NPPES file of Aug 9, 2026

Andrew Warren Nielsen, PA-C

Medical Physician Assistant · Joint Base Lewis McChord, WA

Andrew Warren Nielsen, PA-C is a medical physician assistant with a practice address in Joint Base Lewis McChord, Washington, and NPI 1245505858, issued on Mar 14, 2012. Check the license with the Washington 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
1245505858
Name
Andrew Warren Nielsen
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
12307 GA
Self-reported in NPPES; status is on the state search
Practice location
9040 Fitzsimmons Dr, Joint Base Lewis McChord, WA 98431
Phone
(253) 968-1110
Enumerated
Mar 14, 2012
Record last updated
Aug 6, 2025
Medicare enrollment
Enrolled (PECOS I20241009003473); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2012
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 9040 Fitzsimmons Dr

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

  1. Carl BarnesStudent in an Organized Health Care Education/Training Program1316313216
  2. David BarryStudent in an Organized Health Care Education/Training Program1073930368
  3. Patrick Bedard, MDEmergency Medicine Physician1396246823
  4. Lynn BreckenridgeStudent in an Organized Health Care Education/Training Program1467732818
  5. Kira BrownStudent in an Organized Health Care Education/Training Program1073941431
  6. Ross Candelore, DOEmergency Medicine Physician1104327527

Verify Andrew Warren Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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 Washington 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 2 group practices

  1. Clanton Enterprises Series LLCProvo, UT
  2. The Longstreet Clinic, PCGainesville, GA

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

Andrew Warren Nielsen among 1,068 medical physician assistant records in Washington

Andrew Warren Nielsen, PA-C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 61% of them.

  • NPI issued2012 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2012 · median 2013 among the 581 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 medical physician assistant records list a practice address in Joint Base Lewis McChord

They are 10 of the 408 NPPES records with a practice address in Joint Base Lewis McChord, and 1,068 medical physician assistant records in Washington.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Amy Ashworth, PA-C, MPASTacoma, WA 984311427023746
  2. Flint Blaser, PA-CTacoma, WA 984311154383164
  3. David Brand, PA-CTacoma, WA 984311306810148
  4. Gayle Brannon, PA-CTacoma, WA 984311225056302
  5. Charles Coleman, PA-CTacoma, WA 984311902909450
  6. Aaron Cronin, P.A., DSCTacoma, WA 984311194782631
  7. Rachel Deboer, PA-CTacoma, WA 984311063470367
  8. Timothy Hoover, PA-CJoint Base Lewis McChord, WA 984311336256429

Common questions

What is Andrew Warren Nielsen, PA-C's NPI number?

Andrew Warren Nielsen, PA-C's National Provider Identifier (NPI) is 1245505858, issued on Mar 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Warren Nielsen, PA-C located?

The NPPES record lists a practice address at 9040 Fitzsimmons Dr, Joint Base Lewis McChord, WA, 98431. Phone: (253) 968-1110. Providers update this record themselves, so call before visiting.

How can I verify Andrew Warren Nielsen, PA-C's license?

Search the Washington 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.

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.