NPPES file of Aug 9, 2026

Timothy A. Nydam, M.D.

Emergency Medicine Physician · Sioux Falls, SD

Timothy A. Nydam, M.D. is an emergency medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1972714533, issued on May 25, 2007. Check the license (South Dakota 10115, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; 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
1972714533
Name
Timothy A. Nydam
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
10115 SD
04-37803 KS
Self-reported in NPPES; status is on the state search
Practice location
900 E 54TH St N Ste 200, Sioux Falls, SD 57104
Phone
(605) 328-9300
Enumerated
May 25, 2007
Record last updated
Jan 21, 2025
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.
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Also registered at 900 E 54TH St N Ste 200

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

  1. Lisa AtnipNurse Practitioner1861684995
  2. Aleesha Clyde, OTOccupational Therapist1508131269
  3. Kara Dejong, CNPNurse Practitioner1710602958
  4. Gregory Hoyme, P.T.Physical Therapist1104082585
  5. Gary Marckstadt, MDFamily Medicine Physician1053364091
  6. Kelly Marshall, OTOccupational Therapist1639409493

Verify Timothy A. Nydam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 10115
    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
Open the South Dakota license search

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Emergency Medicine Physician providers in South Dakota

There are 122 emergency medicine physician records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other emergency medicine physician records in South Dakota

  1. Benjamin Aaker, MDYankton, SD1811198278
  2. Joseph Alex, MDSioux Falls, SD1407484819
  3. Reid Allred, M.D.Madison, SD1437463767
  4. Jeffrey Anderson, MDRapid City, SD1033236930
  5. Kevin Aston, DOAberdeen, SD1457319121
  6. Ryan Austin, D.O.Sioux Falls, SD1336521251
  7. Katelynn Bailey, DOWatertown, SD1972023083
  8. Thomas Barrows, M.D.Rosebud, SD1790795342
  9. James Bear, MDWatertown, SD1679543037
  10. John Belk, DOSioux Falls, SD1346254984

Common questions

What is Timothy A. Nydam, M.D.'s NPI number?

Timothy A. Nydam, M.D.'s National Provider Identifier (NPI) is 1972714533, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Timothy A. Nydam, M.D. located?

The NPPES record lists a practice address at 900 E 54TH St N Ste 200, Sioux Falls, SD, 57104. Phone: (605) 328-9300. Providers update this record themselves, so call before visiting.

How can I verify Timothy A. Nydam, M.D.'s license?

NPPES lists South Dakota license number 10115, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. 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. 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.