Mary Katherine Marsh, RN
Registered Nurse · Bellingham, WA
Mary Katherine Marsh, RN is a registered nurse with a practice address in Bellingham, Washington, and NPI 1538474259, issued on Aug 18, 2010. Check the license (Washington RN60135162, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Katherine Marsh
- Credential
- RN
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- RN60135162 WA
Self-reported in NPPES; status is on the state search - Practice location
- 609 N Shore Dr, Bellingham, WA 98226
- Phone
- (360) 676-6000
- Enumerated
- Aug 18, 2010
- Record last updated
- Aug 18, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 5,708 in Washington → Look up another NPI →
Also registered at 609 N Shore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Katherine Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license RN60135162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Katherine Marsh among 5,708 registered nurse records in Washington
Mary Katherine Marsh, RN is one of 5,708 registered nurse records with a practice address in Washington. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 6% of them.
- NPI issued2010 · 6% of these records are older, 93% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 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 163W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
127 registered nurse records list a practice address in Bellingham
They are 127 of the 5,172 NPPES records with a practice address in Bellingham, and 5,708 registered nurse records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,708 in Washington → Every provider in Bellingham → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Jessica Aiken, RNBellingham, WA 982261588632319
- Suzanne Black, RNBellingham, WA 982261962819979
- Howard Corrin, RNBellingham, WA 982261346217734
- Tamara DewildeBellingham, WA 982261053732479
- Gail Estes, R.N.Bellingham, WA 982261609268275
- Chloe Farmer, R.N.Bellingham, WA 982261427453570
- Ryan KnightBellingham, WA 982261437526696
- Penny La Sac, RNBellingham, WA 982261366628596
Common questions
What is Mary Katherine Marsh, RN's NPI number?
Mary Katherine Marsh, RN's National Provider Identifier (NPI) is 1538474259, issued on Aug 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Marsh, RN located?
The NPPES record lists a practice address at 609 N Shore Dr, Bellingham, WA, 98226. Phone: (360) 676-6000. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Marsh, RN's license?
NPPES lists Washington license number RN60135162, as entered by the provider. 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. 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.