Charles Samuel Blackadar, M.D.
Family Medicine Physician · Bremerton, WA
Charles Samuel Blackadar, M.D. is a family medicine physician with a practice address in Bremerton, Washington, and NPI 1821187899, issued on Oct 11, 2006. Check the license (Washington 37686, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Charles Samuel Blackadar
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37686 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boone RD, Bremerton, WA 98312
- Phone
- (360) 475-4426
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 475-4344
- Medicare enrollment
- Enrolled (PECOS I20150506000340); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 1 Boone RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles Samuel Blackadar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 37686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
481 Medicare Part D claims for 126 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium24 claims
- Metoprolol Succinate19 claims
- Amlodipine Besylate17 claims
- Diclofenac Sodium17 claims
- Lisinopril17 claims
- Nitrofurantoin Mono-Macro14 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 2 group practices
- Alaska Medical Clinics LLCWasilla, AK
- Alaska Urgent Care LLCAnchorage, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Samuel Blackadar among 5,534 family medicine physician records in Washington
Charles Samuel Blackadar, M.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1997 · median 2009 among the 3,294 with a school on file
- Record last updated2007 · 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).
70 family medicine physician records list a practice address in Bremerton
They are 70 of the 3,142 NPPES records with a practice address in Bremerton, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Bremerton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Dommermuth, M.D.Bremerton, WA 983121194793000
- William Ferman, MDBremerton, WA 983121457344053
- Erica Grogan, D.O.Bremerton, WA 983121306816442
- Andrew Hamilton, M.D.Bremerton, WA 983121639141567
- Noa Hammer, MDBremerton, WA 983121194797126
- Karen Hover, M.D.Bremerton, WA 983121053317404
- Robert Hunter, DOBremerton, WA 983121992795033
- Frank Johnson, M.D.Bremerton, WA 983121396705166
Common questions
What is Charles Samuel Blackadar, M.D.'s NPI number?
Charles Samuel Blackadar, M.D.'s National Provider Identifier (NPI) is 1821187899, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Samuel Blackadar, M.D. located?
The NPPES record lists a practice address at 1 Boone RD, Bremerton, WA, 98312. Phone: (360) 475-4426. Providers update this record themselves, so call before visiting.
How can I verify Charles Samuel Blackadar, M.D.'s license?
NPPES lists Washington license number 37686, 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 Charles Samuel Blackadar, M.D. prescribe under Medicare Part D?
In 2024, Charles Samuel Blackadar, M.D. had 481 Medicare Part D claims for 126 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.