NPPES file of Aug 9, 2026

Tabitha Marie Ammann, DNP, CNP

Family Nurse Practitioner · Sioux Falls, SD

Tabitha Marie Ammann, DNP, CNP is a family nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1386045862, issued on Sep 15, 2014. Check the license (South Dakota CP000891, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386045862
Name
Tabitha Marie Ammann
Credential
DNP, CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CP000891 SD
Self-reported in NPPES; status is on the state search
Practice location
6100 S Louise Ave Ste 1110, Sioux Falls, SD 57108
Phone
(605) 504-1900
Enumerated
Sep 15, 2014
Record last updated
Nov 25, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(605) 504-1901
Medicare enrollment
Enrolled (PECOS I20141120002720); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6100 S Louise Ave Ste 1110

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

  1. Matthew Barker, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1588629570
  2. Marissa Eich, CNPFamily Medicine Physician1437043668
  3. Christina PekoskePhysician Assistant1538533427

Verify Tabitha Marie Ammann 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 CP000891
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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54% fewer Medicare Part D claims than the average family nurse practitioner in 2024

606 Medicare Part D claims for 279 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims. 21 claims were for opioids.

  1. Tabitha Ammann606
  2. Specialty average1,305

Most prescribed

  1. Myrbetriq124 claims
  2. Gemtesa83 claims
  3. Clobetasol Propionate54 claims
  4. Cephalexin53 claims
  5. Estradiol52 claims
  6. Nitrofurantoin Mono-Macro31 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: $1,186.39

47 payments; by number, the most common kind was food and beverage; the largest payer was Axonics, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tabitha Ammann$1,186.39
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Avera MckennanSioux Falls, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tabitha Marie Ammann among 862 family nurse practitioner records in South Dakota

Tabitha Marie Ammann, DNP, 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. Its NPI, issued in 2014, is newer than 26% of them.

  • NPI issued2014 · 26% of these records are older, 69% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2014 · median 2019 among the 615 with a school on file
  • 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).

305 family nurse practitioner records list a practice address in Sioux Falls

They are 305 of the 6,563 NPPES records with a practice address in Sioux Falls, and 862 family nurse practitioner records in South Dakota.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Patricia Bultsma, FNP/CSioux Falls, SD 571081841258159
  2. Irena Chernatinski, CNPSioux Falls, SD 571081700133667
  3. Mary Fiedler, CNPSioux Falls, SD 571081093962706
  4. Heidi Furth, CNPSioux Falls, SD 571081669530671
  5. Abigail Gramlick-Mueller, CNPSioux Falls, SD 571081477786200
  6. Paul Kaffar, CNPSioux Falls, SD 571081053419903
  7. Rebecca Leonard, CNPSioux Falls, SD 571081073586632
  8. Sheryl Marckstadt, CNPSioux Falls, SD 571081487658837

Common questions

What is Tabitha Marie Ammann, DNP, CNP's NPI number?

Tabitha Marie Ammann, DNP, CNP's National Provider Identifier (NPI) is 1386045862, issued on Sep 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Tabitha Marie Ammann, DNP, CNP located?

The NPPES record lists a practice address at 6100 S Louise Ave Ste 1110, Sioux Falls, SD, 57108. Phone: (605) 504-1900. Providers update this record themselves, so call before visiting.

How can I verify Tabitha Marie Ammann, DNP, CNP's license?

NPPES lists South Dakota license number CP000891, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Tabitha Marie Ammann, DNP, CNP prescribe under Medicare Part D?

In 2024, Tabitha Marie Ammann, DNP, CNP had 606 Medicare Part D claims for 279 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.