NPPES file of Aug 9, 2026

Whitney J. Delforge, CNP

Family Nurse Practitioner · Yankton, SD

Whitney J. Delforge, CNP is a family nurse practitioner with a practice address in Yankton, South Dakota, and NPI 1265709141, issued on Nov 21, 2011. Check the license (South Dakota CP000639, 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
1265709141
Name
Whitney J. Delforge
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CP000639 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
Nov 21, 2011
Record last updated
Jun 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(605) 665-0546
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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8 nearest family nurse practitioner records → All 862 in South Dakota → Look up another NPI →

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 Whitney J. Delforge 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 CP000639    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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Whitney J. Delforge among 862 family nurse practitioner records in South Dakota

Whitney J. Delforge, CNP is one of 862 family nurse practitioner records with a practice address in South Dakota. 82% 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 2011, is newer than 18% of them.

  • NPI issued2011 · 18% of these records are older, 79% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2020 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 family nurse practitioner records list a practice address in Yankton

They are 18 of the 515 NPPES records with a practice address in Yankton, and 862 family nurse practitioner records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 862 in South Dakota → Every provider in Yankton → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Stacy Brandt, APRN-NPYankton, SD 570781962874149
  2. Barbara De Witt, RN, CNPYankton, SD 570781922540616
  3. Elizabeth Eggers, MSN, FNP-CYankton, SD 570781285935106
  4. James Fillaus, CNPYankton, SD 570781386157709
  5. Holly HabermanYankton, SD 570781083073597
  6. Raina Hoebelheinrich, NPYankton, SD 570781679976401
  7. Katherine Huff, APRN, FNP-BCYankton, SD 570781558729046
  8. Debra Kolecka, CNPYankton, SD 570781487723474

Common questions

What is Whitney J. Delforge, CNP's NPI number?

Whitney J. Delforge, CNP's National Provider Identifier (NPI) is 1265709141, issued on Nov 21, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Whitney J. Delforge, CNP 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 Whitney J. Delforge, CNP's license?

NPPES lists South Dakota license number CP000639, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.