NPPES file of Aug 9, 2026

Jennessa Marie Nielsen Warzecha, M.D.

Family Medicine Physician · Alexandria, MN

Jennessa Marie Nielsen Warzecha, M.D. is a family medicine physician with a practice address in Alexandria, Minnesota, and NPI 1619946506, issued on Mar 14, 2006. Check the license (Minnesota 47818, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1619946506
Name
Jennessa Marie Nielsen Warzecha
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
47818 MN
Self-reported in NPPES; status is on the state search
Practice location
610 30TH Ave W, Alexandria, MN 56308
Phone
(320) 763-5123
Enumerated
Mar 14, 2006
Record last updated
Oct 21, 2024
Medicaid ID
627410200 MN
Medicare enrollment
Enrolled (PECOS I20060228000217); accepts Medicare assignment
Medical or professional school
Mayo Medical School, 2004
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 610 30TH Ave W

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

  1. Julie Anderson, CNPFamily Nurse Practitioner1811988207
  2. Rachel Arickx, FNP-CFamily Nurse Practitioner1144867318
  3. Paul Bergstrand, MDFamily Medicine Physician1235119645
  4. Maxwell Berscheit, NP-CAdult Health Nurse Practitioner1306315486
  5. Andrea Boe, MDInternal Medicine Physician1033108949
  6. Michael Bristow, DOFamily Medicine Physician1134109648

Verify Jennessa Marie Nielsen Warzecha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 47818
    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
Open the Minnesota 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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2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,354 Medicare Part D claims for 387 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 162 claims were for opioids.

  1. Jennessa Warzecha8,354
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium618 claims
  2. Levothyroxine Sodium419 claims
  3. Losartan Potassium417 claims
  4. Lisinopril368 claims
  5. Gabapentin269 claims
  6. Metoprolol Succinate247 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.

One hospital affiliation

  1. Alomere HealthAlexandria, MN · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Jennessa Marie Nielsen Warzecha among 3,985 family medicine physician records in Minnesota

Jennessa Marie Nielsen Warzecha, M.D. is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 42% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2004 · median 2006 among the 2,483 with a school on file
  • Record last updated2024 · 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 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 family medicine physician records list a practice address in Alexandria

They are 35 of the 781 NPPES records with a practice address in Alexandria, and 3,985 family medicine physician records in Minnesota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Paul Bergstrand, MDAlexandria, MN 563081235119645
  2. Michael Bristow, DOAlexandria, MN 563081134109648
  3. Aaron Crowser, MDAlexandria, MN 563081922098425
  4. George Erhard, MDAlexandria, MN 563081912987868
  5. Bruce Evink, MDAlexandria, MN 563081518937911
  6. Steven Ferguson, MDAlexandria, MN 563081366422768
  7. Scott Hegstad, MDAlexandria, MN 563081730169251
  8. Sandra Johnson, MDAlexandria, MN 563081255311650

Common questions

What is Jennessa Marie Nielsen Warzecha, M.D.'s NPI number?

Jennessa Marie Nielsen Warzecha, M.D.'s National Provider Identifier (NPI) is 1619946506, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennessa Marie Nielsen Warzecha, M.D. located?

The NPPES record lists a practice address at 610 30TH Ave W, Alexandria, MN, 56308. Phone: (320) 763-5123. Providers update this record themselves, so call before visiting.

How can I verify Jennessa Marie Nielsen Warzecha, M.D.'s license?

NPPES lists Minnesota license number 47818, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jennessa Marie Nielsen Warzecha, M.D. prescribe under Medicare Part D?

In 2024, Jennessa Marie Nielsen Warzecha, M.D. had 8,354 Medicare Part D claims for 387 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.