NPPES file of Aug 9, 2026

Tamara J. Top, CNP

Adult Health Nurse Practitioner · Sioux Falls, SD

Tamara J. Top, CNP is an adult health nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1427028893, issued on Jan 26, 2006. Check the license (South Dakota CNP 0366, 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
1427028893
Name
Tamara J. Top
Credential
CNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
CNP 0366 SD
Self-reported in NPPES; status is on the state search
Practice location
1309 W 17TH St, Sioux Falls, SD 57104
Phone
(605) 328-8000
Enumerated
Jan 26, 2006
Record last updated
Dec 2, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(605) 328-8001
Medicaid ID
6001032 SD
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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Also registered at 1309 W 17TH St

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

  1. Jonathan Bleeker, MDHematology & Oncology Physician1457573974
  2. Joseph Driewer, PHDRadiological Physics Physician1376499038
  3. Laurie Gromer, CNPNurse Practitioner1851361216
  4. Susan Halbritter, CNPNurse Practitioner1295788271
  5. Kimberly Hamer, DNP, CNP, FNP-CNurse Practitioner1497127005
  6. Ashley Heupel, CNPAcute Care Nurse Practitioner1316829534

Verify Tamara J. Top 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 CNP 0366
    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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53% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

602 Medicare Part D claims for 90 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Tamara Top602
  2. Specialty average1,280

Most prescribed

  1. Clopidogrel123 claims
  2. Atorvastatin Calcium61 claims
  3. Rosuvastatin Calcium43 claims
  4. Metoprolol Tartrate39 claims
  5. Carvedilol37 claims
  6. Furosemide29 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: $88.53

5 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tamara Top$88.53
  2. Specialty average$946.40

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

Tamara J. Top among 24 adult health nurse practitioner records in South Dakota

Tamara J. Top, CNP is one of 24 adult health nurse practitioner records with a practice address in South Dakota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 79% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2009 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in South Dakota

There are 24 adult health nurse practitioner records in South Dakota.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Amanda Fellbaum, CNPSioux Falls, SD 571041083377584
  2. Kathryn Moore, CNPSioux Falls, SD 571041538756507
  3. Elizabeth Edman, CNPSioux Falls, SD 571051427463371
  4. Kristine Gaster, CNP, MS, CS, RNSioux Falls, SD 571051457327702
  5. Andrew Murtha, NP-CSioux Falls, SD 571051780134023
  6. Alison Serck, CNPSioux Falls, SD 571051902391287
  7. Michelle Vandemark, CNPSioux Falls, SD 571051518283779
  8. Rebekah Irwin, APRNSioux Falls, SD 571061770783714

Common questions

What is Tamara J. Top, CNP's NPI number?

Tamara J. Top, CNP's National Provider Identifier (NPI) is 1427028893, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamara J. Top, CNP located?

The NPPES record lists a practice address at 1309 W 17TH St, Sioux Falls, SD, 57104. Phone: (605) 328-8000. Providers update this record themselves, so call before visiting.

How can I verify Tamara J. Top, CNP's license?

NPPES lists South Dakota license number CNP 0366, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Tamara J. Top, CNP prescribe under Medicare Part D?

In 2024, Tamara J. Top, CNP had 602 Medicare Part D claims for 90 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.