NPPES file of Aug 9, 2026

Margaret M. Henderson, PA-C

Physician Assistant · Puyallup, WA

Margaret M. Henderson, PA-C is a physician assistant with a practice address in Puyallup, Washington, and NPI 1396722245, issued on Dec 30, 2005. Check the license (Washington PA10001527, as entered in NPPES) 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396722245
Name
Margaret M. Henderson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA10001527 WA
Self-reported in NPPES; status is on the state search
Practice location
3908 10TH St SE, Puyallup, WA 98374
Phone
(253) 848-5951
Enumerated
Dec 30, 2005
Record last updated
Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(253) 845-7073
Medicaid ID
1009363 WA
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 3908 10TH St SE

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

  1. Curtis Allen, PA-CPhysician Assistant1477502482
  2. Marc Aversa, MDFamily Medicine Physician1447291984
  3. Ngim Carmichael, PA-CMedical Physician Assistant1346522752
  4. Megan Clarno, PACPhysician Assistant1346623196
  5. Martha Coward, ARNPNurse Practitioner1336505577
  6. Mary Cyr, MDFamily Medicine Physician1447382601

Verify Margaret M. Henderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PA10001527
    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 Washington license search

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98% fewer Medicare Part D claims than the average physician assistant in 2024

15 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Margaret Henderson15
  2. Specialty average830

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: $89.01

2 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Henderson$89.01
  2. Specialty average$841.65

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

Margaret M. Henderson among 3,718 physician assistant records in Washington

Margaret M. Henderson, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2020 · 48% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 physician assistant records list a practice address in Puyallup

They are 88 of the 3,461 NPPES records with a practice address in Puyallup, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. Curtis Allen, PA-CPuyallup, WA 983741477502482
  2. Nathan De Witt, PA-CPuyallup, WA 983741790786705
  3. Cynthia Desmond, ARNPPuyallup, WA 983741245220003
  4. Brandi Faudree, PA-CPuyallup, WA 983741184862757
  5. Addie Findley, PA-CPuyallup, WA 983741033279831
  6. Spencer Fodczuk, MPAS, PA-CPuyallup, WA 983741831253145
  7. James Gee, PA-CPuyallup, WA 983741306889241
  8. Emily Hall, MPH, PA-CPuyallup, WA 983741801029665

Common questions

What is Margaret M. Henderson, PA-C's NPI number?

Margaret M. Henderson, PA-C's National Provider Identifier (NPI) is 1396722245, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Margaret M. Henderson, PA-C located?

The NPPES record lists a practice address at 3908 10TH St SE, Puyallup, WA, 98374. Phone: (253) 848-5951. Providers update this record themselves, so call before visiting.

How can I verify Margaret M. Henderson, PA-C's license?

NPPES lists Washington license number PA10001527, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret M. Henderson, PA-C prescribe under Medicare Part D?

In 2024, Margaret M. Henderson, PA-C had 15 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.