NPPES file of Aug 9, 2026

Tammy L. Karp, APRN, CNP

Nurse Practitioner · Rochester, MN

Tammy L. Karp, APRN, CNP is a nurse practitioner with a practice address in Rochester, Minnesota, and NPI 1225254519, issued on Apr 17, 2007. Check the license (Minnesota R-115732-1, as entered in NPPES) with the Minnesota 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
1225254519
Name
Tammy L. Karp
Credential
APRN, CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
R-115732-1 MN
Self-reported in NPPES; status is on the state search
Practice location
210 9TH St SE, Rochester, MN 55904
Phone
(507) 529-6610
Enumerated
Apr 17, 2007
Record last updated
Feb 15, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid IDs
ENROLLED IA
ENROLLED MN
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 210 9TH St SE

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

  1. Steven Adamson, M.D.Family Medicine Physician1093791105
  2. Caroline Adsmond, AU.D.Audiologist1912683335
  3. Jared Aelony, DPMFoot & Ankle Surgery Podiatrist1932125697
  4. Jenna Aird, MDDermatology Physician1568027159
  5. Michelle Akiko, MDFamily Medicine Physician1114285624
  6. Jordan Anderson, DNP, APRN, CNPGerontology Nurse Practitioner1881301109

Verify Tammy L. Karp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license R-115732-1
    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 Minnesota license search

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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

16 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Tammy Karp16
  2. Specialty average1,109

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.

Tammy L. Karp among 2,582 nurse practitioner records in Minnesota

Tammy L. Karp, APRN, CNP is one of 2,582 nurse practitioner records with a practice address in Minnesota. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 72% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2017 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

952 nurse practitioner records list a practice address in Rochester

They are 952 of the 12,854 NPPES records with a practice address in Rochester, and 2,582 nurse practitioner records in Minnesota.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Marie Anderson, DNP, APRN, CNPRochester, MN 559041952754061
  2. Ida Banks, APRN, CNPRochester, MN 559041144486556
  3. Anne Egan, DNP-FNPRochester, MN 559041376151530
  4. Judith HassRochester, MN 559041033158357
  5. Joseph Kuzma, APRN, CNPRochester, MN 559041134627060
  6. Jada Langer, APRN, CNPRochester, MN 559041396288296
  7. Susan Majerus, RN, CNPRochester, MN 559041356313175
  8. Brooke MaleszewskiRochester, MN 559041255847059

Common questions

What is Tammy L. Karp, APRN, CNP's NPI number?

Tammy L. Karp, APRN, CNP's National Provider Identifier (NPI) is 1225254519, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tammy L. Karp, APRN, CNP located?

The NPPES record lists a practice address at 210 9TH St SE, Rochester, MN, 55904. Phone: (507) 529-6610. Providers update this record themselves, so call before visiting.

How can I verify Tammy L. Karp, APRN, CNP's license?

NPPES lists Minnesota license number R-115732-1, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy L. Karp, APRN, CNP prescribe under Medicare Part D?

In 2024, Tammy L. Karp, APRN, CNP had 16 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.