NPPES file of Aug 9, 2026

Alyssa Jean Flagge, PA-C

Physician Assistant · Watertown, WI

Alyssa Jean Flagge, PA-C is a physician assistant with a practice address in Watertown, Wisconsin, and NPI 1356074512, issued on Jul 6, 2022. Check the license (Wisconsin 8477-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1356074512
Name
Alyssa Jean Flagge
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
8477-23 WI
Self-reported in NPPES; status is on the state search
Practice location
127 Hospital Dr, Watertown, WI 53098
Phone
(414) 899-6412
Enumerated
Jul 6, 2022
Record last updated
Jul 15, 2025
Medicare enrollment
Enrolled (PECOS I20250909002871); 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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8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →

Also registered at 127 Hospital Dr

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

  1. John Basarich, MDFamily Medicine Physician1033178512
  2. Bruce Cochrane, M.D.Family Medicine Physician1922176064
  3. Melodie Defouw, APNPFamily Nurse Practitioner1881164481
  4. Frederick Gremmels, D.O.Family Medicine Physician1720156896
  5. Richard Holden, M.D.Family Medicine Physician1215005368
  6. Robert Legrow, M.D.Family Medicine Physician1013908771

Verify Alyssa Jean Flagge in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 8477-23    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 Wisconsin 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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Bills Medicare through one group practice

  1. Watertown Family Practice Associates, SCWatertown, WI

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

Alyssa Jean Flagge among 3,475 physician assistant records in Wisconsin

Alyssa Jean Flagge, PA-C is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 80% of them.

  • NPI issued2022 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2025 · median 2016 among the 2,491 with a school on file
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 physician assistant records list a practice address in Watertown

They are 10 of the 366 NPPES records with a practice address in Watertown, and 3,475 physician assistant records in Wisconsin.

All 3,475 in Wisconsin → Every provider in Watertown → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Teresa Grimes, PA-CWatertown, WI 530981619024494
  2. Kristin Hanington Erickson, PA-CWatertown, WI 530981093997355
  3. Jessica Krupinski, PAWatertown, WI 530981104415835
  4. Lindsey Martens, PA-CWatertown, WI 530981093459885
  5. Elizabeth Nelson, PA-CWatertown, WI 530981669007357
  6. Angela Newman, PA-CWatertown, WI 530981386826907
  7. Deborah Pacey, P.A.-CWatertown, WI 530981104843721
  8. Alyssa Rasmussen, PA-CWatertown, WI 530981942776570

Common questions

What is Alyssa Jean Flagge, PA-C's NPI number?

Alyssa Jean Flagge, PA-C's National Provider Identifier (NPI) is 1356074512, issued on Jul 6, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Jean Flagge, PA-C located?

The NPPES record lists a practice address at 127 Hospital Dr, Watertown, WI, 53098. Phone: (414) 899-6412. Providers update this record themselves, so call before visiting.

How can I verify Alyssa Jean Flagge, PA-C's license?

NPPES lists Wisconsin license number 8477-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.