Cassandra Ann Callahan, CNP
Family Nurse Practitioner · Rapid City, SD
Cassandra Ann Callahan, CNP is a family nurse practitioner with a practice address in Rapid City, South Dakota, and NPI 1235091299, issued on Nov 28, 2025. Check the license (South Dakota CP003940, 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.
- Name
- Cassandra Ann Callahan
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CP003940 SD
Self-reported in NPPES; status is on the state search - Practice location
- 353 Fairmont Blvd, Rapid City, SD 57701
- Phone
- (605) 755-1000
- Enumerated
- Nov 28, 2025
- Record last updated
- Nov 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20260213002873); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 862 in South Dakota → Look up another NPI →
Also registered at 353 Fairmont Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cassandra Ann Callahan 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 CP003940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cassandra Ann Callahan among 862 family nurse practitioner records in South Dakota
Cassandra Ann Callahan, 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 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 3% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2024 · median 2019 among the 615 with a school on file
- Record last updated2025 · 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).
132 family nurse practitioner records list a practice address in Rapid City
They are 132 of the 3,017 NPPES records with a practice address in Rapid City, 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 Rapid City → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sean Davies, APRNRapid City, SD 577011083964274
- Diann Habicht, CNPRapid City, SD 577011700193158
- Kathleen Ingle, FNPRapid City, SD 577011811949266
- Debby JensenRapid City, SD 577011912934480
- Paulette Kirby, FNPRapid City, SD 577011033189790
- Jennifer Knowles, CNPRapid City, SD 577011063729853
- Deborah Kuehn, NNPRapid City, SD 577011417919960
- Jane Langbehn, CNPRapid City, SD 577011134108699
Common questions
What is Cassandra Ann Callahan, CNP's NPI number?
Cassandra Ann Callahan, CNP's National Provider Identifier (NPI) is 1235091299, issued on Nov 28, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Ann Callahan, CNP located?
The NPPES record lists a practice address at 353 Fairmont Blvd, Rapid City, SD, 57701. Phone: (605) 755-1000. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Ann Callahan, CNP's license?
NPPES lists South Dakota license number CP003940, 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.