NPPES file of Aug 9, 2026

David W. Seiffert, FNPC

Family Nurse Practitioner · Tumwater, WA

David W. Seiffert, FNPC is a family nurse practitioner with a practice address in Tumwater, Washington, and NPI 1629052055, issued on Nov 30, 2005. 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629052055
Name
David W. Seiffert
Credential
FNPC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
788 AK
21813 AK
Self-reported in NPPES; status is on the state search
Practice location
150 Dennis St SW, Tumwater, WA 98501
Phone
(360) 754-6367
Enumerated
Nov 30, 2005
Record last updated
Apr 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(360) 754-6429
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 150 Dennis St SW

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

  1. Jessica Ahern, ARNPNurse Practitioner1245077239
  2. Sean Atteridge, DOFamily Medicine Physician1326082520
  3. Katherine Fehsenfeld, PA-C,MAC,LACPhysician Assistant1295962496
  4. Charmaine Green, ARNPFamily Medicine Physician1174245625
  5. Kimberly Ireland, ARNPFamily Nurse Practitioner1285711358
  6. Tammy Morris, PA-CMedical Physician Assistant1144315789

Verify David W. Seiffert 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

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

13 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. David Seiffert13
  2. Specialty average1,305

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: $180.89

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Seiffert$180.89
  2. Specialty average$650.95

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

David W. Seiffert among 3,781 family nurse practitioner records in Washington

David W. Seiffert, FNPC is one of 3,781 family nurse practitioner records with a practice address in Washington. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2012 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family nurse practitioner records list a practice address in Tumwater

They are 7 of the 830 NPPES records with a practice address in Tumwater, and 3,781 family nurse practitioner records in Washington.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Patricia Baxer, ARNPOlympia, WA 985011861619512
  2. Abigail Blackwell, NP-COlympia, WA 985011306477104
  3. Amber Campbell, ARNPOlympia, WA 985011992841043
  4. Molly Dutton, ARNPOlympia, WA 985011285917930
  5. Maria Socorro Gandara, FNPOlympia, WA 985011366625717
  6. Ben Gardner, ARNPOlympia, WA 985011205877727
  7. Sadie Garner, FNPOlympia, WA 985011548145451
  8. Kimberly Ireland, ARNPTumwater, WA 985011285711358

Common questions

What is David W. Seiffert, FNPC's NPI number?

David W. Seiffert, FNPC's National Provider Identifier (NPI) is 1629052055, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David W. Seiffert, FNPC located?

The NPPES record lists a practice address at 150 Dennis St SW, Tumwater, WA, 98501. Phone: (360) 754-6367. Providers update this record themselves, so call before visiting.

How can I verify David W. Seiffert, FNPC's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does David W. Seiffert, FNPC prescribe under Medicare Part D?

In 2024, David W. Seiffert, FNPC had 13 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.