Phillip Oliver Coffin, M.D.
Hospitalist Physician · Seattle, WA
Phillip Oliver Coffin, M.D. is a hospitalist physician with a practice address in Seattle, Washington, and NPI 1265616296, issued on Dec 27, 2007. Check the license (Washington MD60070574, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Phillip Oliver Coffin
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- MD60070574 WA
A119921 CA
245672 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 341-0860
- Enumerated
- Dec 27, 2007
- Record last updated
- Feb 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 8563645 WA
- Medicare enrollment
- Enrolled (PECOS I20120508000194); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 793 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deborah Abrams, M.D.Hematology & Oncology Physician1902974835
- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Phillip Oliver Coffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60070574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average hospitalist physician in 2024
588 Medicare Part D claims for 15 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium36 claims
- Mirtazapine36 claims
- Biktarvy33 claims
- Bupropion Xl30 claims
- Stribild23 claims
- Lisinopril18 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
- Sutter Bay Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phillip Oliver Coffin among 793 hospitalist physician records in Washington
Phillip Oliver Coffin, M.D. is one of 793 hospitalist physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 71% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2006 · median 2011 among the 649 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Washington
There are 793 hospitalist physician records in Washington.
All 793 in Washington → Every provider in Seattle → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Barry Aaronson, MDSeattle, WA 981011952418345
- Roger Bush, MDSeattle, WA 981011760411623
- Alvin Calderon, MDSeattle, WA 981011609985753
- Daniel Coates, MDSeattle, WA 981011730100074
- Richard Davis, MDSeattle, WA 981011720018781
- Brandee Grooms, MDSeattle, WA 981011669481925
- Thomas Gunby, MDSeattle, WA 981011144243668
- Daniel Hanson, MDSeattle, WA 981011841300167
Common questions
What is Phillip Oliver Coffin, M.D.'s NPI number?
Phillip Oliver Coffin, M.D.'s National Provider Identifier (NPI) is 1265616296, issued on Dec 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Oliver Coffin, M.D. located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 341-0860. Providers update this record themselves, so call before visiting.
How can I verify Phillip Oliver Coffin, M.D.'s license?
NPPES lists Washington license number MD60070574, 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 Phillip Oliver Coffin, M.D. prescribe under Medicare Part D?
In 2024, Phillip Oliver Coffin, M.D. had 588 Medicare Part D claims for 15 beneficiaries; the average among hospitalist physician prescribers was 521. 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.