NPPES file of Aug 9, 2026

Nancy Lee Olson, MS RD LN

Registered Dietitian · Watertown, SD

Nancy Lee Olson, MS RD LN is a registered dietitian with a practice address in Watertown, South Dakota, and NPI 1952590291, issued on Oct 23, 2007. Check the license (South Dakota 0158, 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
1952590291
Name
Nancy Lee Olson
Credential
MS RD LN
Primary taxonomy
Registered Dietitian 133V00000X
License number
0158 SD
Self-reported in NPPES; status is on the state search
Practice location
401 9TH Ave NW, Watertown, SD 57701
Phone
(605) 882-7874
Enumerated
Oct 23, 2007
Record last updated
Oct 23, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(605) 882-7720
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 401 9TH Ave NW

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

  1. Ghaith Aboud, M.DInternal Medicine Physician1497117618
  2. Ferdinand Addo, MDHematology & Oncology Physician1760461388
  3. Christopher Adducci, MDUrology Physician1598709750
  4. Kayla Aman, RD, LNRegistered Dietitian1891007837
  5. Bipinkumar Amin, MDHematology & Oncology Physician1568415628
  6. Hamid Assadi, MDFamily Medicine Physician1841671872

Verify Nancy Lee Olson 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 0158
    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

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13 registered dietitian records list a practice address in Watertown

They are 13 of the 543 NPPES records with a practice address in Watertown, and 247 registered dietitian records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered dietitian records in South Dakota

  1. Anne Ailts, MS, RD, LNSioux Falls, SD1760807135
  2. Kayla Aman, RD, LNWatertown, SD1891007837
  3. Steven Arity, R.D.Pine Ridge, SD1073629457
  4. Mary Auch, RDLNVermillion, SD1992717680
  5. Melissa Bardsley, RD, CDE, CDSpearfish, SD1033371372
  6. Linda Bartl, RD, LNAberdeen, SD1841644978
  7. Jessica BeckerSioux Falls, SD1821539321
  8. Rebecca Bell, RDSioux Falls, SD1760012538
  9. Francesca Benson, RDN, LNFort Thompson, SD1124792858
  10. Sara Berreth, RDN, LNWatertown, SD1316493208

Common questions

What is Nancy Lee Olson, MS RD LN's NPI number?

Nancy Lee Olson, MS RD LN's National Provider Identifier (NPI) is 1952590291, issued on Oct 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Lee Olson, MS RD LN located?

The NPPES record lists a practice address at 401 9TH Ave NW, Watertown, SD, 57701. Phone: (605) 882-7874. Providers update this record themselves, so call before visiting.

How can I verify Nancy Lee Olson, MS RD LN's license?

NPPES lists South Dakota license number 0158, 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.