Joshua Hernandez Buck, MD
Neurology Physician · Seattle, WA
Joshua Hernandez Buck, MD is a neurology physician with a practice address in Seattle, Washington, and NPI 1548581945, issued on Jun 20, 2010. Check the license (Washington MD60659933, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Joshua Hernandez Buck
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD60659933 WA
Self-reported in NPPES; status is on the state search - Practice location
- 550 17TH Ave Ste 400, Seattle, WA 98122
- Phone
- (206) 320-3494
- Enumerated
- Jun 20, 2010
- Record last updated
- Jun 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (206) 386-2845
- Medicare enrollment
- Enrolled (PECOS I20160818001330); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 489 in Washington → Look up another NPI →
Also registered at 550 17TH Ave Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Reif, MDNeurology Physician1730188756
Verify Joshua Hernandez Buck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60659933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average neurology physician in 2024
1,212 Medicare Part D claims for 188 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Gabapentin167 claims
- Carbidopa-Levodopa125 claims
- Sertraline Hcl88 claims
- Topiramate82 claims
- Propranolol Hcl Er69 claims
- Sumatriptan Succinate59 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Joshua Hernandez Buck among 489 neurology physician records in Washington
Joshua Hernandez Buck, MD is one of 489 neurology physician records with a practice address in Washington. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2010 · median 2007 among the 351 with a school on file
- Record last updated2018 · 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 2084N0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Washington
There are 489 neurology physician records in Washington.
All 489 in Washington → Every provider in Seattle → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Lisa Caylor, MDSeattle, WA 981221124108048
- Michael Doherty, MDSeattle, WA 981221033299953
- Michael Elliott, MDSeattle, WA 981221518986199
- Eric Gierke, MDSeattle, WA 981221265537583
- Steven Hamilton, MDSeattle, WA 981221669409694
- Lily Henson, MDSeattle, WA 981221639252661
- Pravin Khemani, MDSeattle, WA 981221457360836
- Dongmei Liu, MDSeattle, WA 981221679678791
Common questions
What is Joshua Hernandez Buck, MD's NPI number?
Joshua Hernandez Buck, MD's National Provider Identifier (NPI) is 1548581945, issued on Jun 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Hernandez Buck, MD located?
The NPPES record lists a practice address at 550 17TH Ave Ste 400, Seattle, WA, 98122. Phone: (206) 320-3494. Providers update this record themselves, so call before visiting.
How can I verify Joshua Hernandez Buck, MD's license?
NPPES lists Washington license number MD60659933, 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 Joshua Hernandez Buck, MD prescribe under Medicare Part D?
In 2024, Joshua Hernandez Buck, MD had 1,212 Medicare Part D claims for 188 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Joshua Hernandez Buck, MD's MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. 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.