Tiffany Johnston, CNP
Nurse Practitioner · Sioux Falls, SD
Tiffany Johnston, CNP is a nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1437670965, issued on Jul 6, 2017. Check the license (South Dakota CP001232, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany Johnston
- Credential
- CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- CP001232 SD
Self-reported in NPPES; status is on the state search - Practice location
- 911 E 20TH St Ste 300, Sioux Falls, SD 57105
- Phone
- (605) 322-1300
- Enumerated
- Jul 6, 2017
- Entity
- Type 1 · individual
Also registered at 911 E 20TH St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tiffany Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license CP001232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average nurse practitioner in 2024
41 Medicare Part D claims for 24 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $139.39
3 payments, mostly food and beverage; the largest payer was Conetic Solutions, Inc.. The 36,168 providers of this specialty with any payment received $802.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Avera MckennanSioux Falls, SD
- Grand Strand Specialty Associates, LLCMyrtle Beach, SC
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
214 nurse practitioner records list a Sioux Falls practice address
They are 214 of the 6,563 NPPES records with a Sioux Falls practice address, and 440 nurse practitioner records in South Dakota.
All 214 in Sioux Falls → All 440 in South Dakota → Every provider in Sioux Falls →
Other nurse practitioner records in South Dakota
- Melissa Aberle, MS, CNPRapid City, SD1881665891
- Logan Adamek, ACNPC-AGSioux Falls, SD1700757382
- Lauren Albers, CNPRapid City, SD1245874239
- Emily Andersen, CNPSioux Falls, SD1295021806
- Anna Anderson, NPSioux Falls, SD1881372506
- Darbi Anderson, CNPSpearfish, SD1932774031
- Kelsey Anderson, NP-CSioux Falls, SD1356817126
- Shanna Anderson, CNPAberdeen, SD1669769998
- Patricia Annetts, FNPCuster, SD1700448206
- Joelle Archer, NPFort Meade, SD1689342016
Common questions
What is Tiffany Johnston, CNP's NPI number?
Tiffany Johnston, CNP's National Provider Identifier (NPI) is 1437670965, issued on Jul 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Johnston, CNP located?
The NPPES record lists a practice address at 911 E 20TH St Ste 300, Sioux Falls, SD, 57105. Phone: (605) 322-1300. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Johnston, CNP's license?
NPPES lists South Dakota license number CP001232, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany Johnston, CNP prescribe under Medicare Part D?
In 2024, Tiffany Johnston, CNP had 41 Medicare Part D claims for 24 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.