Brianna Elizabeth Grinnell, DO
Family Medicine Physician · Seattle, WA
Brianna Elizabeth Grinnell, DO is a family medicine physician with a practice address in Seattle, Washington, and NPI 1235620378, issued on May 24, 2018. Check the license (Washington OP61078848, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Brianna Elizabeth Grinnell
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OP61078848 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4540 Union Bay PL NE, Seattle, WA 98105
- Phone
- (206) 320-8050
- Enumerated
- May 24, 2018
- Record last updated
- Jan 13, 2022
- Fax
- (206) 320-8048
- Medicaid ID
- 1235620378 WA
- Medicare enrollment
- Enrolled (PECOS I20210804001896); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 4540 Union Bay PL NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brianna Elizabeth Grinnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61078848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average family medicine physician in 2024
1,601 Medicare Part D claims for 176 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium143 claims
- Levothyroxine Sodium112 claims
- Lisinopril66 claims
- Eliquis61 claims
- Rosuvastatin Calcium52 claims
- Amlodipine Besylate51 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
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brianna Elizabeth Grinnell among 5,534 family medicine physician records in Washington
Brianna Elizabeth Grinnell, DO is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2009 among the 3,294 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mindy Blaski, MDSeattle, WA 981051659466969
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- Karri Chinn, MDSeattle, WA 981051386626281
- Catherine Damey, MDSeattle, WA 981051891704045
- Jaco Kruger, M.D.Seattle, WA 981051699705392
- Mark Lacambra, M.D.Seattle, WA 981051508848953
- Pamela McDonald, M.D.Seattle, WA 981051508894841
- Scott McIntyre, M.D.Seattle, WA 981051285662494
Common questions
What is Brianna Elizabeth Grinnell, DO's NPI number?
Brianna Elizabeth Grinnell, DO's National Provider Identifier (NPI) is 1235620378, issued on May 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brianna Elizabeth Grinnell, DO located?
The NPPES record lists a practice address at 4540 Union Bay PL NE, Seattle, WA, 98105. Phone: (206) 320-8050. Providers update this record themselves, so call before visiting.
How can I verify Brianna Elizabeth Grinnell, DO's license?
NPPES lists Washington license number OP61078848, 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 Brianna Elizabeth Grinnell, DO prescribe under Medicare Part D?
In 2024, Brianna Elizabeth Grinnell, DO had 1,601 Medicare Part D claims for 176 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.