physician1093930521
  2. Cassandra Arens, PAPhysician Assistant1033522966
  3. Sarah ArensPhysician Assistant1669912291
  4. Amber Authier, PA-CMedical Physician Assistant1518679851
  5. Clarissa Barnes, M.D.Internal Medicine Physician1770758757
  6. Leann Bassing, M.D.Rheumatology Physician1871784124

Verify Tim Downing in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license 0154
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Tim Downing among 96 medical physician assistant records in South Dakota

Tim Downing, PA is one of 96 medical physician assistant records with a practice address in South Dakota. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileNo · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2026 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in South Dakota

There are 96 medical physician assistant records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Amber Authier, PA-CYankton, SD 570781518679851
  2. Melissa Fullner-Marshall, PAYankton, SD 570781407033012
  3. Christopher Hoffman, PAYankton, SD 570781104546936
  4. Michelle Chaussee, PA-CVermillion, SD 570691922247980
  5. Michelle Gielski, PA-CVermillion, SD 570691659328706
  6. Phil Jaquith, PAVermillion, SD 570691437150380
  7. John Barnett, PA-CSalem, SD 570581952339343
  8. Stephanie BonnerSioux Falls, SD 571051679813448

Common questions

What is Tim Downing, PA's NPI number?

Tim Downing, PA's National Provider Identifier (NPI) is 1790786788, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tim Downing, PA located?

The NPPES record lists a practice address at 1104 W 8TH St, Yankton, SD, 57078. Phone: (605) 665-7841. Providers update this record themselves, so call before visiting.

How can I verify Tim Downing, PA's license?

NPPES lists South Dakota license number 0154, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.