Darwin Gramstad, CRNA
Certified Registered Nurse Anesthetist · Sioux Falls, SD
Darwin Gramstad, CRNA is a certified registered nurse anesthetist with a practice address in Sioux Falls, South Dakota, and NPI 1063401081, issued on Oct 21, 2005. Check the license (South Dakota R024467, 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
- Darwin Gramstad
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- R024467 SD
Self-reported in NPPES; status is on the state search - Practice location
- 6601 S Minnesota Ave, Sioux Falls, SD 57108
- Phone
- (605) 336-6294
- Enumerated
- Oct 21, 2005
- Entity
- Type 1 · individual
Also registered at 6601 S Minnesota Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Darwin Gramstad 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 R024467Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
245 certified registered nurse anesthetist records list a Sioux Falls practice address
They are 245 of the 6,563 NPPES records with a Sioux Falls practice address, and 500 certified registered nurse anesthetist records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 245 in Sioux Falls → All 500 in South Dakota → Every provider in Sioux Falls →
Other certified registered nurse anesthetist records in South Dakota
- Heather Adolph, CRNASpearfish, SD1740021757
- Alissa Alberts, CRNASioux Falls, SD1124252648
- Stephen Allen, CRNARapid City, SD1558454876
- Joseph Amo, CRNARapid City, SD1053536359
- Anna Anderson, CRNASioux Falls, SD1437016680
- Carrie Anderson, APRN, CRNASioux Falls, SD1972128692
- Gary Anderson, CRNARapid City, SD1124135413
- Kathleen Anderson, CRNASioux Falls, SD1184697757
- Megan Anderson, CRNARapid City, SD1790171411
- Ryan Anderson, CRNADakota Dunes, SD1053872416
Common questions
What is Darwin Gramstad, CRNA's NPI number?
Darwin Gramstad, CRNA's National Provider Identifier (NPI) is 1063401081, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Darwin Gramstad, CRNA located?
The NPPES record lists a practice address at 6601 S Minnesota Ave, Sioux Falls, SD, 57108. Phone: (605) 336-6294. Providers update this record themselves, so call before visiting.
How can I verify Darwin Gramstad, CRNA's license?
NPPES lists South Dakota license number R024467, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.