James L. Biesecker, M.D.
Anatomic Pathology & Clinical Pathology Physician · Mount Vernon, WA
James L. Biesecker, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Mount Vernon, Washington, and NPI 1548346042, issued on Oct 27, 2006. Check the license (Washington MD00017320, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- James L. Biesecker
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- MD00017320 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1310 E Division St, Mount Vernon, WA 98274
- Phone
- (360) 416-2254
- Enumerated
- Oct 27, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 416-2287
- Medicaid ID
- 8106460 WA
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 330 in Washington → Look up another NPI →
Verify James L. Biesecker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00017320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average anatomic pathology & clinical pathology physician in 2024
34 Medicare Part D claims, against an average of 192 among the 401 providers of this specialty who prescribed in Part D.
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.
James L. Biesecker among 330 anatomic pathology & clinical pathology physician records in Washington
James L. Biesecker, M.D. is one of 330 anatomic pathology & clinical pathology physician records with a practice address in Washington. 58% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 52% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Washington
There are 330 anatomic pathology & clinical pathology physician records in Washington.
All 330 in Washington → Every provider in Mount Vernon → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Alexander Castiello, MDMount Vernon, WA 982741780628313
- Kiran Chaturvedi, M.D.Mount Vernon, WA 982741245443480
- David Bray, MDBremerton, WA 983101528123148
- Stephan Jun, M.D.Bremerton, WA 983121902876980
- John Bays, MDBellingham, WA 982251457369886
- Scott Chatterley, M.D.Bellingham, WA 982251063598662
- Christopher Danenhower, M.D.Bellingham, WA 982251295799526
- John Hoyt, M.D.Bellingham, WA 982251285698423
Common questions
What is James L. Biesecker, M.D.'s NPI number?
James L. Biesecker, M.D.'s National Provider Identifier (NPI) is 1548346042, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James L. Biesecker, M.D. located?
The NPPES record lists a practice address at 1310 E Division St, Mount Vernon, WA, 98274. Phone: (360) 416-2254. Providers update this record themselves, so call before visiting.
How can I verify James L. Biesecker, M.D.'s license?
NPPES lists Washington license number MD00017320, 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 James L. Biesecker, M.D. prescribe under Medicare Part D?
In 2024, James L. Biesecker, M.D. had 34 Medicare Part D claims; the average among anatomic pathology & clinical pathology physician prescribers was 192. 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.