NPPES file of Aug 9, 2026

Kaitlin M. Maasdam, ARNP

Nurse Practitioner · Olympia, WA

Kaitlin M. Maasdam, ARNP is a nurse practitioner with a practice address in Olympia, Washington, and NPI 1225681414, issued on Jul 17, 2019. Check the license (Washington AP61035952, 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
1225681414
Name
Kaitlin M. Maasdam
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
AP61035952 WA
Self-reported in NPPES; status is on the state search
Practice location
413 Lilly RD NE, Olympia, WA 98506
Phone
(360) 493-4083
Enumerated
Jul 17, 2019
Record last updated
Jun 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200728000000); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 413 Lilly RD NE

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

  1. Stella Aaboe, MDAnesthesiology Physician1306810700
  2. Waleed Abraham, MDInternal Medicine Physician1871567495
  3. Fredrick An, DOInternal Medicine Physician1194991901
  4. Nina Andersen, DOHospice and Palliative Medicine (Internal Medicine) Physician1912535576
  5. Andrea Andrews, PHARMDPharmacist1952855389
  6. Scott Archer, ARNPAdult Health Nurse Practitioner1093979940

Verify Kaitlin M. Maasdam 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 AP61035952
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average nurse practitioner in 2024

62 Medicare Part D claims for 37 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Kaitlin Maasdam62
  2. Specialty average1,109

Most prescribed

  1. Oxycodone Hcl22 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.

Industry payments in 2024: $1,247.54

4 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kaitlin Maasdam$1,247.54
  2. Specialty average$791.64

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

Bills Medicare through one group practice

  1. Surgical Associates PLLCOlympia, WA

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

Kaitlin M. Maasdam among 2,308 nurse practitioner records in Washington

Kaitlin M. Maasdam, ARNP is one of 2,308 nurse practitioner records with a practice address in Washington. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 62% of them.

  • NPI issued2019 · 62% of these records are older, 32% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2019 · median 2018 among the 1,301 with a school on file
  • Record last updated2021 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

66 nurse practitioner records list a practice address in Olympia

They are 66 of the 5,034 NPPES records with a practice address in Olympia, and 2,308 nurse practitioner records in Washington.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Teresa Anders, A.R.N.P.Olympia, WA 985061508920505
  2. Jeannette Davis, ARNPOlympia, WA 985061043211915
  3. Lynne Dearing, ARNPOlympia, WA 985061538121157
  4. Joung Evans, ARNPOlympia, WA 985061689726317
  5. Ruby Franklin, A.R.N.P.Olympia, WA 985061851437263
  6. Mary Haw, ARNPOlympia, WA 985061083704621
  7. Martha Henderson, ARNPOlympia, WA 985061407907157
  8. Sandra Kalla, A.R.N.P.Olympia, WA 985061144371089

Common questions

What is Kaitlin M. Maasdam, ARNP's NPI number?

Kaitlin M. Maasdam, ARNP's National Provider Identifier (NPI) is 1225681414, issued on Jul 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlin M. Maasdam, ARNP located?

The NPPES record lists a practice address at 413 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 493-4083. Providers update this record themselves, so call before visiting.

How can I verify Kaitlin M. Maasdam, ARNP's license?

NPPES lists Washington license number AP61035952, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Kaitlin M. Maasdam, ARNP prescribe under Medicare Part D?

In 2024, Kaitlin M. Maasdam, ARNP had 62 Medicare Part D claims for 37 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.