Jason Davis Simmons, MD, PHD
Internal Medicine Physician · Seattle, WA
Jason Davis Simmons, MD, PHD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1588939979, issued on Mar 19, 2012. Check the license (Washington ML 60285824, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jason Davis Simmons
- Credential
- MD, PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ML 60285824 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4245 Roosevelt Way NE, Seattle, WA 98105
- Phone
- (206) 598-5323
- Enumerated
- Mar 19, 2012
- Record last updated
- Mar 31, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180716003085); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 4245 Roosevelt Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Davis Simmons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML 60285824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
601 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Biktarvy69 claims
- Atorvastatin Calcium37 claims
- Azithromycin23 claims
- Ethambutol Hcl18 claims
- Gabapentin15 claims
- Omeprazole14 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Davis Simmons among 3,079 internal medicine physician records in Washington
Jason Davis Simmons, MD, PHD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2006 among the 1,852 with a school on file
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Anne EackerSeattle, WA 981051720164577
- Jaime Friedman, M.D.Seattle, WA 981051619971512
- Vara Kraft, M.D.Seattle, WA 981051174509293
- Frank Mitchell, MDSeattle, WA 981051891804977
- Joan Olson, MDSeattle, WA 981051629070123
Common questions
What is Jason Davis Simmons, MD, PHD's NPI number?
Jason Davis Simmons, MD, PHD's National Provider Identifier (NPI) is 1588939979, issued on Mar 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jason Davis Simmons, MD, PHD located?
The NPPES record lists a practice address at 4245 Roosevelt Way NE, Seattle, WA, 98105. Phone: (206) 598-5323. Providers update this record themselves, so call before visiting.
How can I verify Jason Davis Simmons, MD, PHD's license?
NPPES lists Washington license number ML 60285824, 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 Jason Davis Simmons, MD, PHD prescribe under Medicare Part D?
In 2024, Jason Davis Simmons, MD, PHD had 601 Medicare Part D claims for 47 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jason Davis Simmons, MD, PHD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.