Marissa Hahn, MD
Emergency Medicine Physician · Issaquah, WA
Marissa Hahn, MD is an emergency medicine physician with a practice address in Issaquah, Washington, and NPI 1831518489, issued on Apr 10, 2014. Check the license (Washington 60757309, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Marissa Hahn
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 60757309 WA
Self-reported in NPPES; status is on the state search - Practice location
- 751 NE Blakely Dr, Issaquah, WA 98029
- Phone
- (425) 381-6173
- Enumerated
- Apr 10, 2014
- Record last updated
- Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190815000796); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 751 NE Blakely Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marissa Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 60757309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average emergency medicine physician in 2024
24 Medicare Part D claims for 15 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Hahn among 1,459 emergency medicine physician records in Washington
Marissa Hahn, MD is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2010 among the 851 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 emergency medicine physician records list a practice address in Issaquah
They are 20 of the 1,727 NPPES records with a practice address in Issaquah, and 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Issaquah → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Todd Bethel, MDIssaquah, WA 980291942392709
- Kori Cossey, DOIssaquah, WA 980291598992695
- Paul DoetschIssaquah, WA 980291255674776
- Ryan Ebisu, MDIssaquah, WA 980291306465174
- Lauren Hart, MDIssaquah, WA 980291013395292
- Shannon Hoium, MDIssaquah, WA 980291376720771
- Margaret Hubbard, M.D.Issaquah, WA 980291497794531
- Natasha Sanchez Cristal, MD/MPHIssaquah, WA 980291184113011
Common questions
What is Marissa Hahn, MD's NPI number?
Marissa Hahn, MD's National Provider Identifier (NPI) is 1831518489, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Hahn, MD located?
The NPPES record lists a practice address at 751 NE Blakely Dr, Issaquah, WA, 98029. Phone: (425) 381-6173. Providers update this record themselves, so call before visiting.
How can I verify Marissa Hahn, MD's license?
NPPES lists Washington license number 60757309, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marissa Hahn, MD prescribe under Medicare Part D?
In 2024, Marissa Hahn, MD had 24 Medicare Part D claims for 15 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.